Very Generic Linux Service Watchdog script Rumi, June 16, 2016 A strong watchdog script- indeed! #!/bin/bash # # watchdog # # Run as a cron job to keep an eye on what_to_monitor which should always # be running. Restart what_to_monitor and send notification as needed. # # This needs to be run as root or a user that can start system services. # # Revisions: 0.1 (20100506), 0.2 (20100507) NAME=what_to_monitor START=/full/path/to/$NAME NOTIFY=person1email NOTIFYCC=person2email GREP=/bin/grep PS=/bin/ps NOP=/bin/true DATE=/bin/date MAIL=/bin/mail RM=/bin/rm $PS -ef|$GREP -v grep|$GREP $NAME >/dev/null 2>&1 case "$?" in 0) # It is running in this case so we do nothing. $NOP ;; 1) echo "$NAME is NOT RUNNING. Starting $NAME and sending notices." $START 2>&1 >/dev/null & NOTICE=/tmp/watchdog.txt echo "$NAME was not running and was started on `$DATE`" > $NOTICE $MAIL -n -s "watchdog notice" -c $NOTIFYCC $NOTIFY < $NOTICE $RM -f $NOTICE ;; esac exit Src: http://blog.eracc.com/2010/05/08/linux-monitor-a-service-with-a-watchdog-script/ Related Scripts Watchdog
Varnish Nagios Plugin September 24, 2013 Install To use this plugin you need to have varnishstat installed which is installed by default when you install varnish. Perl is also required for this plugin. If you don’t have Perl installed you can install in by running the command below sudo apt-get install perl or sudo yum install… Read More
MySQLDump Shell script for backup April 21, 2013 You can use the following script to dump mysql database and can add to crontab entry for daily backup! #!/bin/sh DAY=`/bin/date +%Y%m%d` TFILE="/backup/MYDB.$DAY.gz" mysqldump -u root -p'MYPASSWORD' MYDB | gzip > $TFILE echo "cache dump completed, dump script by rumi (hasan.emdad@mango.com.bd)" Related Read More
Vertical CSS menu August 16, 2009 In this tutorial you will learn the basics of creating simple vertical menus for your website using only HTML /and CSS. Our menus are actually HTML unordered list elements <ul> styled using CSS, giving them background color, margin, padding and other CSS attributives. Related Read More