nagios客户端安装：
nagios客户端安装：环境准备和服务端相差无几，按照服务端的准备即可，但无需lamp 环境；
！！！安装插件nagios-plugins-1.4.16.tar.gz 、nrpe-2.12.tar.gz 与服务端一致
#安装一个系统性能的命令
yum install sysstat -y
#安装监控的插件
tar zxf Params-Validate-0.91.tar.gz
cd Params-Validate-0.91
perl Makefile.PL
make
make install
tar zxvf Class-Accessor-0.31.tar.gz
cd Class-Accessor-0.31
perl Makefile.PL
make
make install
cd ../
tar zxvf Config-Tiny-2.12.tar.gz
cd Config-Tiny-2.12
perl Makefile.PL
make
make install
cd ../
tar zxvf Math-Calc-Units-1.07.tar.gz
cd Math-Calc-Units-1.07
perl Makefile.PL
make
make install
cd ..
tar zxvf Regexp-Common-2010010201.tar.gz
cd Regexp-Common-2010010201
perl Makefile.PL
make
make install
cd ..
tar zxvf Nagios-Plugin-0.34.tar.gz
cd Nagios-Plugin-0.34
perl Makefile.PL
make
make install
cd ../
拷贝插件到libexec cp -apcheck_memory.pl/usr/local/nagios/libexec/
cp -ap check_iostat/usr/local/nagios/libexec/
#见附件
授权
chmod 755 /usr/local/nagios/libexec/check_memory.pl
chmod 755 /usr/local/nagios/libexec/check_iostat
编辑配置文件nrpe
备份：cp /usr/local/nagios/etc/nrpe.cfg /usr/local/nagios/etc/nrpe.cfg.ori
sed -i '199,203d' /usr/local/nagios/etc/nrpe.cfg
添加基本插件调用
echo "command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,6 -c 30,25,20">>/usr/local/nagios/etc/nrpe.cfg
echo "command[check_mem]=/usr/local/nagios/libexec/check_memory.pl -w 6% -c 3%">>/usr/local/nagios/etc/nrpe.cfg
echo "command=/usr/local/nagios/libexec/check_disk -w 20% -c 8% -p /">>/usr/local/nagios/etc/nrpe.cfg
echo "command=/usr/local/nagios/libexec/check_swap -w 20% -c 10%">>/usr/local/nagios/etc/nrpe.cfg
echo "command=/usr/local/nagios/libexec/check_iostat -w 6 -c 10">>/usr/local/nagios/etc/nrpe.cfg
启动nrpe
/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
#-c 指定配置文件 -d 后台启动
echo "/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d">>/etc/rc.local
#设置开机自启动
ss -anp | grep 5666
#查看端口
客户端安装、配置完毕
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