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监控Web服务:

在window server2003上安装IIS

然后我们在nagios上做配置

命令配置里面默认有http

define command{

       command_name    check_http

       command_line    $USER1$/check_http -I $HOSTADDRESS$ $ARG1$

       }

配置主机和服务，主机之前已经配置好了，所以我们添加一个服务就可以

[nagios@node4 ~]$ cd/usr/local/nagios/etc/objects/

[nagios@node4objects]$ vim windows.cfg

define service{

       use                     generic-service

       host_name               winserver

       service_description     Web_server

       check_command           check_http

       }

重启nagios服务

[root@node4 objects]#service nagios restart

Running configurationcheck...done.

Stopping nagios:done.

Starting nagios:done.

然后现在我们在nagios管理界面上看到新加入的web服务了

监控MySQL服务

在node4上安装mysql-server

# yum install mysql-server -y

启动mysqld服务

# service mysqldstart

Initializing MySQLdatabase:  Installing MySQL systemtables...

OK

Filling helptables...

OK

To start mysqld atboot time you have to copy

support-files/mysql.serverto the right place for your system

PLEASE REMEMBER TOSET A PASSWORD FOR THE MySQL root USER !

To do so, start theserver, then issue the following commands:

/usr/bin/mysqladmin-u root password 'new-password'

/usr/bin/mysqladmin-u root -h node4.example.com password 'new-password'

Alternatively you canrun:

/usr/bin/mysql_secure_installation

which will also giveyou the option of removing the test

databases andanonymous user created by default.  Thisis

strongly recommendedfor production servers.

See the manual formore instructions.

You can start theMySQL daemon with:

cd /usr ;/usr/bin/mysqld_safe &

You can test theMySQL daemon with mysql-test-run.pl

cd /usr/mysql-test ;perl mysql-test-run.pl

Please report anyproblems with the /usr/bin/mysqlbug script!

                                                         [  OK  ]

Starting mysqld:                                          [  OK  ]

# chkconfig mysqld on

然后给mysql设置管理员密码

# mysqladmin -u root -p password wiker #修改密码为wiker

Enter password:  #直接回车，默认的root密码是空

[root@node4 ~]# mysql -u root -pwiker #测试下登陆

Welcome to the MySQLmonitor.  Commands end with ; or \g.

Your MySQL connectionid is 11

Server version:5.1.52 Source distribution

Copyright (c) 2000,2010, Oracle and/or its affiliates. All rights reserved.

This software comeswith ABSOLUTELY NO WARRANTY. This is free software,

and you are welcometo modify and redistribute it under the GPL v2 license

Type 'help;' or '\h'for help. Type '\c' to clear the current input statement.

mysql> showdatabases;

+--------------------+

| Database           |

+--------------------+

| information_schema|

| mysql              |

| test               |

+--------------------+

3 rows in set (0.01sec)

但是我们发现我们没有check_mysql这个插件：

[root@node4 libexec]#pwd

/usr/local/nagios/libexec

[root@node4 libexec]#ls

check_apt           check_imap         check_pop

check_breeze        check_ircd         check_procs

check_by_ssh        check_load         check_real

check_clamd         check_log          check_rpc

check_cluster       check_mailq        check_sensors

check_dhcp          check_mrtg         check_smtp

check_dig           check_mrtgtraf     check_ssh

check_disk          check_nagios       check_swap

check_disk_smb      check_nntp         check_tcp

check_DNS           check_nrpe         check_time

check_dummy         check_nt           check_udp

check_file_age      check_ntp          check_ups

check_flexlm        check_ntp_peer     check_users

check_ftp           check_ntp_time     check_wave

check_http          check_nwstat       negate

check_icmp          check_oracle       process_perfdata.pl

check_ide_smart     check_overcr       urlize

check_ifoperstatus  check_ping         utils.pm

check_ifstatus      check_pnp_rrds.pl  utils.sh

因为check_mysql这个插件需要依赖mysql-devel包才能生效，所以我们需要安装这个包，然后重新编译nagios的插件

# yum installmysql-devel -y

[root@node4nagios-plugins-1.5]#  ./configure--with-nagios-user=nagios --with-nagios-group=nagios

[root@node4nagios-plugins-1.5]# make ; make install

[root@node4nagios-plugins-1.5]# cd /usr/local/nagios/libexec/

[root@node4 libexec]#ls

check_apt           check_load         check_real

check_breeze        check_log          check_rpc

check_by_ssh        check_mailq        check_sensors

check_clamd         check_mrtg         check_simap

check_cluster       check_mrtgtraf     check_smtp

check_dhcp          check_mysql        check_spop

check_dig           check_mysql_query  check_ssh

check_disk          check_nagios       check_ssmtp

check_disk_smb      check_nntp         check_swap

check_dns           check_nntps        check_tcp

check_dummy         check_nrpe         check_time

check_file_age      check_nt           check_udp

check_flexlm        check_ntp          check_ups

check_ftp           check_ntp_peer     check_users

check_http          check_ntp_time     check_wave

check_icmp          check_nwstat       negate

check_ide_smart     check_oracle       process_perfdata.pl

check_ifoperstatus  check_overcr       urlize

check_ifstatus      check_ping         utils.pm

check_imap          check_pnp_rrds.pl  utils.sh

check_ircd          check_pop

check_jabber        check_procs

首先我们定义commands

[root@node4 libexec]#cd /usr/local/nagios/etc/objects/

[root@node4 objects]#vim commands.cfg

define  command {

      command_name    check_mysql

      command_line    $USER1$/check_mysql -H $HOSTADDRESS$ -u$ARG1$ -p $ARG2$

}

然后定义主机上的服务

[root@node4 objects]#vim localhost.cfg

define service{

       use                            local-service,services-pnp

       host_name                       localhost

       service_description             Mysql-server

       check_command                   check_mysql!root!wiker

       }

然后检查语法

[root@node4 objects]#/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

……………………………………..

Total Warnings: 0

Total Errors:   0

然后重启nagios服务

[root@node4 objects]#service nagios restart

Running configurationcheck...done.

Stopping nagios:done.

Starting nagios:done.

然后进入nagios界面，你就会看到我们加入的mysql服务

本文名称：Nagios添加服务监控
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