3 if [ "$1" = "-w" ] && [ "$2" -gt "0" ] && [ "$3" = "-c" ] && [ "$4" -gt "0" ]; then
5 memTotal_b=`free -b |grep Mem |awk '{print $2}'`
6 memFree_b=`free -b |grep Mem |awk '{print $4}'`
7 memBuffer_b=`free -b |grep Mem |awk '{print $6}'`
8 memCache_b=`free -b |grep Mem |awk '{print $7}'`
10 memTotal_m=`free -m |grep Mem |awk '{print $2}'`
11 memFree_m=`free -m |grep Mem |awk '{print $4}'`
12 memBuffer_m=`free -m |grep Mem |awk '{print $6}'`
13 memCache_m=`free -m |grep Mem |awk '{print $7}'`
15 memUsed_b=$(($memTotal_b-$memFree_b-$memBuffer_b-$memCache_b))
16 memUsed_m=$(($memTotal_m-$memFree_m-$memBuffer_m-$memCache_m))
18 memUsedPrc=$((($memUsed_b*100)/$memTotal_b))
21 if [ "$memUsedPrc" -ge "$4" ]; then
22 echo "Memory: CRITICAL Total: $memTotal_m MB - Used: $memUsed_m MB - $memUsedPrc% used!|TOTAL=$memTotal_b;;;; USED=$memUsed_b;;;; CACHE=$memCache_b;;;; BUFFER=$memBuffer_b;;;;"
24 elif [ "$memUsedPrc" -ge "$2" ]; then
25 echo "Memory: WARNING Total: $memTotal_m MB - Used: $memUsed_m MB - $memUsedPrc% used!|TOTAL=$memTotal_b;;;; USED=$memUsed_b;;;; CACHE=$memCache_b;;;; BUFFER=$memBuffer_b;;;;"
28 echo "Memory: OK Total: $memTotal_m MB - Used: $memUsed_m MB - $memUsedPrc% used|TOTAL=$memTotal_b;;;; USED=$memUsed_b;;;; CACHE=$memCache_b;;;; BUFFER=$memBuffer_b;;;;"
36 echo "check_mem.sh -w <warnlevel> -c <critlevel>"
38 echo "warnlevel and critlevel is percentage value without %"
40 echo "Copyright (C) 2012 Lukasz Gogolin (lukasz.gogolin@gmail.com)"