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使用nagios 监控
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创建监控对象配置文件 xxx.cfg
加载监控对象配置文件 nagios.cfg
重启nagios服务
登录监控页面
远端主机配置
能正常与监控服务器通信
安装监控插件
安装nrpe
定义监控命令
启动nrpe服务
被监控端
yum -y install openssl-devel
1、安装监控插件
useradd nagios
groupadd nagcmd
usermod -G nagcmd nagios
tar -zxvf nagios-plugins-1.4.14.tar.gz
cd nagios-plugins-1.4.14;
./configure --with-nagios-user=nagios --with-nagios-group=nagcmd && make && make install
2、安装nrpe
tar -zxvf nrpe-2.12.tar.gz
cd nrpe-2.12
./configure && make && make install
make install-plugin
make install-daemon
make install-daemon-config
make install-xinetd
3、定义监控命令
vim /usr/local/nagios/etc/nrpe.cfg
command[check_users]=/usr/local/nagios/libexec/check_users -w 3 -c 5
command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20
command[check_sda2]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/sda2
command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z
command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200
command[check_swap]=/usr/local/nagios/libexec/check_swap -w 40% -c 30%
4、启动nrpe服务
[root@localhost ~]# vim /etc/xinetd.d/nrpe
only_from = 127.0.0.1 xxx.xxx.xxx.xxx #监控端
[root@localhost ~]# vim /etc/services //指定nrpe对应端口
nrpe 5666/tcp #nrpe service
5、重启服务
service xinetd restart
6、 减产nrpe 是否已经运行
cd /usr/local/nagios/libexec
./check_nrpe -H localhost
nagios服务器配置
新建远程主机的公有数据
新建监控对象文件
/usr/local/nagios/etc/objects
cp localhost.cfg s2.cfg
vim s2.cfg
define host{
use linux-server ; Name of host template to use
; This host definition will inherit all variables that are defined
; in (or inherited by) the linux-server host template definition.
host_name s2
alias s2
address 127.0.0.1
}
将其中的localhost 修改为s2
%s/localhost/s2/g
修改address xxx.xxx.xxx.xxx
修改主配置文件 nagios.cfg
vim /usr/local/nagios/etc/nagios.cfg
# Definitions for monitoring the local (Linux) host
cfg_file=/usr/local/nagios/etc/objects/localhost.cfg
cfg_file=/usr/local/nagios/etc/objects/s2.cfg
