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Delete check_pf_mem.bak

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Dallas 2018-05-14 10:23:03 -05:00 committed by GitHub
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#!/bin/sh
if [ "$1" = "-w" ] && [ "$2" -gt "0" ] && [ "$3" = "-c" ] && [ "$4" -gt "0" ] ; then
warn=$2
crit=$4
SYSCTL_FILE='/home/nagios/sysctl.temp'
SYSCTL=$(/sbin/sysctl -a > $SYSCTL_FILE)||exit 3
#echo $SYSCTL
TOTAL_MEM=`grep 'hw.physmem:' $SYSCTL_FILE | cut -d":" -f2`
#echo "total mem" $TOTAL_MEM
TOTAL_MEM_MB=`expr $TOTAL_MEM / 1024 / 1024`
#echo "total mem in MB" $TOTAL_MEM_MB
PAGESIZE=`grep 'hw.pagesize:' $SYSCTL_FILE | cut -d":" -f2`
#echo "pagesize" $PAGESIZE
ACTIVE_COUNT=`grep 'vm.stats.vm.v_active_count:' $SYSCTL_FILE | cut -d":" -f2`
#echo "active_count" $ACTIVE_COUNT
MEM_ACTIVE=`expr $ACTIVE_COUNT \* $PAGESIZE`
#echo "mem active" $MEM_ACTIVE
INACTIVE_COUNT=`grep 'vm.stats.vm.v_inactive_count:' $SYSCTL_FILE | cut -d":" -f2`
#echo "inactive_count" $INACTIVE_COUNT
MEM_INACTIVE=`expr $INACTIVE_COUNT \* $PAGESIZE`
#echo "mem inactive" $MEM_INACTIVE
CACHE_COUNT=`grep 'vm.stats.vm.v_cache_count:' $SYSCTL_FILE | cut -d":" -f2`
#echo "cache_count" $CACHE_COUNT
MEM_CACHE=`expr $CACHE_COUNT \* $PAGESIZE`
#echo "mem cache" $MEM_CACHE
FREE_COUNT=`grep 'vm.stats.vm.v_free_count:' $SYSCTL_FILE | cut -d":" -f2`
#echo "free_count" $FREE_COUNT
MEM_FREE=`expr $FREE_COUNT \* $PAGESIZE`
#echo "mem free" $MEM_FREE
FREE_MEM=`expr $MEM_INACTIVE + $MEM_CACHE + $MEM_FREE`
#echo "free mem" $FREE_MEM
#FREE_MEM_KB=`expr $FREE_MEM / 1024`
#echo "free mem in KB" $FREE_MEM_KB
FREE_MEM_MB=`expr $FREE_MEM / 1024 / 1024`
#echo "free mem in MB" $FREE_MEM_MB
USED_MEM=`expr $TOTAL_MEM - $FREE_MEM`
#echo "used mem" $USED_MEM
USED_MEM_MB=`expr $USED_MEM / 1024`
#echo "used mem in MB" $USED_MEM
USED_MEM_PER=`expr $USED_MEM \* 100 / $TOTAL_MEM`
#echo "used mem %" $USED_MEM_PER
if [ $USED_MEM_PER -ge $warn ];then
if [ $USED_MEM_PER -ge $crit ]; then
echo "CRITICAL - Memory Usage = $USED_MEM_PER%|MEM=$USED_MEM_PER;;;;"
exit 2
else
echo "WARNING - Memory Usage = $USED_MEM_PER%|MEM=$USED_MEM_PER;;;;"
exit 1
fi
else
echo "OK - Memory Usage = $USED_MEM_PER%|MEM=$USED_MEM_PER;;;;"
exit 0
fi
else
echo "check_mem.sh - Nagios Plugin for checking memory usage"
echo ""
echo "Usage: check_mem.sh -w <warnlevel> -c <critlevel>"
exit 3
fi