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分类: LINUX

2011-11-23 16:00:20

nagios的安装这里已不在累述,参考前文

实现飞信报警,如下设置(下面配置要用到)
飞信报警
1.修改模板文件notify-service-by-fetion
修改contacts.cfg
2.
cp *.so /usr/lib/
mv li* /usr/lib/
修改/usr/local/nagios/etc/objects/commands.cfg
define command {
         command_name    notify-service-by-fetion
         command_line    /usr/local/fx/fetion --mobile=15********* --pwd=********** --to=15********** --msg-utf8="$HOSTADDRESS$ $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ on $LONGDATETIME$" --hide
        }
 这里说明一下fetion的格式:
--mobile=飞信机器人号码
 --pwd=密码
--to=目标手机号码      //该号码必须是飞信机器人的飞信好友
--msg-utf8="信息内容"
--[hide|debug]隐藏/显示发送信息的过程

验证码/root/feixin


1>nagios监控linux主机基本服务
在被监控机上nrpe.cfg确保有如下内容(根据自己主机情况来设定)
allowed_hosts=192.168.20.9
command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10
command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20
command[check_sda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/sda1
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 20% -c 10%

在监控机上,创建mylinux.cfg的配置文件
# vim /usr/local/nagios/etc/objects/mylinux.cfg  如下内容
define host{
           use             linux-server
          host_name     mylinux
          alias            mylinux
          address        192.168.20.13  //被监控机的IP地址
        }
define service{
        use                      generic-service
        host_name             mylinux
        service_description     check-swap
        check_command        check_nrpe!check_swap
               }
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-disk1
       check_command        check_nrpe!check_sda1
    }
define service{
        use                      generic-service
        host_name             mylinux
       service_description     check-disk2
       check_command        check_nrpe!check_sda2
       }
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  total_procs
        check_command     check_nrpe!check_total_procs
}

在nagios.cfg中添加一行
# vim /usr/local/nagios/etc/nagios.cfg
cfg_file=/usr/local/nagios/etc/objects/mylinux.cfg

查看是否有错误:# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

没有错误的话,重启nagios服务:service nagios restart



接下来利用Nagios监控linux服务器的21、80、3306端口状态
然后定义监控时间:配置文件是timeperiods.cfg
1># vim /usr/local/nagios/etc/objects/timeperiods.cfg
可根据自己的需要配置,也可以用nagios安装之后的默认timeperiods.cfg配置文件(这里默认)
define timeperiod{
        timeperiod_name 24x7
        alias           24 Hours A Day, 7 Days A Week
        sunday          00:00-24:00
        monday          00:00-24:00
        tuesday         00:00-24:00
        wednesday       00:00-24:00
        thursday        00:00-24:00
        friday          00:00-24:00
        saturday        00:00-24:00
        }

2>编辑contacts.cfg
# vim /usr/local/nagios/etc/objects/contacts.cfg
define contact {
        contact_name                    mylinux-server               ; Short name of user
        alias                           admin           ; Full name of user
        service_notification_period    24x7
        host_notification_period       24x7
        service_notification_options   w,u,c,r
        host_notification_options       d,u,r
        service_notification_commands notify-service-by-fetion
        host_notification_commands     notify-service-by-fetion
 }

3>手动创建的配置文件contactgroups.cfg,创建一个分组,其格式如下:
# vim /usr/local/nagios/etc/objects/contactgroups.cfg
define contactgroup {
        contactgroup_name       group
        alias   system administrator group
        members mylinux-server
}

4>创建监控服务器各项服务的配置文件,这里用来监控服务端口的状态
# vim /usr/local/nagios/etc/objects/mylinux-server.cfg
define host{
       use             linux-server
       host_name     mylinux-server
       alias            mylinux-server
       address        192.168.20.13  //被监控主机的IP
       contact_groups        group
       check_command              check-host-alive   //宕机就发报警通知
       max_check_attempts         5
       notification_interval      10
       notification_period        24x7
       notification_options        d,u,r
}

define service {
        host_name      mylinux-server
        service_description   check_tcp 80
        check_period          24x7
        max_check_attempts    4
        normal_check_interval 3
        retry_check_interval 2
        contact_groups        group
        notification_interval   10
        notification_period     24x7
        notification_options    w,u,c,r
        check_command           check_tcp!80
        }
define service {
        host_name        mylinux-server
        service_description   check_tcp 21
        check_period          24x7
        max_check_attempts    4
        normal_check_interval 3
        retry_check_interval 2
        contact_groups        group
        notification_interval   10
        notification_period     24x7
        notification_options    w,u,c,r
        check_command           check_tcp!21
        }
define service {
        host_name        mylinux-server
        service_description   check_tcp 3306
        check_period          24x7
        max_check_attempts    4
        normal_check_interval 3
        retry_check_interval 2
        contact_groups        group
        notification_interval   10
        notification_period     24x7
        notification_options    w,u,c,r
        check_command           check_tcp!3306
        }
 
 
define service {
        host_name        mylinux-server
        service_description   check-host-alive
        check_period          24x7
        max_check_attempts    4
        normal_check_interval 3
        retry_check_interval 2
        contact_groups        group
        notification_interval   10
        notification_period     24x7
        notification_options    w,u,c,r
        check_command           check-host-alive
        }

同样在nagios.cfg中添加一行
# vim /usr/local/nagios/etc/nagios.cfg
cfg_file=/usr/local/nagios/etc/objects/mylinux-server.cfg
cfg_file=/usr/local/nagios/etc/objects/contactgroups.cfg

这里我监控了192.168.20.13主机的80、21、3306端口以及主机状态
检查一下配置文件,是否报错:# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
重启nagios服务:service nagios restart


以待后续......
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