├── LICENSE
├── README.md
└── check.sh


/LICENSE:
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 1 | This is free and unencumbered software released into the public domain.
 2 | 
 3 | Anyone is free to copy, modify, publish, use, compile, sell, or
 4 | distribute this software, either in source code form or as a compiled
 5 | binary, for any purpose, commercial or non-commercial, and by any
 6 | means.
 7 | 
 8 | In jurisdictions that recognize copyright laws, the author or authors
 9 | of this software dedicate any and all copyright interest in the
10 | software to the public domain. We make this dedication for the benefit
11 | of the public at large and to the detriment of our heirs and
12 | successors. We intend this dedication to be an overt act of
13 | relinquishment in perpetuity of all present and future rights to this
14 | software under copyright law.
15 | 
16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 | IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 | OTHER DEALINGS IN THE SOFTWARE.
23 | 
24 | For more information, please refer to <http://unlicense.org>
25 | 


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/README.md:
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 1 | # server-status
 2 | A little Bash script that checks if a server is UP or DOWN, and sends a mail with status update.
 3 | 
 4 | ## Installation
 5 | 
 6 | ### Dependencies
 7 | 
 8 | `fping` to check if the server answser to the ping. Available on Debian, Arch and Gentoo repositories, or on [fping.org](http://fping.org/)
 9 | 
10 | `sendmail` or any mail sender. But you *must* make sure you can send mail with the `mail` command, or the script will be useless.
11 | 
12 | `cron` to run the script automatically.
13 | 
14 | ### Download the script
15 | 
16 | ```
17 | wget https://raw.githubusercontent.com/Angristan/server-status/master/check.sh
18 | chmod +x check.sh
19 | ```
20 | 
21 | 
22 | ## Usage
23 | 
24 | To run the script : `./check.sh` or `bash check.sh`
25 | 
26 | To run the script automatically :
27 | 
28 | `crontab -e`
29 | 
30 | Add:
31 | 
32 | `*/1 * * * * bash /path/to/check.sh`
33 | 
34 | This will run the script every minute.
35 | 
36 | 
37 | ## License
38 | 
39 | [The unlicense](https://github.com/Angristan/server-status/blob/master/LICENSE) : do whatever you want with the code.
40 | 


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/check.sh:
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 1 | #!/bin/bash
 2 | host="IP or domain"
 3 | mail="the email adress that will receive mails"
 4 | status=$(fping $host)
 5 | status=$(echo $status | awk '{print $3}')
 6 | if [ -e /tmp/status-$host.txt ]
 7 |   then
 8 |     laststatus=$(cat /tmp/status-$host.txt)
 9 |     if [[ $laststatus != $status ]]
10 |       then
11 |         echo $status > /tmp/status-$host.txt
12 |         if [[ $status = "alive" ]]
13 |           then
14 |             echo "Hi, the server $host is back up." | mail -s "The server $host is UP !" $mail
15 |         else
16 |           echo "Hi, the server $host is down." | mail -s "he server $host is DOWN !" $mail
17 |         fi
18 |     fi
19 | else
20 |   echo $status > /tmp/status-$host.txt
21 | fi
22 | 


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