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tutorial:adm:server_monitoring [2019/03/25 11:32] fiserp [Implementation] |
tutorial:adm:server_monitoring [2019/03/25 15:50] fiserp [Implementation] |
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This page will show you how to set up basic monitoring of server with CzechIdM using Nagios NRPE. It is very useful to store monitored values for trend overview (e.g. with Munin). Some monitoring systems (like Zabbix) can store trends and monitor services at once. It is also practical to install '' | This page will show you how to set up basic monitoring of server with CzechIdM using Nagios NRPE. It is very useful to store monitored values for trend overview (e.g. with Munin). Some monitoring systems (like Zabbix) can store trends and monitor services at once. It is also practical to install '' | ||
- | < | + | < |
**Typical CzechIdM server** | **Typical CzechIdM server** | ||
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* NRPE daemon will listen on 5666\tcp (its default port). Open the port in your iptables by adding the rule: '' | * NRPE daemon will listen on 5666\tcp (its default port). Open the port in your iptables by adding the rule: '' | ||
* All probes are located in their default installation location ''/ | * All probes are located in their default installation location ''/ | ||
- | * We use one external probe check\_mem which can be downloaded here: [[https:// | + | * We use one external probe check\_mem which can be downloaded here: [[https:// |
- | <file bash check_mem> | + | |
- | # | + | |
- | + | ||
- | # Original (GPL-licensed) version | + | |
- | # Modified for CentOS7/RHEL7 - Petr Fiser, BCV solutions s.r.o. | + | |
- | if [ " | + | |
- | + | ||
- | memTotal_b=`free -b |grep Mem |awk ' | + | |
- | memFree_b=`free -b |grep Mem |awk ' | + | |
- | memBuffer_b=`free -b |grep Mem |awk ' | + | |
- | + | ||
- | memTotal_m=`free -m |grep Mem |awk ' | + | |
- | memFree_m=`free -m |grep Mem |awk ' | + | |
- | memBuffer_m=`free -m |grep Mem |awk ' | + | |
- | + | ||
- | memUsed_b=$(($memTotal_b-$memFree_b-$memBuffer_b)) | + | |
- | memUsed_m=$(($memTotal_m-$memFree_m-$memBuffer_m)) | + | |
- | + | ||
- | memUsedPrc=$((($memUsed_b*100)/ | + | |
- | + | ||
- | + | ||
- | if [ " | + | |
- | echo " | + | |
- | $(exit 2) | + | |
- | elif [ " | + | |
- | echo " | + | |
- | $(exit 1) | + | |
- | else | + | |
- | echo " | + | |
- | $(exit 0) | + | |
- | fi | + | |
- | + | ||
- | else | + | |
- | echo " | + | |
- | echo "" | + | |
- | echo " | + | |
- | echo " | + | |
- | echo "" | + | |
- | echo " | + | |
- | echo "" | + | |
- | echo " | + | |
- | exit | + | |
- | fi | + | |
- | </ | + | |
**Deployment** | **Deployment** |