nagios监控自身

nagios 监控自身

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定义监控命令 commands.cfg

vim /usr/local/nagios/etc/objects/commands.cfg

#local_server check-host-alive command definition

define command{

command_namexxx   #定义监控的名字(自定义)

command_linexxx   #定义命令具体实现的功能 $USER1$ = /usr/local/nagios/libexec/ 变量在/usr/local/nagios/etc/resource.cfg中定义

}

#local_server check-host-alive command definition

define command{

command_namecheck-host-alive   

command_line$USER1$/ping  -H  $HOSTADDRESS$  -w  3000.0,80%  -c  5000.0,100%  -p  5

}

定义监控对象 localhost.cfg

Localhost.cfg相当于是一个监控LINUX主机的模板,如果需要监控其他LINUX主机,可以把这个文件复制一份进行修改。

cp localhost.cfg linux.cfg

vim linux.cfg

define host {

use 监控使用的模板

host_name 被监控主机的主机名

alias 被监控主机别名

address 被监控主机IP地址

}

define host{

        use                     linux-server            

        host_name               localhost

        alias                   localhost

        address                 127.0.0.1

        }

use linux-server:加载linux-server的配置(linux-server已在templates.cfg中定义)

use local-service:加载local-service的配置(已在templates.cfg中定义)

查看templates.cfg:

define host{

        name                            linux-server    ; The name of this host template

        use                             generic-host    ; This template inherits other values from the generic-host template

        check_period                    24x7            ; By default, Linux hosts are checked round the clock

        check_interval                  5               ; Actively check the host every 5 minutes

        retry_interval                  1               ; Schedule host check retries at 1 minute intervals

        max_check_attempts              10              ; Check each Linux host 10 times (max)

        check_command                   check-host-alive ; Default command to check Linux hosts

        notification_period             workhours       ; Linux admins hate to be woken up, so we only notify during the day

                                                        ; Note that the notification_period variable is being overridden from

                                                        ; the value that is inherited from the generic-host template!

        notification_interval           120             ; Resend notifications every 2 hours

        notification_options            d,u,r           ; Only send notifications for specific host states

        contact_groups                  admins          ; Notifications get sent to the admins by default

        register                        0               ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!

        }

check_periaod  24X7: 检测的时间段为24X7,24X7在timeperiod.cfg

contact_groups  admins:发通知给admins组,admins组在contacts.cfg中定义

加载监控对戏那个配置文件 nagios.cfg

vim /usr/local/nagios/etc/nagios.cfg

cfg_file=/usr/local/nagios/etc/objects/commands.cfg

cfg_file=/usr/local/nagios/etc/objects/contacts.cfg

cfg_file=/usr/local/nagios/etc/objects/timperiods.cfg

cfg_file=/usr/local/nagios/etc/objects/templates.cfg

cfg_file=/usr/local/nagios/etc/objects/localhost.cfg

检查配置语法是否有误

/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

启动nagios和httpd服务

service httpd restart

service nagios restart

chkconfig httpd on 

chkconfig nagios restart

配置登录页面认证用户

进入WEB页面查看

http://ip/nagios

自定义监控项目

自定义监控对象

监控/boot分区

首先查看commands.cfg

定义监控的分区

vim  localhost.cfg

define service{

        use                     local-service

        host_name               localhost

        service_description     Boot Partition 在nagios Services 中显示的名称

        check_command           check_local_disk!50%!40%!/boot

notifications_enabled 1 是否开启提醒功能。1为开启,0为禁用

}

重启nagios

service  nagios  restart

notifications_enabled


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