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-------------------------------Monitoring Client-------------------------------
成都创新互联公司是一家业务范围包括IDC托管业务,网络空间、主机租用、主机托管,四川、重庆、广东电信服务器租用,中国电信云锦天府,成都网通服务器托管,成都服务器租用,业务范围遍及中国大陆、港澳台以及欧美等多个国家及地区的互联网数据服务公司。Add username for nagios system:
[root@FTP backup]# useradd -s /sbin/nologin nagios
Install the necessary plug-ins:
[root@FTP backup]# tar -xzf nagios-plugins-1.4.16.tar.gz
[root@FTP backup]# cd nagios-plugins-1.4.16
[root@FTP nagios-plugins-1.4.16]# ./configure --sysconfdir=/etc/nagios \
> --with-nagios-user=nagios \
> --with-nagios-group=nagios \
> --prefix=/usr/local/nagios
[root@FTP nagios-plugins-1.4.16]# make
[root@FTP nagios-plugins-1.4.16]# make install
Install the NRPE plugin:
[root@FTP backup]# tar -xzf nrpe-2.12.tar.gz
[root@FTP backup]# cd nrpe-2.12
[root@FTP nrpe-2.12]# ./configure --sysconfdir=/etc/nrpe \
> --with-nrpe-user=nagios \
> --with-nrpe-group=nagios \
> --with-nagios-user=nagios \
> --with-nagios-group=nagios \
> --enable-command-args \
> --enable-ssl
[root@FTP nrpe-2.12]# make all
[root@FTP nrpe-2.12]# make install
[root@FTP nrpe-2.12]# make install-daemon-config
Configure the service port number file:
[root@FTP nrpe-2.12]# vi /etc/services
#Add by Kingcraft nrpe 5666/tcp # NRPE
Configuring the NRPE configuration file:
[root@FTP nrpe-2.12]# vi /etc/nrpe/nrpe.cfg
#Add by Kingcraft server_address=172.17.3.98 allowed_hosts=172.17.3.4 dont_blame_nrpe=1 command[check_procs]=/usr/local/nagios/customexec/check_procs.sh -a $ARG1$ -w $ARG2$ -c $ARG3$
Monitoring plugin:
[root@FTP nrpe-2.12]# mkdir /usr/local/nagios/customexec
[root@FTP nrpe-2.12]# vi /usr/local/nagios/customexec/check_procs.sh
#!/bin/sh #Author:zhai_kang,20131024 COUNT=`ps -ef | grep -v grep | grep $2 | wc -l` PROC=`expr $COUNT - 2` if [[ $PROC -ge $6 ]] then line=`echo "Critical - PROC=$PROC"` RC=2 elif [[ $PROC -ge $4 ]] then line=`echo "Warning - PROC=$PROC"` RC=1 elif [[ $PROC -ge 1 ]] then line=`echo "OK - PROC=$PROC"` RC=0 else line=`echo "Unknown - PROC=null"` RC=3 fi echo $line \| proc=$PROC exit $RC
[root@FTP nrpe-2.12]# chown -R nagios:nagios /usr/local/nagios/customexec/
[root@FTP nrpe-2.12]# chmod +x /usr/local/nagios/customexec/*
Start the nrpe service:
[root@FTP nrpe-2.12]# /usr/local/nagios/bin/nrpe -c /etc/nrpe/nrpe.cfg -d
-------------------------------Monitoring Server-------------------------------
Install the NRPE plugin:
[root@RHEL5 backup]# tar -xzf nrpe-2.12.tar.gz
[root@RHEL5 backup]# cd nrpe-2.12
[root@RHEL5 nrpe-2.12]# ./configure --sysconfdir=/etc/nrpe \
> --with-nrpe-user=nagios \
> --with-nrpe-group=nagios \
> --with-nagios-user=nagios \
> --with-nagios-group=nagios \
> --enable-command-args \
> --enable-ssl
[root@RHEL5 nrpe-2.12]# make all
[root@RHEL5 nrpe-2.12]# make install-plugin
Define the monitoring command:
[root@RHEL5 nrpe-2.12]# cd /etc/nagios/objects/
[root@RHEL5 nrpe-2.12]# vi commands.cfg
#Add by Kingcraft define command{ command_name check_nrpe command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$ -a $ARG2$ $ARG3$ $ARG4$ }
Definition monitor file:
[root@RHEL5 objects]# vi /etc/nagios/Linuxhosts/CSV.cfg
#Add by Kingcraft define host{ use linux-server,host-pnp host_name CSV alias CSV address 172.17.3.98 } define service{ use local-service,srv-pnp host_name CSV service_description check_procs check_command check_nrpe!check_procs!python!2!3 }
Empowering for monitoring files:
[root@RHEL5 objects]# chown nagios:nagios /etc/nagios/Linuxhosts/*
Modify the nagios configuration file:
[root@RHEL5 objects]# vi /etc/nagios/nagios.cfg
#Add by Kingcraft cfg_dir=/etc/nagios/Linuxhosts
Syntax checking:
[root@RHEL5 objects]# /usr/local/nagios/bin/nagios -v /etc/nagios/nagios.cfg
Restart nagios:
[root@RHEL5 objects]# service nagios restart
Verification:
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