A simple shell script to find out whether critical services are running or, not under Linux or Unix operating systems. The script can send notification using email.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #!/bin/bash # Name : service.chk # URL: https://bash.cyberciti.biz/monitoring/simple-process-checker-script/ # Purpose: A simple process checker. Find out if service is running or not. # Tested on: Debian and RHEL based system only. # ---------------------------------------------------------------------------- # Author: nixCraft http://www.cyberciti.biz/ # Copyright: 2009 nixCraft under GNU GPL v2.0+ # ---------------------------------------------------------------------------- # Last updated: 13/Mar/2013 - Added support for email and other enhancements # Last updated: 05/Dec/2011 - Added support for binary path check # ---------------------------------------------------------------------------- ## Change as per your distro _pgrep="/usr/bin/pgrep" _mail="/usr/bin/mail" ## Add binary list here _chklist="/usr/bin/php-cgi /usr/sbin/nginx /usr/sbin/lighttpd /usr/sbin/mysqld /usr/sbin/apache2 /usr/sbin/named /usr/sbin/pgsqld" ## yes | no _sendemail="no" ## Add your email id ## Do not change below _failed="false" _service="Service:" _running() { local p="${1##*/}" local s="true" $_pgrep "${p}" >/dev/null || { s="false"; _failed="true"; _service="${_service} $1,"; } [[ "$s" == "true" ]] && echo "$1 running" || { echo -n "$1 not running"; [[ ! -f "$1" ]] && echo " [ $1 not found ]" || echo ; } } ## header echo "Service status on ${HOSTNAME} @ $(date)" echo "------------------------------------------------------" ## Check if your service is running or not for s in $_chklist do _running "$s" done ## Send a quick email update (good for cron jobs) ## [[ "$_failed" == "true" && "$_sendemail" == "yes" ]] && { _mess="$_service failed on $HOSTNAME @ $(date)"; $_mail -s 'Service not found' "$_email" < "${_mess}"; } |
Sample outputs:
5 comment
worked perfectly…once I changed permissions
Is there a way to get this to process the “_chklist” with a comma delimited instead of a space between the processes?
e a Bash shell script that creates 10 files under the directory /tmp/ with the names:
Foo1, foo2, … etc. then write in each of them “Hello in 1”, Hello in 2”, …etc.
Then rename them to the names CPE471_0_file, CPE471_1_file , CPE471_9_file , etc.
Won’t send me a message via email. says error on line 51..
change the section under: ## Send a quick email update (good for cron jobs) ##
to
## Send a quick email update (good for cron jobs) ##
[[ “$_failed” == “true” && “$_sendemail” == “yes” ]] &” | $_mail -s ‘Service not Running’ “$_email”;
}