Kamran: /* Load monitoring script */

2010-10-16T06:56:43Z

Load monitoring script

← Older revision		Revision as of 06:56, 16 October 2010
Line 10:		Line 10:
	HOSTNAME=$(hostname)		HOSTNAME=$(hostname)
	MAXLOAD=1		MAXLOAD=1
-	MAILINGLIST="kamran@~~wbitt~~.com ~~kamranazeem~~@~~gmail~~.com"	+	MAILINGLIST="kamran@example.com administrator@example.com"
	# ACTUALLOAD=$(uptime \| awk '{print $11}' \| cut -f 1)		# ACTUALLOAD=$(uptime \| awk '{print $11}' \| cut -f 1)
	# http://www.linuxselfhelp.com/howtos/Bash-Prompt/Bash-Prompt-HOWTO-11.html		# http://www.linuxselfhelp.com/howtos/Bash-Prompt/Bash-Prompt-HOWTO-11.html

Kamran: Load average monitoring script

2010-02-21T10:14:51Z

Load average monitoring script

New page

= Load monitoring script =

<pre>
[root@www ~]# cat /root/checkload.sh
#!/bin/bash
# Author: Muhammad Kamran Azeem
# Created: Long ago
# Last revised: 2010-01-24

HOSTNAME=$(hostname)
MAXLOAD=1
MAILINGLIST="kamran@wbitt.com kamranazeem@gmail.com"
# ACTUALLOAD=$(uptime | awk '{print $11}' | cut -f 1)
# http://www.linuxselfhelp.com/howtos/Bash-Prompt/Bash-Prompt-HOWTO-11.html
# Or :-
# uptime | grep -o 'load.*' | awk '{print $3}' | awk -F, '{print $1}'
# Or :-
# uptime | grep -o 'load.*' | awk '{print $3}' | cut -d, -f1

ACTUALLOAD=$(uptime | sed -e "s/.*load average: $.*\...$, .*\..., .*\.../\1/" -e "s/ //g")
if [ "$1" != "" ]; then
ACTUALLOAD=$1
fi

INTEGERLOAD=$(echo ${ACTUALLOAD} | cut -d. -f 1)

if [ ${INTEGERLOAD} -lt ${MAXLOAD} ]; then
uptime
echo "5 minute load average is: ${ACTUALLOAD}, which is normal. (Below defined max value: ${MAXLOAD}.)"
exit 0
fi

echo "5 minute load avaerage is high: ${ACTUALLOAD}. Generating report of top 30 processes. (CPU and MEM.)"

## ps -eo "%C %p %u %U %c %x" |sort -r | head -n 10 > /tmp/load_report

ps -eo pcpu,pmem,pid,ruser,user,comm,stat,time --sort -pcpu,-pmem | head -n 30 > /tmp/load_report.txt
SUBJECT="High load: ${ACTUALLOAD} , on ${HOSTNAME}"
cat /tmp/load_report.txt
cat /tmp/load_report.txt | /bin/mail -s "${SUBJECT}" ${MAILINGLIST}
exit 0

[root@www ~]#
</pre>

LoadMonitoringScript - Revision history

Kamran: /* Load monitoring script */

Kamran: Load average monitoring script