nagios core 4.4.1升级 4.4.3

Nagios Core provides the central monitoring engine and a web interface for viewing current status, historical logs, and basic reports.

nagios每隔一段时间就会有新版本，会提供新功能也会修复bug.注意升级会覆盖原来的配置。

1、下载
https://www.nagios.org/downloads/nagios-core/thanks/?t=1426844202
2019-01-15 Latest stable release
wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.3.tar.gz
2017-04-19 Latest stable release
wget https://nagios-plugins.org/download/nagios-plugins-2.2.1.tar.gz
2017-09-01 Last Release Date
https://assets.nagios.com/downloads/nagiosxi/agents/linux-nrpe-agent.tar.gz
https://github.com/NagiosEnterprises/nrpe/releases/download/nrpe-3.2.1/nrpe-3.2.1.tar.gz

2、如果第一次安装nagios需要创建user和group
#!/bin/bash

/usr/sbin/useradd -m nagios
/usr/sbin/groupadd nagcmd
/usr/sbin/usermod -a -G nagcmd nagios
/usr/sbin/usermod -a -G nagcmd www

export NAGIOS=/opt/nagios
cd $NAGIOS

3、安装

tar zxf untar/nagios-4.4.3.tar.gz
pushd nagios-4.4.3
./configure --prefix=/usr/local/nagios --with-command-group=nagcmd
make all;
make install 安装主程序和share页面
make install-init 安装/etc/init.d/nagios
make install-commandmode
make install-config 这步骤不需要
popd

4、vi ins_nrpe.sh
#!/bin/sh
today=`date +%Y%m%d%H%M`
VER=`uname -r|awk -F\. '{print $6}'`
yum -y install xinetd openssl-devel

sed -i '/nagios/d' /etc/passwd
sed -i '/nagios/d' /etc/group
/usr/sbin/useradd -s /sbin/nologin -d /usr/local/nagios nagios

tar zxf nagios-plugins-2.2.1.tar.gz
pushd nagios-plugins-2.2.1
./configure && make && make install
popd

chown nagios.nagios /usr/local/nagios && chown -R nagios.nagios /usr/local/nagios/libexec
if [ -f /usr/local/nagios/etc/nrpe.cfg ];then
/bin/cp -f /usr/local/nagios/etc/nrpe.cfg /usr/local/nagios/etc/nrpe.cfg_$today
fi

tar zxf nrpe-3.2.1.tar.gz
pushd nrpe-3.2.1
./configure && make all && make install-plugin && make install-daemon && make install-config
popd

sed -i '/nrpe/d' /etc/services
cat >> /etc/services << ! nrpe 5666/tcp # nrpe ! /bin/cp -f nrpe /etc/xinetd.d sed -i '/^command/d' /usr/local/nagios/etc/nrpe.cfg sed -i '/hardcoded/r nrpe.txt' /usr/local/nagios/etc/nrpe.cfg case "$VER" in el4|el5|el6) /etc/init.d/xinetd restart && exit 0 ;; el7) systemctl enable xinetd && systemctl start xinetd && exit 0 ;; *) exit 2 esac ~

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