Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
Next revision Both sides next revision
tutorial:adm:server_monitoring [2019/03/25 15:02]
fiserp [Monitoring of server with CzechIdM] 		tutorial:adm:server_monitoring [2019/03/26 12:51]
fiserp ↷ Page moved from priv:navrh:server_monitoring to tutorial:adm:server_monitoring
Line 35: Line 35:
   * NRPE daemon will listen on 5666\tcp (its default port). Open the port in your iptables by adding the rule: ''-A INPUT -m state --state ESTABLISHED,RELATED -p tcp --dport 5666 -j ACCEPT''.   * NRPE daemon will listen on 5666\tcp (its default port). Open the port in your iptables by adding the rule: ''-A INPUT -m state --state ESTABLISHED,RELATED -p tcp --dport 5666 -j ACCEPT''.
   * All probes are located in their default installation location ''/usr/lib64/nagios/plugins/''.   * All probes are located in their default installation location ''/usr/lib64/nagios/plugins/''.
-  * We use one external probe check\_mem which can be downloaded here: [[https://exchange.nagios.org/directory/Plugins/System-Metrics/Memory/check_mem-2Esh/details]]. This probe, however, returns bad results on RHEL7 because of the different meaning of the ''free'' command output. The fixed version is: +  * We use one external probe check\_mem which can be downloaded here: [[https://exchange.nagios.org/directory/Plugins/System-Metrics/Memory/check_mem-2Esh/details]]. This probe, however, returns bad results on RHEL7 because of the different meaning of the ''free'' command output. You can dowload the fixed version from [[https://github.com/bcvsolutions/czechidm-monitoring/blob/master/nagios-plugins/check_mem/check_mem|here]].
-<file bash check_mem> +
-#!/bin/bash +
- +
-# Original (GPL-licensed) version https://exchange.nagios.org/directory/Plugins/System-Metrics/Memory/check_mem-2Esh/details +
-# Modified for CentOS7/RHEL7 - Petr Fiser, BCV solutions s.r.o. +
-if [ "$1" = "-w" ] && [ "$2" -gt "0" ] && [ "$3" = "-c" ] && [ "$4" -gt "0" ]; then +
- +
-        memTotal_b=`free -b |grep Mem |awk '{print $2}'` +
-        memFree_b=`free -b |grep Mem |awk '{print $4}'` +
-        memBuffer_b=`free -b |grep Mem |awk '{print $6}'` +
- +
-        memTotal_m=`free -m |grep Mem |awk '{print $2}'` +
-        memFree_m=`free -m |grep Mem |awk '{print $4}'` +
-        memBuffer_m=`free -m |grep Mem |awk '{print $6}'` +
- +
-        memUsed_b=$(($memTotal_b-$memFree_b-$memBuffer_b)) +
-        memUsed_m=$(($memTotal_m-$memFree_m-$memBuffer_m)) +
- +
-        memUsedPrc=$((($memUsed_b*100)/$memTotal_b)) +
- +
- +
-        if [ "$memUsedPrc" -ge "$4" ]; then +
-                echo "Memory: CRITICAL Total: $memTotal_m MB - Used: $memUsed_m MB - $memUsedPrc% used!|TOTAL=$memTotal_b;;;; USED=$memUsed_b;;;; BUFFER=$memBuffer_b;;;;" +
-                $(exit 2) +
-        elif [ "$memUsedPrc" -ge "$2" ]; then +
-                echo "Memory: WARNING Total: $memTotal_m MB - Used: $memUsed_m MB - $memUsedPrc% used!|TOTAL=$memTotal_b;;;; USED=$memUsed_b;;;; BUFFER=$memBuffer_b;;;;" +
-                $(exit 1) +
-        else +
-                echo "Memory: OK Total: $memTotal_m MB - Used: $memUsed_m MB - $memUsedPrc% used|TOTAL=$memTotal_b;;;; USED=$memUsed_b;;;; BUFFER=$memBuffer_b;;;;" +
-                $(exit 0) +
-        fi +
- +
-else +
-        echo "check_mem v1.1" +
-        echo "" +
-        echo "Usage:" +
-        echo "check_mem.sh -w <warnlevel> -c <critlevel>" +
-        echo "" +
-        echo "warnlevel and critlevel is percentage value without %" +
-        echo "" +
-        echo "Copyright (C) 2012 Lukasz Gogolin (lukasz.gogolin@gmail.com)" +
-        exit +
-fi +
-</file>+
  
 **Deployment** **Deployment**
  • by urbanl