├── ansible ├── wireguard │ ├── README.md │ ├── inventory.yaml │ └── playbook.yaml ├── k8s │ ├── k8s.yaml │ ├── onecloud │ │ ├── templates │ │ │ ├── onecloud-cluster.yaml.j2 │ │ │ └── onecloud-operator.yaml.j2 │ │ ├── mariadb.yaml │ │ ├── inventory.yaml │ │ └── onecloud.yaml │ ├── nokmem.yaml │ ├── README.md │ ├── inventory.yaml │ ├── k8s-pkgs.yaml │ └── docker.yaml ├── ss │ ├── inventory.yaml │ └── ss.yaml ├── distrepo │ ├── nodesource.yaml │ ├── grafana.yaml │ └── centos.yaml └── openwrt │ └── repos.yaml ├── golang ├── tcpconn │ ├── .gitignore │ ├── go.mod │ ├── go.sum │ ├── rlimit_linux.go │ ├── rlimit_darwin.go │ ├── stats.go │ └── Makefile ├── tut │ ├── README.md │ ├── uuid_test.go │ ├── unsafe_test.go │ ├── strings_test.go │ ├── encoding_json_test.go │ ├── runtime_test.go │ ├── net_test.go │ ├── gorm_test.go │ ├── syscall_test.go │ ├── basic_test.go │ ├── time_test.go │ └── io_test.go ├── gopkg-nginx.conf ├── pipe_recorder │ ├── pipe_recorder_test.go │ └── pipe_recorder.go ├── tcp-simultaneous-open.go └── ssh-pubkey-fp.go ├── README.md ├── openssl └── simple-pki │ ├── .gitignore │ ├── README.md │ ├── etc │ ├── email.conf │ └── server.conf │ └── a.sh ├── openwrt ├── defconfig │ ├── armvirt-mini │ ├── pexfat │ ├── hc6361-mini │ ├── x86_64-mini │ ├── cb2-mini │ ├── pqemu │ ├── debug │ ├── pshadowsocks-libev │ ├── povs │ ├── mos-mini │ ├── extra-configs │ ├── zodiac-gx │ ├── r33 │ ├── wr841v5-yy │ ├── vocore │ ├── hc6361-bjb │ └── malta-mini-be ├── docker │ ├── docker-build-env │ ├── README.md │ └── Dockerfile ├── remote-gdb.md ├── upup │ ├── files │ │ ├── upup.init │ │ ├── upup.config │ │ └── upup │ └── Makefile ├── dns-ipset │ ├── README.md │ ├── do-dns-ipset.sh │ └── dns-ipset.txt ├── a.sh ├── hack │ └── build-tl-wr841n-v5-lede │ │ ├── zerotier-makefile.patch │ │ └── build.sh └── mk │ └── overlay-pkg-hello.mk ├── stap ├── hello.stp ├── utrace.stp └── uflame.stp ├── docker ├── mypan │ ├── docker-build-env │ ├── root │ │ └── run.sh │ └── Dockerfile ├── onedriver │ ├── docker-build-env │ ├── README.md │ └── Dockerfile ├── cuda-bench-tensorflow │ ├── root │ │ └── run.sh │ ├── docker-build-env │ ├── README.md │ └── Dockerfile ├── baidunetdisk │ ├── root │ │ ├── startapp.sh │ │ ├── etc │ │ │ └── openbox │ │ │ │ └── main-window-selection.xml │ │ └── baidunetdisk.png │ ├── README.md │ ├── docker-build-env │ └── Dockerfile ├── rarlinux │ ├── docker-build-env │ └── Dockerfile ├── nextcloud │ ├── docker-build-env │ ├── README.md │ ├── supervisord.conf │ └── Dockerfile ├── jupyter │ ├── docker-build-env │ ├── README.md │ └── Dockerfile ├── binwalk │ ├── docker-build-env │ └── README.md ├── gocryptfs │ ├── docker-build-env │ ├── a.sh │ └── Dockerfile └── xfstests │ └── Dockerfile ├── info ├── meizu-m351 │ ├── META-INF-content.md │ ├── updater-binary.md │ ├── factory-test-mode.md │ ├── updater-binary-and-partitions.md │ ├── kernel-build-variant.md │ ├── system.new.dat │ ├── glossaries-and-staging.md │ └── boot-and-signature.md ├── skyworth-cm4100-puma5-cable-modem │ ├── 00-serial-pins.txt │ └── 00-summary.txt └── qihoo-c301 │ └── qihoo-c301-firmware-extract.sh ├── nodejs └── chromeless │ ├── README.md │ ├── package.json │ └── index.js ├── charcodecs ├── gbk │ ├── go.mod │ ├── go.sum │ ├── README.md │ └── gbk.go ├── README.md └── c3c2.py ├── qemu ├── distro-on-qemu │ └── .gitignore ├── osx-on-qemu │ ├── anti-pirate-song.txt │ └── smc_read.c └── qemu-on-osx │ ├── README.md │ └── bootpd.plist ├── shell ├── pulse-probe │ ├── README.md │ ├── scr-trace.sh │ ├── scr-ping.sh │ ├── ping.gnuplot │ ├── m.sh │ └── env.sh ├── make-vim-ref-man.sh ├── multif │ └── multif.spec ├── mail-maintainers.sh ├── vpnguru │ └── vpnguru.drv ├── tunnels │ ├── tunnel-gre.sh │ ├── tunnel-6to4.sh │ └── tunnel-gretap.sh ├── iptables │ └── mir.sh ├── ifbps.sh ├── install_grpc.sh ├── circleci.sh ├── spas.sh ├── git-repo.sh ├── build-kernels.sh ├── httpfilter.md ├── lookup-code.sh ├── bondtst.sh ├── labnet.sh └── zabbix.sh ├── python ├── imp-load_source.py ├── simplehttpserver-no-ptr-query.sh ├── loan │ └── loan.gnuplot ├── sphinx │ ├── Makefile │ └── Dockerfile-latexpdf-extra ├── echoserver │ ├── Makefile │ └── README.md ├── timeit-deque-list.py ├── cdist │ ├── gdns │ ├── ss │ ├── params │ ├── wg │ ├── strongswan │ └── init ├── stackframes.py ├── example-traceback.py ├── datetime-epoch.py ├── beanstalk.py ├── iputils.py ├── dis-atomic.py ├── ctypes_inotify_event.py ├── reverse-changelog.py ├── datetime-timezone.py ├── mod-datetime.py └── apnic-parse.py ├── anki ├── Makefile ├── README.md ├── q.py ├── lookup.c └── p.py ├── js ├── ctrip.com.js ├── baidu.com.js └── douban.com.js ├── android ├── install-adb.sh └── install-apktool.sh ├── c ├── Makefile ├── find_ip_in_range.c ├── pthreads_do.c ├── sockstream.c ├── tuntap.c └── mdio.c ├── notes ├── mac-input-umlaut.md └── devices-in-the-field.md ├── .github └── workflows │ ├── docker-build-and-push.yaml │ └── docker-build-and-push.sh ├── collectd └── wghop.sh └── libguestfs └── script.sh /ansible/wireguard/README.md: -------------------------------------------------------------------------------- 1 | # TODO 2 | -------------------------------------------------------------------------------- /golang/tcpconn/.gitignore: -------------------------------------------------------------------------------- 1 | build/ 2 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Repo to replace gist.github.com 2 | -------------------------------------------------------------------------------- /openssl/simple-pki/.gitignore: -------------------------------------------------------------------------------- 1 | ca/ 2 | certs/ 3 | crl/ 4 | -------------------------------------------------------------------------------- /openwrt/defconfig/armvirt-mini: -------------------------------------------------------------------------------- 1 | CONFIG_TARGET_armvirt=y 2 | -------------------------------------------------------------------------------- /stap/hello.stp: -------------------------------------------------------------------------------- 1 | probe begin 2 | { 3 | print("hello\n") 4 | exit() 5 | } 6 | -------------------------------------------------------------------------------- /docker/mypan/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:mypan 3 | ) 4 | -------------------------------------------------------------------------------- /openwrt/defconfig/pexfat: -------------------------------------------------------------------------------- 1 | CONFIG_BUILD_PATENTED=y 2 | CONFIG_PACKAGE_kmod-fs-exfat=y 3 | -------------------------------------------------------------------------------- /docker/onedriver/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:onedriver 3 | ) 4 | -------------------------------------------------------------------------------- /info/meizu-m351/META-INF-content.md: -------------------------------------------------------------------------------- 1 | `machine_match imei.dat` to see if "machine not match" -------------------------------------------------------------------------------- /nodejs/chromeless/README.md: -------------------------------------------------------------------------------- 1 | # Run 2 | 3 | npm install 4 | npm run prep 5 | npm start 6 | -------------------------------------------------------------------------------- /docker/cuda-bench-tensorflow/root/run.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | python tf_cnn_benchmarks.py "$@" 4 | -------------------------------------------------------------------------------- /docker/baidunetdisk/root/startapp.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | exec /opt/baidunetdisk/baidunetdisk --no-sandbox 4 | -------------------------------------------------------------------------------- /docker/baidunetdisk/root/etc/openbox/main-window-selection.xml: -------------------------------------------------------------------------------- 1 | normal 2 | unknown-window-names 3 | -------------------------------------------------------------------------------- /docker/rarlinux/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:rarlinux-x64-624 3 | yousong/test:rarlinux 4 | ) 5 | -------------------------------------------------------------------------------- /docker/baidunetdisk/root/baidunetdisk.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yousong/gists/HEAD/docker/baidunetdisk/root/baidunetdisk.png -------------------------------------------------------------------------------- /docker/nextcloud/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:nextcloud-31-full 3 | yousong/test:nextcloud-full 4 | ) 5 | -------------------------------------------------------------------------------- /docker/jupyter/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:jupyter-cuda12-2024-11-21 3 | yousong/test:jupyter-cuda12 4 | ) 5 | -------------------------------------------------------------------------------- /charcodecs/gbk/go.mod: -------------------------------------------------------------------------------- 1 | module gbk 2 | 3 | go 1.21.2 4 | 5 | require ( 6 | github.com/pkg/errors v0.9.1 7 | golang.org/x/text v0.14.0 8 | ) 9 | -------------------------------------------------------------------------------- /openwrt/defconfig/hc6361-mini: -------------------------------------------------------------------------------- 1 | CONFIG_TARGET_ath79=y 2 | CONFIG_TARGET_ath79_generic=y 3 | CONFIG_TARGET_ath79_generic_DEVICE_hiwifi_hc6361=y 4 | -------------------------------------------------------------------------------- /docker/binwalk/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:binwalk-2.3.4 3 | yousong/test:binwalk-2.3 4 | yousong/test:binwalk 5 | ) 6 | -------------------------------------------------------------------------------- /docker/binwalk/README.md: -------------------------------------------------------------------------------- 1 | The Dockerfile is a modified version in the [binwalk github repo](https://github.com/ReFirmLabs/binwalk/blob/v2.3.4/Dockerfile) 2 | -------------------------------------------------------------------------------- /docker/cuda-bench-tensorflow/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:cuda-bench-tensorflow-2.15.0 3 | yousong/test:cuda-bench-tensorflow 4 | ) 5 | -------------------------------------------------------------------------------- /openwrt/defconfig/x86_64-mini: -------------------------------------------------------------------------------- 1 | CONFIG_TARGET_x86=y 2 | CONFIG_TARGET_x86_64=y 3 | 4 | CONFIG_TARGET_KERNEL_PARTSIZE=32 5 | CONFIG_TARGET_ROOTFS_PARTSIZE=128 6 | -------------------------------------------------------------------------------- /qemu/distro-on-qemu/.gitignore: -------------------------------------------------------------------------------- 1 | *.qcow2 2 | *.iso 3 | *.img 4 | *.xz 5 | *.zip 6 | 7 | qemu_ifup 8 | qemu_ifdown 9 | id_rsa* 10 | qemu-firmware 11 | 12 | config 13 | -------------------------------------------------------------------------------- /shell/pulse-probe/README.md: -------------------------------------------------------------------------------- 1 | Scripts for probing and analysing bumps of network delays 2 | 3 | See `env.sh` for details about 4 | 5 | - how it works 6 | - how to use it 7 | -------------------------------------------------------------------------------- /openwrt/defconfig/cb2-mini: -------------------------------------------------------------------------------- 1 | CONFIG_TARGET_sunxi=y 2 | CONFIG_TARGET_BOARD="sunxi" 3 | CONFIG_TARGET_sunxi_DEVICE_sun7i-a20-cubieboard2=y 4 | 5 | CONFIG_TARGET_ROOTFS_PARTSIZE=64 6 | -------------------------------------------------------------------------------- /docker/baidunetdisk/README.md: -------------------------------------------------------------------------------- 1 | Inspired by https://github.com/gshang2017/docker/tree/master/baidunetdisk 2 | 3 | ports 4 | 5 | TCP/5800 for web browser 6 | TCP/5900 for vnc client 7 | -------------------------------------------------------------------------------- /docker/gocryptfs/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:gocryptfs-2.4.0 3 | yousong/test:gocryptfs-2.4 4 | yousong/test:gocryptfs-2 5 | yousong/test:gocryptfs 6 | ) 7 | -------------------------------------------------------------------------------- /openssl/simple-pki/README.md: -------------------------------------------------------------------------------- 1 | Imported with 2 | 3 | git clone https://bitbucket.org/stefanholek/pki-example-1 4 | 5 | See https://pki-tutorial.readthedocs.io/en/latest/simple/index.html 6 | -------------------------------------------------------------------------------- /openwrt/docker/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:openwrt-build-$(date +%Y%m%d%H%M) 3 | yousong/test:openwrt-build-$(date +%Y%m%d) 4 | yousong/test:openwrt-build 5 | ) 6 | -------------------------------------------------------------------------------- /golang/tcpconn/go.mod: -------------------------------------------------------------------------------- 1 | module tcpconn 2 | 3 | go 1.14 4 | 5 | require ( 6 | github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b 7 | golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae 8 | ) 9 | -------------------------------------------------------------------------------- /golang/tut/README.md: -------------------------------------------------------------------------------- 1 | 2 | # refs 3 | 4 | - 50 Shades of Go: Traps, Gotchas, and Common Mistakes for New Golang Devs, http://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/index.html 5 | -------------------------------------------------------------------------------- /docker/baidunetdisk/docker-build-env: -------------------------------------------------------------------------------- 1 | DOCKER_IMAGE_TAGS=( 2 | yousong/test:baidunetdisk-4.17.7 3 | yousong/test:baidunetdisk-4.17 4 | yousong/test:baidunetdisk-4 5 | yousong/test:baidunetdisk 6 | ) 7 | -------------------------------------------------------------------------------- /docker/mypan/root/run.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | if test -f "$RUN_CRONTAB"; then 4 | crontab "$RUN_CRONTAB" 5 | exec /sbin/tini -- /usr/sbin/crond -f -L /dev/stderr "$@" 6 | else 7 | exec mypan "$@" 8 | fi 9 | -------------------------------------------------------------------------------- /python/imp-load_source.py: -------------------------------------------------------------------------------- 1 | #!python -B 2 | # 3 | # -B Don't write .py[co] files on import. See also PYTHONDONTWRITEBYTECODE. 4 | # 5 | import imp 6 | conf = imp.load_source('modname', '/etc/file.conf') 7 | print conf.enable_xxx 8 | -------------------------------------------------------------------------------- /docker/jupyter/README.md: -------------------------------------------------------------------------------- 1 | Custom made jupyter container image based on work from Jupyter Docker Stacks 2 | 3 | - Selecting an Jupyter image, https://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-pytorch-notebook 4 | -------------------------------------------------------------------------------- /docker/nextcloud/README.md: -------------------------------------------------------------------------------- 1 | Originally copied from https://github.com/nextcloud/docker 2 | 3 | .examples/dockerfiles/full/apache/Dockerfile 4 | 5 | Update instructions: https://github.com/nextcloud/docker?tab=readme-ov-file#update-to-a-newer-version 6 | -------------------------------------------------------------------------------- /openwrt/remote-gdb.md: -------------------------------------------------------------------------------- 1 | On target board 2 | 3 | gdbserver --attach 192.168.1.1:9000 $(pgrep xl2tpd) 4 | 5 | On OpenWrt/LEDE dev host 6 | 7 | ./scripts/remote-gdb 192.168.1.1:9000 ./staging_dir/target-mipsel_mips32_musl-1.1.10/root-malta/usr/sbin/xl2tpd 8 | -------------------------------------------------------------------------------- /stap/utrace.stp: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * Usage: 4 | * 5 | * stap utrace.stp -d /usr/sbin/ovs-vswitchd --ldd /lib64/libofproto-2.10.so.0 do_xlate_actions 6 | * 7 | */ 8 | 9 | probe process(@1).function(@2) { 10 | print_ubacktrace() 11 | exit() 12 | } 13 | -------------------------------------------------------------------------------- /anki/Makefile: -------------------------------------------------------------------------------- 1 | all: 2 | @echo read the Makefile! 3 | 4 | lookup.dylib: lookup.c 5 | clang -framework CoreServices -shared -o $@ $? 6 | 7 | anki: 8 | # https://github.com/dae/anki 9 | PYTHONPATH=$(HOME)/Downloads/经济学人词频/p/anki-master \ 10 | ./q.py 11 | -------------------------------------------------------------------------------- /openwrt/defconfig/pqemu: -------------------------------------------------------------------------------- 1 | CONFIG_PACKAGE_qemu-arm-softmmu=y 2 | CONFIG_PACKAGE_qemu-x86_64-softmmu=y 3 | CONFIG_PACKAGE_qemu-bridge-helper=y 4 | CONFIG_PACKAGE_qemu-ga=y 5 | CONFIG_PACKAGE_qemu-img=y 6 | CONFIG_PACKAGE_qemu-nbd=y 7 | CONFIG_PACKAGE_virtio-console-helper=y 8 | -------------------------------------------------------------------------------- /docker/cuda-bench-tensorflow/README.md: -------------------------------------------------------------------------------- 1 | Example 2 | 3 | docker run --gpus=all --rm -it yousong/test:cuda-bench-tensorflow --model resnet50 --num_gpus=1 4 | 5 | # Credits 6 | 7 | This is based on work by [cemizm/tf-benchmark-gpu](https://github.com/cemizm/tf-benchmark-gpu) 8 | -------------------------------------------------------------------------------- /openwrt/docker/README.md: -------------------------------------------------------------------------------- 1 | The Dockerfile was initially taken and modified from [mwarning/docker-openwrt-build-env](https://github.com/mwarning/docker-openwrt-build-env/blob/8ef7e34/Dockerfile). 2 | 3 | The docker image built is for building OpenWrt. Check `../a.sh` for an example. 4 | -------------------------------------------------------------------------------- /shell/pulse-probe/scr-trace.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | if [ "$#" -ne 1 ]; then 4 | echo "Usage: $0 " >&2 5 | exit 1 6 | fi 7 | 8 | ip="$1" 9 | while true; do 10 | echo -n '## ' 11 | date +%s 12 | tracepath -l 64 -n "$ip" 13 | sleep 1 14 | done >>"tracepath-$ip.txt" 15 | -------------------------------------------------------------------------------- /js/ctrip.com.js: -------------------------------------------------------------------------------- 1 | // 删除“已取消”火车订单 2 | var els = $('a.hideOrder') 3 | for (var i = 0; i < els.length; i++) { 4 | var el = els[i]; 5 | var oid = $(el).attr('rid'); 6 | console.log(oid); 7 | ajax.post('http://my.ctrip.com/Home/Ajax/HideOrderHandler.ashx', {'type':'Train', 'orderID':oid}) 8 | } 9 | -------------------------------------------------------------------------------- /js/baidu.com.js: -------------------------------------------------------------------------------- 1 | // 清理关注的贴吧 2 | // 3 | $('div.often_forum a[data-fname]').each(function (i,e) { 4 | var n = $(e).attr('data-fname'); 5 | console.log(n); 6 | $.post('http://tieba.baidu.com/i/submit/del_concernforum', {'tbs':'xxx', 'fname':n,'is_like':1,'ie':'utf-8','forum_type':'undefined'}) 7 | }) 8 | -------------------------------------------------------------------------------- /python/simplehttpserver-no-ptr-query.sh: -------------------------------------------------------------------------------- 1 | python -c "import socket as s; s.getfqdn=lambda x:x; import sys; sys.argv.append('18080'); import SimpleHTTPServer as u; u.test()" 2 | python -c "import socket as s; s.getfqdn=lambda x:x; import sys; sys.argv.append('13306'); import SimpleHTTPServer as u; u.test()" 3 | -------------------------------------------------------------------------------- /openwrt/upup/files/upup.init: -------------------------------------------------------------------------------- 1 | #!/bin/sh /etc/rc.common 2 | # Copyright (C) 2006-2015 OpenWrt.org 3 | 4 | START=99 5 | USE_PROCD=1 6 | 7 | BIN=/usr/sbin/upup 8 | 9 | start_service() { 10 | procd_open_instance 11 | procd_set_param command $BIN 12 | procd_set_param respawn 13 | procd_close_instance 14 | } 15 | -------------------------------------------------------------------------------- /python/loan/loan.gnuplot: -------------------------------------------------------------------------------- 1 | set ytics nomirror 2 | set y2tics 3 | 4 | plot \ 5 | "loan.60" using 1 with lines title "60 each", \ 6 | "loan.120" using 1 with lines title "120 each", \ 7 | "loan.60" using 2 with lines title "60 total" axes x1y2, \ 8 | "loan.120" using 2 with lines title "120 total" axes x1y2, \ 9 | -------------------------------------------------------------------------------- /shell/pulse-probe/scr-ping.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | if [ "$#" -ne 1 ]; then 4 | echo "Usage: $0 " >&2 5 | exit 1 6 | fi 7 | 8 | ip="$1" 9 | while true; do 10 | date +%s | tr '\n' ' ' 11 | # TODO: add -W for response deadline 12 | ping -c 1 "$ip" | grep 'bytes from' 13 | sleep 1 14 | done >>"ping-$ip.txt" 15 | -------------------------------------------------------------------------------- /info/skyworth-cm4100-puma5-cable-modem/00-serial-pins.txt: -------------------------------------------------------------------------------- 1 | With the board placed face up and those LEDs near you, the serial pins are at the bottom-right corner, labeled with "RS232". 2 | 3 | LED(red) LED(green) LED(green) LED(green) LED(green) [ o o o o ] 4 | 5 | Pin functions from left to right are: VCC, RX, TX, GND 6 | -------------------------------------------------------------------------------- /charcodecs/gbk/go.sum: -------------------------------------------------------------------------------- 1 | github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= 2 | github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= 3 | golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= 4 | golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= 5 | -------------------------------------------------------------------------------- /info/skyworth-cm4100-puma5-cable-modem/00-summary.txt: -------------------------------------------------------------------------------- 1 | CPU: ARM1176, rev 4 2 | Flash: 8MB 3 | RAM: 64MB 4 | Power: 12V, 1A 5 | 6 | 1 RJ45 connector 7 | 1 coaxical cable connector 8 | 5 LEDs 9 | 4 UART serial pins 10 | 11 | LAN address 192.168.100.1 12 | Listened on TCP port 2323 for telnet connection 13 | Root password hash: TQwXqjVn9XBtU -------------------------------------------------------------------------------- /golang/tut/uuid_test.go: -------------------------------------------------------------------------------- 1 | package tut 2 | 3 | import "testing" 4 | import ( 5 | "github.com/satori/go.uuid" 6 | ) 7 | 8 | func TestUUID(t *testing.T) { 9 | var id uuid.UUID 10 | 11 | // current time and hardware address 12 | id, _ = uuid.NewV1() 13 | t.Logf("%s", id) 14 | 15 | // randomly generated uuid 16 | id, _ = uuid.NewV4() 17 | t.Logf("%s", id) 18 | } 19 | -------------------------------------------------------------------------------- /openwrt/defconfig/debug: -------------------------------------------------------------------------------- 1 | CONFIG_DEVEL=y 2 | CONFIG_TOOLCHAINOPTS=y 3 | CONFIG_LIBC="glibc" 4 | CONFIG_LIBC_USE_GLIBC=y 5 | # CONFIG_LIBC_USE_MUSL is not set 6 | 7 | CONFIG_NO_STRIP=y 8 | CONFIG_PACKAGE_valgrind=y 9 | CONFIG_PACKAGE_strace=y 10 | CONFIG_PACKAGE_file=y 11 | CONFIG_PACKAGE_gdbserver=y 12 | CONFIG_PACKAGE_gdb=y 13 | 14 | CONFIG_PACKAGE_kmod-mac80211-hwsim=y 15 | -------------------------------------------------------------------------------- /openwrt/defconfig/pshadowsocks-libev: -------------------------------------------------------------------------------- 1 | CONFIG_PACKAGE_luci=y 2 | CONFIG_PACKAGE_luci-app-shadowsocks-libev=y 3 | CONFIG_PACKAGE_shadowsocks-libev-config=y 4 | CONFIG_PACKAGE_shadowsocks-libev-ss-local=y 5 | CONFIG_PACKAGE_shadowsocks-libev-ss-redir=y 6 | CONFIG_PACKAGE_shadowsocks-libev-ss-rules=y 7 | CONFIG_PACKAGE_shadowsocks-libev-ss-server=y 8 | CONFIG_PACKAGE_shadowsocks-libev-ss-tunnel=y 9 | -------------------------------------------------------------------------------- /android/install-adb.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | BASEURL="https://github.com/corbindavenport/nexus-tools/raw/master/bin" 4 | PREFIX="$HOME/.usr" 5 | 6 | BINDIR="$PREFIX/bin" 7 | 8 | install_bin() { 9 | local f 10 | 11 | mkdir -p "$PREFIX/bin" 12 | for f in adb fastboot; do 13 | wget -O "$f" -c "$BASEURL/mac-$f" 14 | install -m 0755 "$f" "$BINDIR/$f" 15 | done 16 | } 17 | 18 | "$@" 19 | -------------------------------------------------------------------------------- /golang/tut/unsafe_test.go: -------------------------------------------------------------------------------- 1 | package tut 2 | 3 | import "testing" 4 | import ( 5 | "sync/atomic" 6 | "unsafe" 7 | ) 8 | 9 | func TestPointerAtomic(t *testing.T) { 10 | type S struct { 11 | wow string 12 | } 13 | var u = &S{wow: "hello"} 14 | 15 | var p unsafe.Pointer 16 | 17 | t.Logf("%s", (*S)(p)) 18 | atomic.StorePointer(&p, unsafe.Pointer(u)) 19 | t.Logf("%s", (*S)(p)) 20 | } 21 | -------------------------------------------------------------------------------- /ansible/k8s/k8s.yaml: -------------------------------------------------------------------------------- 1 | - hosts: all 2 | tasks: 3 | - modprobe: 4 | name: br_netfilter 5 | state: present 6 | - sysctl: 7 | name: net.bridge.bridge-nf-call-iptables 8 | value: "1" 9 | reload: yes 10 | state: present 11 | - include_role: 12 | name: geerlingguy.docker 13 | - include_role: 14 | name: geerlingguy.kubernetes 15 | -------------------------------------------------------------------------------- /c/Makefile: -------------------------------------------------------------------------------- 1 | BINS:=tg pthreads_do mdio 2 | 3 | all: $(BINS) 4 | 5 | # -static requires glibc-static on rhel 6 | tg: tg.c 7 | $(CC) -o $@ -static -Wall $(CFLAGS) $(CPPFLAGS) $^ 8 | 9 | pthreads_do: pthreads_do.c 10 | $(CC) -o $@ -Wall -lpthread $(CFLAGS) $(CPPFLAGS) $^ 11 | 12 | mdio: mdio.c 13 | $(CC) -o $@ -static -Wall $(CFLAGS) $(CPPFLAGS) $^ 14 | 15 | clean: 16 | rm -vf $(BINS) 17 | 18 | .PHONY: clean 19 | -------------------------------------------------------------------------------- /qemu/osx-on-qemu/anti-pirate-song.txt: -------------------------------------------------------------------------------- 1 | # http://osxdaily.com/2010/03/19/anti-piracy-message-in-mac-os-x-kernel-extension/ 2 | # 3 | Your karma check for today: 4 | There once was was a user that whined 5 | his existing OS was so blind, 6 | he’d do better to pirate 7 | an OS that ran great 8 | but found his hardware declined. 9 | Please don’t steal Mac OS! 10 | Really, that’s way uncool. 11 | (C) Apple Computer, Inc. 12 | 13 | -------------------------------------------------------------------------------- /charcodecs/gbk/README.md: -------------------------------------------------------------------------------- 1 | This program tries to convert dir/file names from being gb18030-encoded to 2 | utf8-encoded. 3 | 4 | This is mostly needed after files were transfered from an old Windows host to 5 | Linux systems. 6 | 7 | The program accepts a single argument, either it be a directory or regular 8 | file. It will recursively operate on all entries in that directory (including 9 | the directory itself) in a depth-first way 10 | -------------------------------------------------------------------------------- /android/install-apktool.sh: -------------------------------------------------------------------------------- 1 | PREFIX="$HOME/.usr" 2 | BINDIR="$PREFIX/bin" 3 | 4 | # 1. Install jdk7 5 | # 2. Install ia32-libs 6 | # 3. Install apktool 7 | wget -c https://raw.githubusercontent.com/iBotPeaches/Apktool/master/scripts/linux/apktool 8 | wget -c -O apktool.jar https://github.com/iBotPeaches/Apktool/releases/download/2.1.0/apktool_2.1.0.jar 9 | 10 | for f in apktool apktool.jar; do 11 | install -m 0755 "$f" "$BINDIR/$f" 12 | done -------------------------------------------------------------------------------- /golang/tcpconn/go.sum: -------------------------------------------------------------------------------- 1 | github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58= 2 | github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= 3 | golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae h1:Ih9Yo4hSPImZOpfGuA4bR/ORKTAbhZo2AbWNRCnevdo= 4 | golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= 5 | -------------------------------------------------------------------------------- /docker/gocryptfs/a.sh: -------------------------------------------------------------------------------- 1 | set -x 2 | 3 | i=yousong/test:testing-gocryptfs-2.4.0 4 | 5 | mkdir -p c p 6 | if ! test -s "p/.gocryptfs.reverse.conf"; then 7 | docker run --rm -it -v /dev/fuse:/dev/fuse --privileged -v $PWD/c:/c -v $PWD/p:/p $i -init -reverse /p 8 | fi 9 | docker run --rm -it --device /dev/fuse --cap-add sys_admin -v $PWD/c:/c:shared -v $PWD/p:/p:ro -v $PWD/passfile:/passfile:ro $i -fg -allow_other -nosyslog -reverse -passfile /passfile /p /c 10 | -------------------------------------------------------------------------------- /python/sphinx/Makefile: -------------------------------------------------------------------------------- 1 | dockerBuildName=yousong/sphinx-latexpdf-extra 2 | dockerBuildTag=0.0.2 3 | 4 | docker-image-build: 5 | docker build \ 6 | -t $(dockerBuildName):$(dockerBuildTag) \ 7 | -f Dockerfile-latexpdf-extra \ 8 | . 9 | docker tag $(dockerBuildName):$(dockerBuildTag) $(dockerBuildName):latest 10 | 11 | docker-image-push: 12 | docker image push $(dockerBuildName):$(dockerBuildTag) 13 | docker image push $(dockerBuildName):latest 14 | -------------------------------------------------------------------------------- /docker/mypan/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM golang:1-alpine3.18 AS builder 2 | 3 | RUN apk add git make 4 | RUN set -x \ 5 | && git clone https://github.com/yousong/mypan \ 6 | && cd mypan \ 7 | && make \ 8 | && mv mypan /usr/bin/mypan 9 | 10 | FROM alpine:3.18 11 | 12 | RUN set -ex \ 13 | && apk add --no-cache tini \ 14 | && true 15 | 16 | COPY --from=builder /usr/bin/mypan /usr/bin/mypan 17 | ADD root/ / 18 | VOLUME ["/root/.mypan"] 19 | 20 | ENV RUN_CRONTAB= 21 | ENTRYPOINT ["/run.sh"] 22 | -------------------------------------------------------------------------------- /ansible/ss/inventory.yaml: -------------------------------------------------------------------------------- 1 | all: 2 | hosts: 3 | HOST: 4 | #ansible_host: localhost 5 | #ansible_connection: local 6 | ansible_become: yes 7 | shadowsocks_libev_servers: [sss0] 8 | shadowsocks_libev_server_sss0: 9 | server: 0.0.0.0 10 | server_port: 55535 11 | # hexdump -n 16 -e '"%02x"' /dev/urandom 12 | password: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" 13 | method: chacha20-ietf-poly1305 14 | mode: tcp_and_udp 15 | -------------------------------------------------------------------------------- /charcodecs/README.md: -------------------------------------------------------------------------------- 1 | # c3c2.py 2 | 3 | This little script tries to restore character strings from byte sequence. The input byte sequenced is expected to be product of applying utf8 encoding on each byte of an already gb18030 encoded byte sequence. 4 | 5 | E.g. "驴", "\xc2\xbf" gb18030 encoded, "\xc3\x82\xc2\xbf" when again utf8 encoded 6 | 7 | UPDATE 2024/02/27: It seems we can achieve the same effect with iconv command 8 | 9 | iconv -f utf8 -t latin1 | iconv -f gb18030 -t utf8 10 | -------------------------------------------------------------------------------- /docker/cuda-bench-tensorflow/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM tensorflow/tensorflow:2.15.0-gpu 2 | 3 | ENV \ 4 | TF_FORCE_GPU_ALLOW_GROWTH=true \ 5 | TF_CPP_MIN_LOG_LEVEL=2 \ 6 | PYTHONUNBUFFERED=1 7 | 8 | RUN set -ex \ 9 | && apt-get update \ 10 | && apt-get install -y git \ 11 | && cd / \ 12 | && git clone --single-branch --branch=master --depth=1 https://github.com/tensorflow/benchmarks.git 13 | WORKDIR /benchmarks/scripts/tf_cnn_benchmarks 14 | 15 | COPY root/ / 16 | ENTRYPOINT ["/run.sh"] 17 | -------------------------------------------------------------------------------- /ansible/distrepo/nodesource.yaml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: all 3 | tasks: 4 | - name: epel 5 | copy: 6 | content: | 7 | [nodesource] 8 | name=NodeJS 12.x Packages for Enterprise Linux $releasever - $basearch 9 | baseurl=https://rpm.nodesource.com/pub_12.x/el/$releasever/$basearch 10 | enabled=1 11 | gpgcheck=0 12 | dest: /etc/yum.repos.d/nodesource.repo 13 | owner: root 14 | group: root 15 | mode: "0644" 16 | -------------------------------------------------------------------------------- /ansible/wireguard/inventory.yaml: -------------------------------------------------------------------------------- 1 | --- 2 | all: 3 | hosts: 4 | HOSTNAME: 5 | ansible_user: root 6 | ansible_host: x.x.x.x 7 | wireguard_networks: 8 | - wg0 9 | wireguard_wg0_interface: 10 | address: 10.y.y.1/24 11 | private_key: wg genkey | tee /dev/tty | wg pubkey 12 | listen_port: 1111111 13 | wireguard_wg0_peers: 14 | oneplus5t: 15 | public_key: haha 16 | allowed_ips: 10.y.y.2/32 17 | persistent_keepalive: 10 18 | -------------------------------------------------------------------------------- /docker/gocryptfs/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM golang:1-alpine3.18 AS builder 2 | ARG GOCRYPTFS_VERSION=2.4.0 3 | 4 | RUN apk add bash gcc git libc-dev openssl-dev 5 | RUN set -x \ 6 | && git clone https://github.com/rfjakob/gocryptfs \ 7 | && cd gocryptfs \ 8 | && git checkout v$GOCRYPTFS_VERSION 9 | WORKDIR gocryptfs 10 | RUN ./build.bash 11 | RUN mv "$(go env GOPATH)/bin/gocryptfs" /usr/bin/gocryptfs 12 | 13 | 14 | FROM alpine:3.18 15 | COPY --from=builder /usr/bin/gocryptfs /usr/bin/gocryptfs 16 | ENTRYPOINT ["/usr/bin/gocryptfs"] 17 | -------------------------------------------------------------------------------- /golang/tut/strings_test.go: -------------------------------------------------------------------------------- 1 | package tut 2 | 3 | import "testing" 4 | import ( 5 | "strings" 6 | ) 7 | 8 | func TestSplit(t *testing.T) { 9 | segs := []string{"", "ips", "uuid-ip", "nics", "uuid-nic"} 10 | url := strings.Join(segs, "/") 11 | segs1 := strings.Split(url, "/") 12 | if len(segs) != len(segs1) { 13 | t.Fatalf("segs length: %d!=%d", len(segs), len(segs1)) 14 | } 15 | for i, seg := range segs { 16 | if seg != segs1[i] { 17 | t.Fatalf("seg not equal: %d: %s!=%s", i, seg, segs1[i]) 18 | } 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /python/echoserver/Makefile: -------------------------------------------------------------------------------- 1 | CC:=gcc 2 | CROSS_COMPILE:=$(HOME)/git-repo/lede-project/lede/staging_dir/toolchain-x86_64_gcc-5.4.0_musl/bin/x86_64-openwrt-linux-musl- 3 | CROSS_COMPILE:= 4 | 5 | all: _udpio.so echoserver.tar.gz 6 | 7 | _udpio.so: _udpio.c 8 | $(CROSS_COMPILE)$(CC) -o $@ -D_GNU_SOURCE -shared -fPIC $^ 9 | 10 | DEPS_echoserver.tar.gz = echoserver.py udpio.py _udpio.so 11 | echoserver.tar.gz: $(DEPS_echoserver.tar.gz) 12 | tar czf $@ $^ 13 | 14 | 15 | clean: 16 | @rm -vf _udpio.so 17 | @rm -vf echoserver.tar.gz 18 | -------------------------------------------------------------------------------- /openwrt/upup/files/upup.config: -------------------------------------------------------------------------------- 1 | # 2 | # ports_vlan, vlan of the ports 3 | # ports_other, ports of those always part of ports_vlan 4 | # port_bridge, port of the bridge link 5 | # ip_my, ip address to check for connectivity of my wing 6 | # ip_other, same as ip_my, but for the other wing 7 | # 8 | config upup upup 9 | option ports_vlan '1' 10 | option ports_other '0 1 2 3' 11 | option port_bridge '4' 12 | option ip_my '192.168.177.177' 13 | option ip_other '114.114.114.114' 14 | option ip_timeout_my 1 15 | option ip_timeout_other 1 16 | -------------------------------------------------------------------------------- /notes/mac-input-umlaut.md: -------------------------------------------------------------------------------- 1 | Prefix the first character with `alt` key (or `fn+option`). 2 | 3 | Umlaut and ss 4 | 5 | `, à, grave 6 | e, é, acute 7 | i, î, circumflex 8 | n, ñ, tilde 9 | u, ü, umlaut 10 | s, ß, ss 11 | 12 | CNY, RMB, Yuan, currency 13 | 14 | y, ¥ 15 | 3, £ 16 | @, € 17 | $, $ 18 | 19 | (c), and tm 20 | 21 | g, © 22 | r, ® 23 | 2, ™ 24 | 25 | Bitten Apfel 26 | 27 | K,  28 | 29 | - Apple OS X Keyboards: Typing Diacritics And Special Characters, https://forlang.wsu.edu/help-pages/help-pages-keyboards-os-x/ 30 | -------------------------------------------------------------------------------- /shell/make-vim-ref-man.sh: -------------------------------------------------------------------------------- 1 | # 2 | # A complete VIM REFERENCE MANUAL can be handy when we need to write new or edit existing vimscripts. 3 | # 4 | # If zsh complains "cat: xxx : File name too long", do the following 5 | # 6 | # setopt sh_wordsplit 7 | # 8 | docdir="$HOME/.usr/share/vim/vim74/doc" 9 | refman="vim-ref-man.txt" 10 | 11 | rm -f "$refman" 12 | awk -F '|' ' 13 | /^REFERENCE MANUAL/ { p=1 } 14 | $2 ~ /\w+\.txt$/ { if (p) printf "%s\n", $2 } 15 | ' "$docdir/help.txt" \ 16 | | while read f; do 17 | cat "$docdir/$f" >>"$refman" 18 | done 19 | -------------------------------------------------------------------------------- /openwrt/dns-ipset/README.md: -------------------------------------------------------------------------------- 1 | Generate dnsmasq config snippet to 2 | 3 | - resolve selected domains using desired dns server 4 | - add the resolved results to desired ipset 5 | 6 | The genereated config file will be `/etc/dnsmasq.ipset` by default. The output dir can be controlled by environment variable `o_confdir`, e.g. 7 | 8 | ./do-dns-ipset.sh dns-ipset.txt 9 | o_confdir=/tmp/dnsmasq.d ./do-dns-ipset.sh dns-ipset.txt 10 | 11 | To use the generated config file, add the following line to `/etc/dnsmasq.conf` 12 | 13 | conf-file=/etc/dnsmasq.ipset 14 | -------------------------------------------------------------------------------- /info/meizu-m351/updater-binary.md: -------------------------------------------------------------------------------- 1 | Content of `/proc/uboot_version`, compare and take index0 2 | 3 | eng 0 4 | oversea 1 5 | user 2 6 | 7 | `property_get("ro.meizu.hardware.modem", buf_modem, "wcdma)`, take index1 8 | 9 | wcdma index0 10 | td-scdma index0+3 11 | 12 | So 13 | 14 | eng,wcdma 0 15 | oversea,wcdma 1 16 | user,wcdma 2 17 | eng,td-scdma 3 18 | oversea,td-scdma 4 19 | user,td-scdma 5 20 | 21 | This is also cross-confirmed by contents of bootloader.img 22 | -------------------------------------------------------------------------------- /ansible/k8s/onecloud/templates/onecloud-cluster.yaml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: "onecloud.yunion.io/v1alpha1" 2 | kind: OnecloudCluster 3 | metadata: 4 | name: "{{ oc_cluster_name }}" 5 | namespace: "{{ oc_namespace }}" 6 | spec: 7 | mysql: 8 | host: "{{ oc_db_host }}" 9 | port: {{ oc_db_port }} 10 | username: "{{ oc_db_user }}" 11 | password: "{{ oc_db_pass }}" 12 | region: "{{ oc_cluster_region }}" 13 | imageRepository: "{{ oc_cluster_image_repo }}" 14 | version: "{{ oc_cluster_version }}" 15 | loadBalancerEndpoint: "{{ oc_cluster_access_addr }}" 16 | -------------------------------------------------------------------------------- /anki/README.md: -------------------------------------------------------------------------------- 1 | A small set of utilities to 2 | 3 | - Lookup definitions of words and produce them as files of listing 4 | - Import those text files to anki 5 | 6 | Basic facts 7 | 8 | - Depends on the DictionaryServices of Mac OS X 9 | - Anki Python library needs to installed 10 | - Anki is written in Python3 11 | - Python DictionaryServices is only available in Python2 12 | 13 | Files 14 | 15 | - p.py, lookup definitions and produce list 16 | - q.py, import listings to anki 17 | - lookup.c, to be compiled into a c library and used with python through ctypes 18 | -------------------------------------------------------------------------------- /openwrt/docker/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM debian:buster 2 | 3 | #RUN sed -i -e 's:deb\.debian\.org:mirrors.tuna.tsinghua.edu.cn:' /etc/apt/sources.list 4 | RUN apt-get update &&\ 5 | apt-get install -y \ 6 | sudo time git-core subversion build-essential g++ bash make \ 7 | libssl-dev patch libncurses5 libncurses5-dev zlib1g-dev gawk \ 8 | flex gettext wget unzip xz-utils python python-distutils-extra \ 9 | python3 python3-distutils-extra rsync curl libsnmp-dev liblzma-dev \ 10 | libpam0g-dev cpio rsync gcc-multilib && \ 11 | apt-get clean 12 | -------------------------------------------------------------------------------- /docker/onedriver/README.md: -------------------------------------------------------------------------------- 1 | It provides a variant of [headless onedriver](https://github.com/jstaf/onedriver) 2 | 3 | # How to use it 4 | 5 | Note that `$cacheDir` is actually a parent dir for the per mount point dir 6 | (`/mnt` in the following example) 7 | 8 | ```sh 9 | cacheDir="$HOME/j/c" 10 | mountDir="$HOME/j/m" 11 | 12 | docker run --rm -it \ 13 | -v "$cacheDir:/cache" \ 14 | -v "$mountDir:/mnt:shared" \ 15 | --device /dev/fuse \ 16 | --cap-add sys_admin \ 17 | r:t \ 18 | --cache-dir "/cache" \ 19 | --allow-other \ 20 | --uid `id -u` \ 21 | --gid `id -g` \ 22 | /mnt 23 | ``` 24 | -------------------------------------------------------------------------------- /info/meizu-m351/factory-test-mode.md: -------------------------------------------------------------------------------- 1 | Code for factory test mode will not be built for `RECOVERY_KERNEL`. 2 | 3 | `arch/arm/mach-exynos/board-m6x-factory-test.c` provides 2 function pointers: `mx_is_factory_test_mode`, `mx_set_factory_test_led` 4 | 5 | - There is not default implementation for them 6 | - It will not cause memory access error because modules depending on them will also not be built for `RECOVERY_KERNEL` 7 | 8 | There are 4 GPIO pins for factory test mode 9 | 10 | - 1 for factory mode in general 11 | - 1 for bt test mdoe 12 | - 1 for gps test mode 13 | - 1 for driving led of the mode -------------------------------------------------------------------------------- /python/timeit-deque-list.py: -------------------------------------------------------------------------------- 1 | from collections import deque 2 | from timeit import timeit 3 | 4 | def deque_action(n): 5 | d = deque() 6 | for i in range(n): 7 | d.append(i) 8 | while len(d): 9 | j = d.popleft() 10 | 11 | def list_action(n): 12 | d = [] 13 | for i in range(n): 14 | d.append(i) 15 | while len(d): 16 | j = d.pop(0) 17 | 18 | def test(who): 19 | what = '%s_action(100000)' % who 20 | setup = 'from __main__ import %s_action' % who 21 | time = timeit(what, number=1, setup=setup) 22 | print who, time 23 | 24 | test('deque') 25 | test('list') 26 | -------------------------------------------------------------------------------- /stap/uflame.stp: -------------------------------------------------------------------------------- 1 | /* 2 | * Usage 3 | * 4 | * stap -x `pgrep ovs-vswitchd` -d /usr/sbin/ovs-vswitchd --ldd uflame.stp -o uflame.stp.out 5 | * stackcollapse-stap.pl uflame.stp.out >uflame.stp.out2 6 | * flamegraph.pl uflame.stp.out2 >uflame.stp.svg 7 | * 8 | */ 9 | 10 | global stks 11 | global quit = 0 12 | 13 | probe timer.profile { 14 | if (pid() == target()) { 15 | if (quit) { 16 | foreach (stk in stks-) { 17 | print_usyms(stk) 18 | printf("\t%d\n", @count(stks[stk])) 19 | } 20 | exit() 21 | } 22 | stks[ucallers(-1)] <<< 1 23 | } 24 | } 25 | 26 | probe timer.s(5) { 27 | quit = 1 28 | } 29 | -------------------------------------------------------------------------------- /python/cdist/gdns: -------------------------------------------------------------------------------- 1 | # vi: ft=sh 2 | source "$__manifest/params" 3 | 4 | o_gdns_listen="192.168.175.1:8053" 5 | o_gdns_src="$o_gopath/src/dns-over-https-proxy" 6 | 7 | __git "$o_gdns_src" \ 8 | --owner "$o_user" --group "$o_user" \ 9 | --source https://github.com/yousong/dns-over-https-proxy 10 | 11 | __daemontools_service gdns \ 12 | --servicedir "$o_servicedir" 13 | --runfile - <<-EOF 14 | #!/bin/bash 15 | bin="$o_gopath/bin/dns-over-https-proxy" 16 | if [ ! -x "\$bin" ]; then 17 | cd "$o_gdns_src" 18 | go install || exit 1 19 | fi 20 | exec "$o_gopath/bin/dns-over-https-proxy" -address $o_gdns_listen 21 | EOF 22 | -------------------------------------------------------------------------------- /notes/devices-in-the-field.md: -------------------------------------------------------------------------------- 1 | 遇到的问题 2 | 3 | 1. 电源断开 4 | 2. 光纤断 5 | 3. DNS无法解析 6 | 4. DNS解析成功但是访问失败（ping超时、端口连接超时） 7 | 5. 解析成功，能连接，但是ping超时 8 | 6. 运营商拨号连接失败 9 | 7. 连接已断，`epoll()`调用调用未有`EPOLLERR`，造成死循环 10 | 8. daemonizer失效，未将客户端重启 11 | 9. dropbear缺少respawn，未重启 12 | 10. xl2tpd named pipe通信设计bug 13 | 11. 内核oops 14 | 12. 可能设备硬件硬件问题，造成非重启无法恢复 15 | 12. 设备外部环境变迁，设备无人照管 16 | 13. 运营商劫持连接，无法通信 17 | 18 | 经验备忘 19 | 20 | - ISP信息，ISP客服联系信息，账号信息等有记录可查 21 | - - 设备信息（设备MAC地址，SN号，地理信息）可查 22 | - - 压缩，头部伪装 23 | 24 | 特征备忘 25 | 26 | - - 普通家用路由器设备 27 | - - 普通家用ISP 28 | - - 服务端的单点问题：域名，IP，机器 29 | - - 接入VPN的单点问题 30 | - - 服务端down掉再up时可能面临的thundering herd问题 31 | -------------------------------------------------------------------------------- /openwrt/a.sh: -------------------------------------------------------------------------------- 1 | mydir="$(dirname "$(readlink -f "$0")")" 2 | 3 | # run container for openwrt build 4 | runob() { 5 | # Put openwrt source code under $work 6 | local workdir="$mydir/work" 7 | local defcfgdir="$mydir/defconfig" 8 | 9 | local dockerimg="yousong/test:openwrt-build" 10 | 11 | local uid 12 | local gid 13 | local user 14 | 15 | uid="$(id -u)" 16 | gid="$(id -g)" 17 | user="$(id -un)" 18 | 19 | docker run \ 20 | --rm \ 21 | -it \ 22 | --name ob \ 23 | -v "$workdir:/work" \ 24 | -v "$defcfgdir:/work/defconfig" \ 25 | -w "/work" \ 26 | --user "$uid:$gid" \ 27 | "$dockerimg" \ 28 | bash 29 | } 30 | 31 | "$@" 32 | -------------------------------------------------------------------------------- /charcodecs/c3c2.py: -------------------------------------------------------------------------------- 1 | import codecs 2 | import sys 3 | 4 | def b(bs): 5 | bs1=b'' 6 | sz=len(bs) 7 | i=0 8 | while i < sz: 9 | c = bs[i] 10 | if c == 0xc3: 11 | i+=1 12 | bs1 = bs1 + (bs[i]|0x40).to_bytes(length=1, byteorder='big') 13 | elif c == 0xc2: 14 | i+=1 15 | bs1 = bs1 + bs[i].to_bytes(length=1, byteorder='big') 16 | else: 17 | bs1 = bs1 + c.to_bytes(length=1, byteorder='big') 18 | i+=1 19 | return bs1 20 | 21 | bs = sys.stdin.buffer.read() 22 | bs1 = b(bs) 23 | s = codecs.decode(bs1, 'gb18030', errors='ignore') 24 | print(s) 25 | -------------------------------------------------------------------------------- /openwrt/defconfig/povs: -------------------------------------------------------------------------------- 1 | CONFIG_PACKAGE_kmod-openvswitch=y 2 | CONFIG_PACKAGE_kmod-openvswitch-geneve=y 3 | CONFIG_PACKAGE_kmod-openvswitch-gre=y 4 | CONFIG_PACKAGE_kmod-openvswitch-vxlan=y 5 | CONFIG_PACKAGE_openvswitch=y 6 | CONFIG_PACKAGE_openvswitch-ovn-north=y 7 | CONFIG_PACKAGE_openvswitch-ovn-host=y 8 | CONFIG_PACKAGE_openvswitch-python=y 9 | 10 | #CONFIG_DEVEL=y 11 | #CONFIG_PACKAGE_kmod-openvswitch-intree=y 12 | #CONFIG_PACKAGE_kmod-openvswitch-geneve-intree=y 13 | #CONFIG_PACKAGE_kmod-openvswitch-gre-intree=y 14 | #CONFIG_PACKAGE_kmod-openvswitch-vxlan-intree=y 15 | #CONFIG_PACKAGE_kmod-openvswitch-stt-intree=y 16 | #CONFIG_PACKAGE_kmod-openvswitch-lisp-intree=y 17 | -------------------------------------------------------------------------------- /docker/onedriver/Dockerfile: -------------------------------------------------------------------------------- 1 | # -*-Dockerfile-*- 2 | 3 | ARG GIT_REPO=https://github.com/yousong/onedriver.git 4 | ARG GIT_BRANCH=yousong 5 | 6 | 7 | FROM golang:1-alpine3.18 AS builder 8 | RUN apk add git 9 | 10 | ARG GIT_REPO 11 | ARG GIT_BRANCH 12 | RUN set -ex \ 13 | && mkdir -p /usr/src \ 14 | && cd /usr/src \ 15 | && git clone "${GIT_REPO}" \ 16 | && cd onedriver \ 17 | && git checkout "${GIT_BRANCH}" 18 | WORKDIR /usr/src/onedriver 19 | 20 | RUN apk add \ 21 | bash \ 22 | grep \ 23 | make 24 | RUN make onedriver-headless 25 | 26 | 27 | FROM alpine:3.18 28 | COPY --from=builder /usr/src/onedriver/onedriver-headless /usr/bin/ 29 | ENTRYPOINT ["/usr/bin/onedriver-headless"] 30 | -------------------------------------------------------------------------------- /qemu/qemu-on-osx/README.md: -------------------------------------------------------------------------------- 1 | ## refs 2 | 3 | - intel haxm, https://software.intel.com/en-us/android/articles/intel-hardware-accelerated-execution-manager 4 | - qemu 2.9 introduces haxm support, http://wiki.qemu.org/ChangeLog/2.9 5 | - Setup NAT Network for QEMU in Mac OSX, https://blog.san-ss.com.ar/2016/04/setup-nat-network-for-qemu-macosx 6 | 7 | ## steps 8 | 9 | install intel haxm 10 | 11 | tuntap driver 12 | 13 | sudo port install tuntaposx 14 | sudo port load tuntaposx 15 | 16 | create bridge and make it gateway 17 | 18 | sudo ./qemu-osx setup 19 | sudo ./qemu-osx run 20 | sudo ./qemu-osx run2 21 | 22 | ## todo 23 | 24 | - investigate why "-drive if=virtio" does not work 25 | -------------------------------------------------------------------------------- /ansible/k8s/nokmem.yaml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: all 3 | tasks: 4 | - name: check /etc/sysconfig/grub 5 | shell: grep -q '^GRUB_CMDLINE_LINUX=.*cgroup.memory=nokmem' /etc/sysconfig/grub 6 | failed_when: no 7 | changed_when: no 8 | no_log: yes 9 | register: grep 10 | - name: edit /etc/sysconfig/grub 11 | replace: 12 | backup: yes 13 | path: /etc/sysconfig/grub 14 | regexp: '(^GRUB_CMDLINE_LINUX="[^"]+)"' 15 | replace: '\1 cgroup.memory=nokmem"' 16 | when: "grep.rc != 0" 17 | register: edit 18 | - name: generate grub.cfg 19 | shell: grub2-mkconfig -o /boot/grub2/grub.cfg 20 | when: edit is changed 21 | -------------------------------------------------------------------------------- /nodejs/chromeless/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "chromeless", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "index.js", 6 | "dependencies": { 7 | "chromeless": "^1.4.0" 8 | }, 9 | "devDependencies": {}, 10 | "scripts": { 11 | "prep": "'/Applications/Google Chrome.app/Contents/MacOS/Google Chrome' --disable-translate --disable-extensions --disable-background-networking --safebrowsing-disable-auto-update --disable-sync --metrics-recording-only --disable-default-apps --mute-audio --no-first-run --remote-debugging-port=9222 --user-data-dir='chromeless-user-data-dir/' --headless about:blank", 12 | "start": "node index.js" 13 | }, 14 | "author": "", 15 | "license": "ISC" 16 | } 17 | -------------------------------------------------------------------------------- /docker/xfstests/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM fedora:34 2 | 3 | RUN dnf install -y \ 4 | acl attr automake bc dbench dump e2fsprogs fio \ 5 | gawk gcc indent libtool lvm2 make psmisc quota sed \ 6 | xfsdump xfsprogs \ 7 | libacl-devel libaio-devel libuuid-devel \ 8 | xfsprogs-devel btrfs-progs-devel python sqlite liburing-devel \ 9 | libcap-devel 10 | 11 | RUN dnf install -y \ 12 | hostname \ 13 | patch 14 | 15 | COPY ./xfstests-2021-08-16-ae8c30c34c51b5a5c5dd1639ec83ef901a40b3ad.tar.gz /root/xfstests.tar.gz 16 | RUN set -x \ 17 | && cd /root \ 18 | && find . -type f | xargs -r ls -l \ 19 | && tar xzf xfstests.tar.gz \ 20 | && mv xfstests-* xfstests \ 21 | && cd ./xfstests \ 22 | && make -j$(nproc) \ 23 | && true 24 | -------------------------------------------------------------------------------- /docker/jupyter/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM quay.io/jupyter/pytorch-notebook:x86_64-cuda12-2024-11-18 2 | 3 | ENV \ 4 | NVIDIA_DRIVER_CAPABILITIES=all 5 | 6 | USER root 7 | RUN set -ex \ 8 | && apt-get update \ 9 | && apt-get install -y git \ 10 | && apt install -y vulkan-tools libegl1 libxext6 \ 11 | && apt clean \ 12 | && sed -i -e "s:archive\.ubuntu\.com:mirrors.tuna.tsinghua.edu.cn:" /etc/apt/sources.list.d/ubuntu.sources \ 13 | && true 14 | 15 | USER jovyan 16 | RUN set -ex \ 17 | && mkdir -p $HOME/.pip \ 18 | && echo '[global]' >$HOME/.pip/pip.conf \ 19 | && echo 'index-url = https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple' >>$HOME/.pip/pip.conf \ 20 | && echo 'disable-pip-version-check = true' >>$HOME/.pip/pip.conf \ 21 | && true 22 | -------------------------------------------------------------------------------- /docker/nextcloud/supervisord.conf: -------------------------------------------------------------------------------- 1 | [supervisord] 2 | nodaemon=true 3 | logfile=/var/log/supervisord/supervisord.log 4 | pidfile=/var/run/supervisord/supervisord.pid 5 | childlogdir=/var/log/supervisord/ 6 | logfile_maxbytes=50MB ; maximum size of logfile before rotation 7 | logfile_backups=10 ; number of backed up logfiles 8 | loglevel=error 9 | 10 | [program:apache2] 11 | stdout_logfile=/dev/stdout 12 | stdout_logfile_maxbytes=0 13 | stderr_logfile=/dev/stderr 14 | stderr_logfile_maxbytes=0 15 | command=apache2-foreground 16 | 17 | [program:cron] 18 | stdout_logfile=/dev/stdout 19 | stdout_logfile_maxbytes=0 20 | stderr_logfile=/dev/stderr 21 | stderr_logfile_maxbytes=0 22 | command=/cron.sh 23 | -------------------------------------------------------------------------------- /shell/multif/multif.spec: -------------------------------------------------------------------------------- 1 | Name: admnet 2 | Version: 1.0 3 | Release: 1 4 | BuildArch: noarch 5 | Summary: 为云平台主机生成静态网络配置 6 | 7 | Requires: initscripts, iproute 8 | 9 | %description 10 | 11 | 当一台虚机还同时绑定有管理网卡、vpc公共服务网卡时，通过dhcp取得的地址虽然正确，但是路由的配置却不一定符合期望 12 | 13 | 脚本尝试固化此类虚机的网络配置项，实现 14 | 15 | - 所有网卡地址配置正确 16 | - 默认路由走管理网卡 17 | - vpc公共服务相关子网路由设置正确 18 | - 基于网卡源地址的策略路由，例如，FullNAT环境中的NGINX机器，源地址为内网网卡地址、目的地址为公网IP的报文仍从内网网卡出去，而不是通过默认路由走管理网网卡 19 | - 重启机器配置能不变 20 | 21 | %install 22 | mkdir -p %{buildroot}/%{_datadir}/admnet 23 | cp -f $OLDPWD/admnet.sh %{buildroot}/%{_datadir}/admnet 24 | 25 | 26 | %files 27 | %defattr(-,root,root,-) 28 | %{_datadir}/admnet/* 29 | 30 | 31 | %changelog 32 | * Thu Oct 03 2017 Yousong Zhou 1.0 33 | - initial 34 | -------------------------------------------------------------------------------- /python/stackframes.py: -------------------------------------------------------------------------------- 1 | from __future__ import print_function 2 | import sys 3 | import threading 4 | import traceback 5 | import time 6 | 7 | def print_stacks(): 8 | frames = sys._current_frames() 9 | for t in threading.enumerate(): 10 | tident = t.ident 11 | tframe = frames.get(tident) 12 | if tframe: 13 | stack = traceback.extract_stack(tframe) 14 | print(stack) 15 | 16 | class T(threading.Thread): 17 | def __init__(self, sem): 18 | super(T, self).__init__() 19 | self.sem = sem 20 | 21 | def run(self): 22 | sem.acquire() 23 | 24 | count = 3 25 | sem = threading.Semaphore(0) 26 | for i in range(count): 27 | T(sem).start() 28 | print_stacks() 29 | for i in range(count): 30 | sem.release() 31 | -------------------------------------------------------------------------------- /golang/tcpconn/rlimit_linux.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "io/ioutil" 5 | "strconv" 6 | "strings" 7 | 8 | "golang.org/x/sys/unix" 9 | 10 | "github.com/golang/glog" 11 | ) 12 | 13 | func sysctlRead(p string) (string, error) { 14 | c, err := ioutil.ReadFile(p) 15 | if err != nil { 16 | return "", err 17 | } 18 | return string(c), nil 19 | } 20 | 21 | func getNofileSysMax() uint64 { 22 | max := uint64(unix.RLIM_INFINITY) 23 | 24 | if s, err := sysctlRead("/proc/sys/fs/nr_open"); err == nil { 25 | s = strings.TrimSpace(s) 26 | n, err := strconv.ParseUint(s, 10, 64) 27 | if err != nil { 28 | glog.Fatalf("bad fs.nr_open (%s): %v", s, err) 29 | } 30 | glog.Infof("fs.nr_open = %d", n) 31 | if max > n { 32 | max = n 33 | } 34 | } 35 | 36 | return max 37 | } 38 | -------------------------------------------------------------------------------- /openwrt/defconfig/mos-mini: -------------------------------------------------------------------------------- 1 | CONFIG_TARGET_x86=y 2 | CONFIG_TARGET_x86_64=y 3 | CONFIG_TARGET_x86_64_Generic=y 4 | CONFIG_GRUB_TIMEOUT="0" 5 | CONFIG_PACKAGE_qemu-ga=y 6 | 7 | CONFIG_PACKAGE_ip=y 8 | CONFIG_PACKAGE_ip-full=y 9 | CONFIG_PACKAGE_tc=y 10 | CONFIG_PACKAGE_genl=y 11 | CONFIG_PACKAGE_ip-bridge=y 12 | CONFIG_PACKAGE_ss=y 13 | 14 | CONFIG_PACKAGE_python=y 15 | CONFIG_PACKAGE_python-pip=y 16 | CONFIG_PACKAGE_tcpdump=y 17 | CONFIG_PACKAGE_netcat=y 18 | CONFIG_PACKAGE_iputils-arping=y 19 | 20 | CONFIG_DEVEL=y 21 | CONFIG_PACKAGE_python=y 22 | CONFIG_PACKAGE_python-packages=y 23 | CONFIG_PACKAGE_python-packages-list="tornado==4.4.*" 24 | CONFIG_PACKAGE_python-packages-index-url="http://pypi.douban.com/simple" 25 | CONFIG_PACKAGE_python-packages-pip-opts="--trusted-host pypi.douban.com -v" 26 | -------------------------------------------------------------------------------- /shell/mail-maintainers.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # Make --to xx --cc arguments for git-send-email from output of 4 | # get_maintainer.pl script. 5 | # 6 | # send_to_maintainer 133-MIPS-UAPI-Fix-unrecognized-opcode-WSBH-DSBH-DSHD-whe.patch 7 | to_maintainers() { 8 | local f="$1" 9 | local get_maintainer="./scripts/get_maintainer.pl" 10 | local raw 11 | local to cc 12 | 13 | [ -x "$get_maintainer" ] || { 14 | echo "Cannot find executable $get_maintainer" >&2 15 | return 1 16 | } 17 | 18 | raw="$("$get_maintainer" "$f")" 19 | raw="$(echo "$raw" | cut -f1 -d'(')" 20 | to="$(echo "$raw" | head -n 1 | sed 's/^\(.*\)\s\+/--to "\1" /' | tr -d '\n')" 21 | cc="$(echo "$raw" | tail -n +2 | sed 's/^\(.*\)\s\+/--cc "\1" /' | tr -d '\n')" 22 | 23 | echo "$to $cc" 24 | } 25 | 26 | to_maintainers "$@" 27 | -------------------------------------------------------------------------------- /docker/rarlinux/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM alpine:3.18 as builder 2 | ARG RARLINUX_TARGZ=rarlinux-x64-624.tar.gz 3 | ARG RARLINUX_TARGZ_MD5SUM=cd34890687cbbc0177fbaf6c9de20449 4 | RUN set -ex \ 5 | && cd / \ 6 | && wget --no-check-certificate https://www.rarlab.com/rar/$RARLINUX_TARGZ \ 7 | && echo "$RARLINUX_TARGZ_MD5SUM $RARLINUX_TARGZ" | md5sum -c \ 8 | && tar xzf "$RARLINUX_TARGZ" 9 | 10 | FROM debian:bookworm-slim 11 | ENV \ 12 | PATH="/rar:${PATH}" \ 13 | LANG="en_US.UTF-8" 14 | COPY --from=builder /rar /rar 15 | RUN set -ex \ 16 | && rar \ 17 | && apt-get update \ 18 | && apt-get install -y --no-install-recommends \ 19 | locales \ 20 | && rm -rf /var/lib/apt/lists/* \ 21 | && sed -i -r -e 's/# (en_US.UTF-8)/\1/' /etc/locale.gen \ 22 | && sed -i -r -e 's/# (zh_CN)/\1/' /etc/locale.gen \ 23 | && locale-gen 24 | -------------------------------------------------------------------------------- /openwrt/hack/build-tl-wr841n-v5-lede/zerotier-makefile.patch: -------------------------------------------------------------------------------- 1 | diff --git a/net/zerotier/Makefile b/net/zerotier/Makefile 2 | index e9c1426a1..54ff3c6f0 100644 3 | --- a/net/zerotier/Makefile 4 | +++ b/net/zerotier/Makefile 5 | @@ -6,12 +6,12 @@ 6 | include $(TOPDIR)/rules.mk 7 | 8 | PKG_NAME:=zerotier 9 | -PKG_VERSION:=1.12.2 10 | -PKG_RELEASE:=2 11 | +PKG_VERSION:=1.10.6 12 | +PKG_RELEASE:=1 13 | 14 | PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz 15 | PKG_SOURCE_URL:=https://codeload.github.com/zerotier/ZeroTierOne/tar.gz/$(PKG_VERSION)? 16 | -PKG_HASH:=7c6512cfc208374ea9dc9931110e35f71800c34890e0f35991ea485aae66e31c 17 | +PKG_HASH:=3f0b59e0c290b18b93fddee1f7b927209538d84a88343b2f3ac61a6bf3c87910 18 | PKG_BUILD_DIR:=$(BUILD_DIR)/ZeroTierOne-$(PKG_VERSION) 19 | 20 | PKG_MAINTAINER:=Moritz Warning 21 | -------------------------------------------------------------------------------- /ansible/openwrt/repos.yaml: -------------------------------------------------------------------------------- 1 | # remember to run as 2 | --- 3 | - hosts: all 4 | vars: 5 | git_repo_dir: /home/yousong/git-repo 6 | git_repo_openwrt_dir: "{{ git_repo_dir }}/openwrt" 7 | git_repo_url_base: git://git.openwrt.org 8 | tasks: 9 | - name: Mkdir -p "{{ git_repo_openwrt_dir }}" 10 | file: 11 | path: "{{ git_repo_openwrt_dir }}" 12 | state: directory 13 | - name: Prepare git.openwrt.org repos 14 | git: 15 | repo: "{{ git_repo_url_base }}/{{ item }}.git" 16 | dest: "{{ git_repo_openwrt_dir }}/{{ item | basename }}" 17 | update: no 18 | loop: 19 | - openwrt/openwrt 20 | - project/netifd 21 | - project/firewall3 22 | - project/fstools 23 | - project/libubox 24 | - project/uci 25 | - project/ubus 26 | -------------------------------------------------------------------------------- /shell/pulse-probe/ping.gnuplot: -------------------------------------------------------------------------------- 1 | # timefmt will only take effect if set xdata is also given 2 | set ydata time 3 | set timefmt "%s" 4 | set format y "%d %H:%M" 5 | 6 | set ytics nomirror 7 | 8 | # date --date='2016-04-21 23:58:00' +%s 9 | # date --date=@1461747768 10 | #stime = 1463121600 11 | #length = 600 12 | #set yrange [stime: stime+length] 13 | set xrange [0: 600] 14 | 15 | #set terminal svg size 8000,4400 dynamic 16 | set terminal svg size 4000,1400 dynamic 17 | set output 'x.svg' 18 | 19 | pingips = system("cat ip.ping.list") 20 | iplist = system("cat ip.list") 21 | set multiplot \ 22 | layout 2,4 \ 23 | columnsfirst \ 24 | 25 | fn(sip, ip) = sprintf('data/%s-ping-%s.out', sip, ip) 26 | do for [ip in pingips] { 27 | plot for [sip in iplist] fn(sip, ip) using 2:1 with lines title fn(sip, ip) 28 | } 29 | 30 | unset multiplot 31 | -------------------------------------------------------------------------------- /python/cdist/ss: -------------------------------------------------------------------------------- 1 | # vi: ft=sh 2 | source "$__manifest/params" 3 | 4 | o_ss_conf='whattttt' 5 | o_ss_run=" 6 | #!/bin/bash 7 | P=/home/$o_user/.usr"' 8 | ss_server="$P/bin/ss-server" 9 | ss_server_conf="$P/etc/shadowsocks-libev/air.conf" 10 | exec "$ss_server" -c "$ss_server_conf" 11 | ' 12 | 13 | __config_file "$o_userprefix/etc/shadowsocks-libev/air.conf" \ 14 | --owner "$o_user" --group "$o_user" --mode 600 \ 15 | --source - \ 16 | --state present <<-EOF 17 | $o_ss_conf 18 | EOF 19 | __daemontools_service air0 \ 20 | --servicedir "$o_servicedir" 21 | --runfile - <<-EOF 22 | $o_ss_run 23 | EOF 24 | __daemontools_service air1 \ 25 | --servicedir "$o_servicedir" 26 | --runfile - <<-EOF 27 | $o_ss_run 28 | EOF 29 | 30 | __line svcss \ 31 | --file "/etc/rc.local" \ 32 | --regex "$o_userprefix/bin/svscanboot &" \ 33 | --state present 34 | -------------------------------------------------------------------------------- /golang/tut/encoding_json_test.go: -------------------------------------------------------------------------------- 1 | package tut 2 | 3 | import "testing" 4 | import ( 5 | "encoding/json" 6 | ) 7 | 8 | type OwnerTenantOption struct { 9 | TenantId string `json:"tenant_id"` 10 | UserId string `json:"user_id"` 11 | } 12 | 13 | type VpcOption struct { 14 | Vni int `json:"vni"` 15 | } 16 | 17 | type VpcCreateOption struct { 18 | Owner OwnerTenantOption `json:"owner"` 19 | Vpc VpcOption `json:"vpc"` 20 | } 21 | 22 | func TestNestedJSON(t *testing.T) { 23 | var j = []byte(`{"owner": {"tenant_id": "tenant_me"},"vpc": {"vni": 123}}`) 24 | var opt = &VpcCreateOption{} 25 | var err error 26 | err = json.Unmarshal(j, opt) 27 | if err != nil { 28 | t.Fatalf("unmarshal error: %s", err) 29 | } 30 | if opt.Owner.TenantId != "tenant_me" || opt.Vpc.Vni != 123 { 31 | t.Fatalf("wrong unmarshalled value: %v", opt) 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /golang/gopkg-nginx.conf: -------------------------------------------------------------------------------- 1 | # vi: ft=nginx 2 | # 3 | # Export golang packages hosted on GitHub and internal servers with 4 | # orgranization brand names in them 5 | # 6 | # Refs 7 | # 8 | # - https://golang.org/cmd/go/#hdr-Remote_import_paths 9 | # - https://golang.org/doc/go1.4#canonicalimports 10 | # - https://github.com/golang/gddo/wiki/Source-Code-Links 11 | # 12 | map $uri $reporoot { 13 | "~^/x/pubproj(/.*|)$" "https://github.com/org/pubproj"; 14 | "~^/x/intproj(/.*|)$" "ssh://git@git.org.io/intproj.git"; 15 | } 16 | 17 | map $uri $repoprefix { 18 | "~^/x/pubproj(/.*|)$" "org.io/x/pubproj"; 19 | "~^/x/priproj(/.*|)$" "org.io/x/priproj"; 20 | } 21 | 22 | server { 23 | location /x/ { 24 | if ($args = "go-get=1") { 25 | add_header Content-Type text/html; 26 | return 200 ''; 27 | } 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /python/sphinx/Dockerfile-latexpdf-extra: -------------------------------------------------------------------------------- 1 | FROM sphinxdoc/sphinx-latexpdf:latest 2 | 3 | MAINTAINER Yousong Zhou 4 | 5 | # fonts-freefont-otf: FreeSerif 6 | # xindy: index generation when latex_engine is xelatex 7 | # texlive-latex-extra: \substitutefont 8 | # texlive-lang-greek: lgrenc.def 9 | RUN true \ 10 | && apt-get update \ 11 | && apt-get install -y \ 12 | fonts-freefont-otf \ 13 | xindy \ 14 | texlive-latex-extra \ 15 | texlive-lang-cyrillic \ 16 | texlive-lang-greek \ 17 | && true 18 | 19 | # sphinxcontrib-websupport: sphinxcontrib.websupport imported by docs of sphinx itself 20 | RUN true \ 21 | && pip install sphinxcontrib-websupport \ 22 | && true 23 | 24 | # texlive-plain-generic: listofitems.sty, required by riscv/riscv-isa-manual 25 | RUN true \ 26 | && apt-get install -y \ 27 | texlive-plain-generic 28 | 29 | # vi: ft=dockerfile 30 | -------------------------------------------------------------------------------- /shell/vpnguru/vpnguru.drv: -------------------------------------------------------------------------------- 1 | n0() { 2 | export o_ifname=xx 3 | export arg_nft=1 4 | export arg_nft_print_chain=1 5 | sh -e vpnguru 6 | } 7 | 8 | n1() { 9 | export o_ifname=xx 10 | export arg_nft=1 11 | export arg_nft_print_table=1 12 | sh -e vpnguru 13 | } 14 | 15 | i0() { 16 | export o_ifname=xx 17 | export arg_ipt=1 18 | export arg_ipt_print_ipset=1 19 | sh -e vpnguru 20 | } 21 | 22 | i1() { 23 | export o_ifname=xx 24 | export arg_ipt=1 25 | export arg_ipt_print_rule=1 26 | sh -e vpnguru 27 | } 28 | 29 | nftf() { 30 | export o_ifname=xx 31 | export arg_ipt=1 32 | export arg_flush_only=1 33 | sh -e vpnguru 34 | } 35 | 36 | iptf() { 37 | export o_ifname=xx 38 | export arg_ipt=1 39 | export arg_flush_only=1 40 | sh -e vpnguru 41 | } 42 | 43 | # ipt/nft must select one 44 | # ipt print ipset/rule 45 | # nft print table/chain 46 | # ipt/nft flush only 47 | 48 | "$@" 49 | -------------------------------------------------------------------------------- /ansible/k8s/README.md: -------------------------------------------------------------------------------- 1 | # Try kubespray 2 | 3 | - https://github.com/kubernetes-sigs/kubespray 4 | 5 | # TODO 6 | 7 | - multi-master cluster 8 | - https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/ha-topology/ 9 | - https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/high-availability/ 10 | - drain and take down 11 | 12 | Kube-proxy IPVS mode 13 | 14 | - https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/#config-file 15 | - role variable: kubernetes_kubeadm_init_extra_opt 16 | 17 | Network other than flannel, e.g. calico 18 | 19 | - https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/#pod-network 20 | 21 | # tips 22 | 23 | kubeadm config images list 24 | kubeadm config images pull --help 25 | 26 | # useful on version bump, re-run kubeadm init 27 | rm -vf /etc/kubernetes/admin.conf 28 | -------------------------------------------------------------------------------- /ansible/ss/ss.yaml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: all 3 | tasks: 4 | - include_role: 5 | name: yousong.shadowsocks-libev 6 | - name: Allow server listen port 7 | firewalld: 8 | zone: public 9 | rich_rule: "rule port port='{{ lookup('vars', 'shadowsocks_libev_server_' + item).server_port }}' protocol='tcp' accept" 10 | permanent: yes 11 | state: enabled 12 | with_items: "{{ shadowsocks_libev_servers }}" 13 | - name: Allow server listen port 14 | firewalld: 15 | zone: public 16 | rich_rule: "rule port port='{{ lookup('vars', 'shadowsocks_libev_server_' + item).server_port }}' protocol='udp' accept" 17 | permanent: yes 18 | state: enabled 19 | with_items: "{{ shadowsocks_libev_servers }}" 20 | - name: Reload firewalld 21 | service: 22 | name: firewalld 23 | state: restarted 24 | enabled: yes 25 | -------------------------------------------------------------------------------- /anki/q.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | import os 3 | import glob 4 | 5 | from anki import Collection 6 | from anki.importing import TextImporter 7 | 8 | def drv(col): 9 | cwd = os.getcwd() 10 | flist = glob.glob('????.txt') 11 | for inf in flist: 12 | textf = 'economist.words.' + inf 13 | deckname = textf.rstrip('.txt') 14 | textf = os.path.join(cwd, textf) 15 | print(textf) 16 | deckid = col.decks.id(deckname) 17 | 18 | ti = TextImporter(col, textf) 19 | ti.model['did'] = deckid 20 | col.decks.select(deckid) 21 | 22 | ti.delimiter = '\t' 23 | ti.initMapping() 24 | ti.run() 25 | 26 | def export(col): 27 | pass 28 | 29 | if __name__ == '__main__': 30 | path_col = '/Users/yousong/Library/Application Support/Anki2/User 1/collection.anki2' 31 | col = Collection(path_col) 32 | drv(col) 33 | col.close() 34 | -------------------------------------------------------------------------------- /nodejs/chromeless/index.js: -------------------------------------------------------------------------------- 1 | const { Chromeless } = require('chromeless') 2 | 3 | var url 4 | url = 'https://www.douban.com' 5 | url = 'https://www.google.com/culturalinstitute/beta/asset/the-kiss/HQGxUutM_F6ZGg?hl=en' 6 | 7 | useragent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36' 8 | longtime = 100000 * 1000; 9 | 10 | async function run() { 11 | const chromeless = new Chromeless({ 12 | debug: true, 13 | viewport: { 14 | width: 1440, 15 | height: 900, 16 | } 17 | }) 18 | 19 | chromeless.setUserAgent(useragent) 20 | const screenshot = await chromeless 21 | .goto(url) 22 | .wait('div[role="button"] svg path', longtime) 23 | .wait(2000) 24 | .screenshot('html', { 25 | filePath: './pic.jpeg' 26 | }) 27 | console.log(screenshot) 28 | await chromeless.end() 29 | } 30 | 31 | run().catch(console.error.bind(console)) 32 | -------------------------------------------------------------------------------- /openwrt/upup/Makefile: -------------------------------------------------------------------------------- 1 | # 2 | # Copyright (C) 2017 Yousong Zhou 3 | # 4 | # This is free software, licensed under the GNU General Public License v2. 5 | # See /LICENSE for more information. 6 | # 7 | 8 | include $(TOPDIR)/rules.mk 9 | 10 | PKG_NAME:=upup 11 | PKG_RELEASE:=6 12 | 13 | include $(INCLUDE_DIR)/package.mk 14 | 15 | define Package/upup 16 | SECTION:=net 17 | CATEGORY:=Network 18 | TITLE:=upup managing the bridge link 19 | MAINTAINER:=Yousong Zhou 20 | endef 21 | 22 | define Build/Compile 23 | endef 24 | 25 | define Package/upup/install 26 | $(INSTALL_DIR) $(1)/usr/sbin 27 | $(INSTALL_BIN) ./files/upup $(1)/usr/sbin/ 28 | $(INSTALL_DIR) $(1)/etc/init.d 29 | $(INSTALL_BIN) ./files/upup.init $(1)/etc/init.d/upup 30 | $(INSTALL_DIR) $(1)/etc/config 31 | $(INSTALL_BIN) ./files/upup.config $(1)/etc/config/upup 32 | endef 33 | 34 | $(eval $(call BuildPackage,upup)) 35 | -------------------------------------------------------------------------------- /docker/baidunetdisk/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM jlesage/baseimage-gui:debian-11-v4.4 2 | 3 | ENV HOME=/config 4 | ENV TZ=Asia/Shanghai 5 | ENV LC_ALL=C 6 | 7 | ARG BAIDUNETDISK_VERSION=4.17.7 8 | 9 | ADD root/ / 10 | 11 | RUN set -x \ 12 | && apt-get update \ 13 | && apt-get install -y --no-install-recommends \ 14 | ca-certificates \ 15 | chromium \ 16 | curl \ 17 | libasound2 \ 18 | libdrm2 \ 19 | libgbm1 \ 20 | libx11-xcb1 \ 21 | ttf-wqy-zenhei \ 22 | xdg-utils \ 23 | && curl -o baidunetdisk.deb https://issuepcdn.baidupcs.com/issue/netdisk/LinuxGuanjia/${BAIDUNETDISK_VERSION}/baidunetdisk_${BAIDUNETDISK_VERSION}_amd64.deb \ 24 | && apt-get install -y --no-install-recommends ./baidunetdisk.deb \ 25 | && rm -vf baidunetdisk.deb \ 26 | && install_app_icon.sh /baidunetdisk.png \ 27 | && set-cont-env APP_NAME "百度网盘" \ 28 | && set-cont-env APP_VERSION "$BAIDUNETDISK_VERSION" \ 29 | && rm -rf /var/lib/apt/lists/* \ 30 | && true 31 | -------------------------------------------------------------------------------- /python/cdist/params: -------------------------------------------------------------------------------- 1 | # vi: ft=sh 2 | # 3 | # cdist config -v -i init localhost 4 | # # build, then 5 | # cdist config -v -i ss localhost 6 | # cdist config -v -i wg localhost 7 | # cdist config -v -i strongswan localhost 8 | # 9 | o_user=yousong 10 | o_pass='passwordhash' # openssl passwd -crypt -salt fh 3 11 | o_grup=wheel 12 | o_pubk='publickey' 13 | o_pkgs="git mosh sudo zsh" 14 | o_pkgs_dev="make autoconf libtool build-essential cmake pkg-config linux-headers-$(uname -r)" # debian 15 | o_pkgs_dev="make autoconf libtool gcc cmake pkgconfig kernel-headers" # rhel 16 | o_ifname_inet="ens3" 17 | 18 | 19 | #( 20 | # cd "/home/$o_user/git-repo/build-scripts" 21 | # make -j32 \ 22 | # shadowsocks-libev/install \ 23 | # wireguard/install \ 24 | # daemontools/install 25 | #) 26 | 27 | 28 | o_userprefix="/home/$o_user/.usr" 29 | o_userenvprefix="/home/$o_user/.usr.env" 30 | o_servicedir="$o_userprefix/etc/service" 31 | o_gopath="/home/$o_user/gop" 32 | -------------------------------------------------------------------------------- /info/meizu-m351/updater-binary-and-partitions.md: -------------------------------------------------------------------------------- 1 | `META-INF/com/mx3/android/updater-script` 2 | 3 | Partition and content 4 | 5 | mmcblk0p7 recovery-uboot.img 6 | mmcblk0p6 ramdisk-uboot.img 7 | mmcblk0p5 zImage 8 | mmcblk0boot0 bootloader.img or boot.img 9 | mmcblk0p1 /system 10 | mmcblk0p4 /custom, may delete `/custom/meizu/` if `/custom/simlock.key` does not exist 11 | 12 | See `drivers/mmc/card/block.c:init_extra_partition()` for details. 13 | 14 | Part info from `bootinfo` are added with index 5 as base. That means `PART_REC_PRIV` will be available as `mmcblk0p[5 + PART_KERNEL]`, i.e. `mmcblk0p12` 15 | 16 | In normal mode, `PART_REC_PRIV` is the only partition exported in kernel. 17 | 18 | - bootable/recovery, https://android.googlesource.com/platform/bootable/recovery 19 | - Android notes on OTA, http://www.efalk.org/Docs/Android/ota.html#Edify 20 | - (possibly outdated), https://source.android.com/devices/tech/ota/inside_packages.html -------------------------------------------------------------------------------- /shell/tunnels/tunnel-gre.sh: -------------------------------------------------------------------------------- 1 | tunnel_setup() { 2 | local name="$1" 3 | local l="${2%%:*}" 4 | local r="${3%%:*}" 5 | local ipl="${2##*:}" 6 | local ipr="${3##*:}" 7 | local dev="$4" 8 | 9 | # also works with ipip tunnel 10 | tunnel_teardown "$name" 11 | sudo ip tunnel add "$name" mode gre local "$l" remote "$r" dev "$dev" 12 | sudo ip addr add local "$ipl" peer "$ipr" dev "$name" 13 | sudo ip link set "$name" up 14 | } 15 | 16 | tunnel_teardown() { 17 | local name="$1" 18 | 19 | sudo ip tunnel del "$name" 2>/dev/null 20 | } 21 | 22 | # value consists of 2 parts 23 | # - ip address for tunnel endpoint 24 | # - ip address to be assigned for the tunnel interface 25 | endlocal="192.168.22.250:1.2.3.3" 26 | endremote="192.168.3.198:1.2.3.4" 27 | 28 | # viewpoint of local host: self 29 | self="$(hostname)" 30 | if [ "$self" = "debian" ]; then 31 | tunnel_setup foo "$endlocal" "$endremote" eth0 32 | else 33 | tunnel_setup foo "$endremote" "$endlocal" eth0 34 | fi 35 | -------------------------------------------------------------------------------- /python/example-traceback.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # - Internal types, https://docs.python.org/2/reference/datamodel.html#types 3 | # - sys.exc_info(), https://docs.python.org/2/library/sys.html#sys.exc_info 4 | 5 | import sys 6 | 7 | def show_tb(): 8 | tb = sys.exc_info()[2] 9 | print '>' * 5 10 | while True: 11 | if tb is None: 12 | break 13 | frame = tb.tb_frame 14 | lineno = tb.tb_lineno 15 | code = frame.f_code 16 | funcname = code.co_name 17 | filename = code.co_filename 18 | print '%s:%d: in function %s' % (filename, lineno, funcname) 19 | tb = tb.tb_next 20 | 21 | def f(): 22 | def g(): 23 | def h(): 24 | raise Exception('hello') 25 | def i(): 26 | show_tb() 27 | try: 28 | h() 29 | except: 30 | i() 31 | i() 32 | raise Exception('world') 33 | g() 34 | 35 | try: 36 | f() 37 | except: 38 | show_tb() 39 | 40 | -------------------------------------------------------------------------------- /python/datetime-epoch.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # encoding: utf-8 3 | 4 | import time 5 | import re 6 | from datetime import datetime 7 | 8 | # https://docs.python.org/2/library/time.html 9 | # https://docs.python.org/2/library/datetime.html 10 | 11 | _s = ( 12 | r'^' 13 | r'(?P\d{4})年 (?P\d\d)月 (?P\d\d)日' 14 | r'.*' 15 | r'(?P