诚之和:nagios如何监控linux客户端主机 / 四六文摘

这篇文章主要介绍nagios如何监控linux客户端主机，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

nagios监控linux主机

1.客户端自定义监控服务的插件
cat   /usr/local/nagios/libexec/3.py
#!/usr/bin/env python
#coding=utf-8
import os,sys
(d1, d2, d3) = os.getloadavg()
if d1 >= 5.0:
    print "GETLOADAVG CRITICAL: Load average is %.2f" % (d1)
    sys.exit(2)
elif d1 >= 2.0:
    print "GETLOADAVG WARNING: Load average is %.2f" % (d1)
    sys.exit(1)
else:
#   print "GETLOADAVG OK: Load average is %.2f" % (d1)
    print "负载OK
2.编辑vi /usr/local/nagios/etc/nrpe.cfg   最下面添加
command[check_py]=/usr/local/nagios/libexec/3.py        [check_py]中名字可以随便定义
3.然后到服务器端调用NRPE测试
/libexec/check_nrpe -H 124.193.179.154  -c check_py    #必须和客户端自定义的名字一样

4.在command.cfg里添加外部构件nrpe
     vi /usr/local/nagios/etc/objects/commands.cfg
    添加
     #check nrpe
     define command{
        command_name check_nrpe
        command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$
        }

5.配置被监控主机：
      vim /usr/local/nagios/etc/nagios.cfg
     添加：
cfg_file=/usr/local/nagios/etc/objects/hosts.cfg
cfg_file=/usr/local/nagios/etc/objects/services.cfg
6 编辑配置文件
[root@kimsoo ~]# cat  /usr/local/nagios/etc/objects/hosts.cfg
define host{
          use             linux-server
          host_name     mylinux
          alias          mylinux
          address       121.54.175.238
        }
[root@kimsoo ~]# cat  /usr/local/nagios/etc/objects/services.cfg
define service{
        use                      generic-service
        host_name             mylinux
        service_description     check-load
       check_command         check_nrpe!check_load
               }
define service{
       use                      generic-service
      host_name             mylinux
       service_description     check-users
       check_command        check_nrpe!check_users
               }
define service{
        use                      generic-service
        host_name             mylinux
        service_description   check_total_procs
       check_command         check_nrpe!check_total_procs
               }
7检查配置文件
/usr/local/nagios/bin/nagios -v/usr/local/nagios/etc/nagios.cfg
8、重新加载nagios服务

诚之和:nagios如何监控linux客户端主机

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