同理添加要监控的服务配置到service.cfg

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vi service.cfg

define service {

use generic-service

host_name 197-etiantian-1-1

service_description Current Load

check_command check_nrpe!check_load

max_check_attempts 2

normal_check_interval 4

retry_check_interval 4

check_period 24x7

notification_interval 1440

notification_period 24x7

notification_options w,u,c,r

contact_groups admins

process_perf_data 1

}

define service {

use generic-service

host_name 197-etiantian-1-1

service_description MEM Useage

check_command check_nrpe!check_mem

max_check_attempts 2

normal_check_interval 4

retry_check_interval 4

check_period 24x7

notification_interval 1440

notification_period 24x7

notification_options w,u,c,r

contact_groups admins

process_perf_data 1

}

define service {

use generic-service

host_name 197-etiantian-1-1

service_description Swap Useage

check_command check_nrpe!check_swap

max_check_attempts 10

normal_check_interval 3

retry_check_interval 4

check_period 24x7

notification_interval 480

notification_period workhours

notification_options w,u,c,r

contact_groups admins

process_perf_data 1

}

define service {

use generic-service

host_name 197-etiantian-1-1

service_description Disk Partition

check_command check_nrpe!check_disk

max_check_attempts 8

normal_check_interval 3

retry_check_interval 2

check_period 24x7

notification_interval 360

notification_period 24x7

notification_options w,u,c,r

contact_groups admins

process_perf_data 1

}

define service {

use generic-service

host_name 197-etiantian-1-1

service_description Disk Iostat

check_command check_nrpe!check_iostat!5!11

max_check_attempts 2

normal_check_interval 4

retry_check_interval 4

check_period 24x7

notification_interval 1440

notification_period 24x7

notification_options w,u,c,r

contact_groups admins

process_perf_data 1

}

#注*:

1.以上service.cfg中添加了对磁盘分区、Load、Mem、Swap、磁盘io的监控

2.以上hots.cfg及service的内容的详细解释见附录八

 

 

若此时执行如下检查nagios语法命令：

检查语法：

/etc/init.d/nagios checkconfig

会发现报错：

Checking services...

Error: Service check command'check_nrpe'specified in service 'Swap Useage' for host '197-etiantian-1-1' not

defined anywhere!

省略若干。。

Total Warnings: 0

Total Errors: 5

根据错误提示，我们可以知道，是check_nrpe插件没有定义导致。

 

#注意没有出现

Total Warnings: 0

Total Errors: 5

而是出现的

[root@linux objects]# /etc/init.d/nagios checkconfig

Running configuration check...

Nagios Core 3.2.0

……………………….

Processing object config file '/usr/local/nagios/etc/objects/commands.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/contacts.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/timeperiods.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/templates.cfg'...

Processing object config directory '/usr/local/nagios/etc/commands'...

Error: Could not open config directory '/usr/local/nagios/etc/commands' for reading.

………………………….

 CONFIG ERROR! Check your Nagios configuration.

#配置文件没有改IP

 

 

 

需要在commands.cfg中加入check_nrpe的插件配置

#vi commands.cfg 进入后按shift+g切到结尾加入下面内容。

# 'check_nrpe' command definition

define command{

command_name check_nrpe

command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$

}

此时重新执行检查语法命令：

检查语法：

/etc/init.d/nagios checkconfig

Total Warnings: 0

Total Errors: 0

注*:修改配置不需要restart

 

打开网页会出现

It appears as though you do not have permission to view information for any of theservices you requested...

解决方法

[root@nagiosserver objects]#cd /usr/local/nagios/etc

[root@nagiosserver objects]#vi cgi.cfg +119

#把在1.6节建立的用户oldboy加到后面，注意用逗号隔开。

#default_user_name=oldboy

authorized_for_system_information=nagiosadmin,oldboy

authorized_for_configuration_information=nagiosadmin,oldboy

authorized_for_system_commands=nagiosadmin,oldboy

authorized_for_all_services=nagiosadmin,oldboy

authorized_for_all_hosts=nagiosadmin,oldboy

authorized_for_all_service_commands=nagiosadmin,oldboy

authorized_for_all_host_commands=nagiosadmin,oldboy

 

 

记得reload nagios命令为：/etc/init.d/nagios reload

 

 

 

增加从nagios服务器端发起的监控：如url地址，端口监控

1.添加要监控的服务配置到service.cfg

########check url

#check_weburl (http://blog.etiantian.org) 197-etiantian-1-1

define service{

use generic-service

host_name 197-etiantian-1-1

service_description blog_url

check_command check_weburl!-H blog.etiantian.org

max_check_attempts 3

normal_check_interval 2

retry_check_interval 1

check_period 24x7

notification_interval 30

notification_period 24x7

notification_options w,u,c,r

contact_groups admins

}

#check_weburl(http://blog.etiantian.org/oldboy/) 197-etiantian-1-1

define service{

use generic-service

host_name 197-etiantian-1-1

service_description blog_oldboy_url

check_command check_weburl!-H blog.etiantian.org -u /oldboy/

max_check_attempts 3

normal_check_interval 2

retry_check_interval 1

check_period 24x7

notification_interval 30

notification_period 24x7

notification_options w,u,c,r

contact_groups admins

}

#请注意看以上监控URL的不同

#如果你的机器没有blog.etiantian.org的WEB配置， 可以直接用我的博客的公网地址

http://blog.etiantian.org/oldboy/，这样下面就不需要本地解析了。

 

 

检查语法：

/etc/init.d/nagios checkconfig

会发现报错：

Checking services...

Error: Service check command'check_weburl'specified in service 'blog_oldboy_url' for host '197-etiantian-1-1' not defined

anywhere!

Error: Service check command'check_weburl'specified in service 'blog_url' for host '197-etiantian-1-1' not defined anywhere!

…省略若干…

Total Warnings: 0

Total Errors: 2

根据错误可以知道，是check_weburl插件没有定义导致。

 

 

 

、需要在commands.cfg中加入check_weburl的插件配置

# 'check_weburl' command definition

define command{

command_name check_weburl

command_line $USER1$/check_http $ARG1$ -w 10 -c 30

}

注意还要添加本地监控的插件：

# 'check_mem' command definition

define command{

command_name check_mem

command_line $USER1$/check_mem -w $ARG1$ -c $ARG2$

}

# 'check_load' command definition

define command{

command_name check_load

command_line $USER1$/check_load -w $ARG1$ -c $ARG2$

#command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$

}

# 'check_disk' command definition

define command{

command_name check_disk

command_line $USER1$/check_disk -w $ARG1$ -c $ARG2$ -p $ARG3$

}

注意：以上三个插件命令没加也是正常的，这点有空偶在细看看。

 

如果是测试，注意在nagios服务器端的/etc/hosts下加

192.168.1.106 blog.etiantian.org

192.168.1.107 www.etiantian.org

 

检查语法：

/etc/init.d/nagios checkconfig

Total Warnings: 0

Total Errors: 0

使配置文件生效命令/etc/init.d/nagios reload

文章名称：nagios监控（三）
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