http:\/\/nixcraft.com\/shell-scripting\/923-cpu-usage-shell-script-monitoring-cpu-usage.html
\nhttp:\/\/itmission.org\/Main\/Load-alert-bash-script-for-linux-servers<\/p>\n
Here is the script if 15 minutes load goes >= 6.0.<\/p>\n
Code:<\/p>\n
—————————————————————– ————————————————————— ————————————————————– ---------------------------------------------------------------------<\/p>\n * Give exec permission <\/p>\n <\/code> * Now add below in roots cron file \/var\/spool\/cron\/root <\/p>\n * Restart crond <\/p>\n * Check log for errors: <\/p>\n \/var\/log\/cron * Check Mail log <\/p>\n <\/code> if running exim.<\/p>\n","protected":false},"excerpt":{"rendered":" http:\/\/nixcraft.com\/shell-scripting\/923-cpu-usage-shell-script-monitoring-cpu-usage.html http:\/\/itmission.org\/Main\/Load-alert-bash-script-for-linux-servers Here is the script if 15 minutes load goes >= 6.0. Code: —————————————————————– #!\/bin\/bash # Set up limit below NOTIFY=”6.0″ FTEXT=’load average:’ # 15 min F15M=”$(uptime | awk -F “$FTEXT” ‘{ print $2 }’ | cut -d, -f3)” # compare it with last 15 min load average RESULT=$(echo “$F15M > $NOTIFY” | bc)… <\/p>\n
\n
\n#!\/bin\/bash
\n# Set up limit below
\nNOTIFY=\"6.0\"
\nFTEXT='load average:'
\n# 15 min
\nF15M=\"$(uptime | awk -F \"$FTEXT\" '{ print $2 }' | cut -d, -f3)\"
\n# compare it with last 15 min load average
\nRESULT=$(echo \"$F15M > $NOTIFY\" | bc)
\n# if load >= 6.0 create a file \/tmp\/file.txt
\nif [ \"$RESULT\" == \"1\" ]; then
\n echo 'LOAD ISSUE'>\/tmp\/file.txt
\nfi
\n<\/code><\/p>\n
\nLoad alert bash script for Linux Servers
\nAdvanced Server Load Alert Script With Process Status.
\nFile for the script vi \/root\/loadalert
\nGet the process status report through e-mail for server load, you can try to add additional info to the code, to get more info through e-mail.<\/p>\n
\n
\n #!\/bin\/bash
\n #Wednesday, December 06 2006
\n EMAIL=\"your email 1\"
\n EMAIL1=\"your email 2\"
\n SUBJECT=\"Alert $(hostname) load average is $L05\"
\n TEMPFILE=\"\/tmp\/$(hostname)\"
\n echo \"Load average Crossed allowed limit.\" >> $TEMPFILE
\n echo \"Hostname: $(hostname)\" >> $TEMPFILE
\n echo \"Local Date & Time : $(date)\" >> $TEMPFILE
\n echo \"| Uptime status: |\" >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n \/usr\/bin\/uptime >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n echo \"| Top 20 CPU consuming processes: |\" >> $TEMPFILE
\n ps aux | head -1 >> $TEMPFILE
\n ps aux --no-headers | sort -rn +2 | head -20 >> $TEMPFILE
\n echo \"| Top 10 memory-consuming processes: |\" >> $TEMPFILE
\n ps aux --no-headers| sort -rn +3 | head >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n echo \"| Memory and Swap status: |\" >> $TEMPFILE
\n \/usr\/bin\/free -m >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n echo \"| Active network connection: |\" >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n \/bin\/netstat -tnup | grep ESTA >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n echo \"| Disk Space information: |\" >> $TEMPFILE
\n echo \"-------------------------------------------\" >> $TEMPFILE
\n \/bin\/df -h >> $TEMPFILE
\n echo \"-----------------THE END-------------------\" >> $TEMPFILE
\n L05=\"$(uptime|awk '{print $(NF-2)}'|cut -d. -f1)\"
\n if test $L05 -gt 5
\n then
\n mail -s \"$SUBJECT $L05\" \"$EMAIL\" < $TEMPFILE\n mail -s \"$SUBJECT $L05\" \"$EMAIL1\" < $TEMPFILE\n fi\n rm -f $TEMPFILE\n<\/code><\/p>\nchmod +x \/root\/loadalert<\/code><\/p>\n* * * * * \/root\/loadalert >\/dev\/null 2>&1<\/code><\/p>\n\/etc\/init.d\/crond restart<\/code><\/p>\n<\/p>\n\/var\/log\/exim_mainlog<\/code> <\/p>\n