Nagios监控LINUX /var/log/message脚本

写的不好轻喷

#! /bin/sh

STATE_OK=0

STATE_WARNING=1

STATE_CRITICAL=2

STATE_UNKNOWN=3

currdate=`date | awk ‘{print $2,"*",$3}‘`

if [ `/usr/bin/sudo tail -20 /var/log/messages | grep "$currdate" | grep -i -E ‘error|fail|offline|suspending‘ | grep -v -E ‘nfs|ftp|sshd|telnet|login|timeout|authentication|cdrom|channel_handler|segfault|rip|rsp‘
|grep -v ‘(No output on stdout) stderr:‘| wc -l` -gt 0 ];then

dmsgtmp=`/usr/bin/sudo tail -20 /var/log/messages | grep "$currdate" | grep -i -E ‘error|fail|offline|suspending‘ | grep -v -E ‘nfs|ftp|sshd|telnet|login|timeout|authentication|cdrom|channel_handler|segfault|rip|rsp‘`

echo "============`date +%Y-%m-%d-%H:%M:%S`==============" >> /home/nagios/sys_error.log

echo "Linux OS log result:" >> /home/nagios/sys_error.log

echo "CRITICAL-$dmsgtmp" >> /home/nagios/sys_error.log

exit $STATE_CRITICAL

fi

if [ `/usr/bin/sudo tail -20 /var/log/messages | grep "$currdate" | grep -i -E ‘error|fail|offline|suspending‘ | grep -v -E ‘nfs|ftp|sshd|telnet|login|timeout|authentication|cdrom|channel_handler|segfault|rip|rsp‘
|grep -v ‘(No output on stdout) stderr:‘| wc -l` -eq 0 ];then

echo "OK"

exit $STATE_OK

fi