Nagios クライアントインストール

インストール



[root@L1 bozu]# yum install nagios-nrpe

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

 * addons: rsync.atworks.co.jp

 * base: rsync.atworks.co.jp

 * epel: ftp.iij.ad.jp

 * extras: rsync.atworks.co.jp

 * updates: rsync.atworks.co.jp

Setting up Install Process

Resolving Dependencies




> Running transaction check

> Package nrpe.i386 0:2.12-16.el5 set to be updated

> Finished Dependency Resolution

Dependencies Resolved
============================================================================================

 Package            Arch               Version                     Repository          Size

============================================================================================

Installing:

 nrpe               i386               2.12-16.el5                 epel               220 k
Transaction Summary

============================================================================================

Install       1 Package(s)

Upgrade       0 Package(s)
Total download size: 220 k

Is this ok [y/N]: y

Downloading Packages:

nrpe-2.12-16.el5.i386.rpm                                            | 220 kB     00:00

Running rpm_check_debug

Running Transaction Test

Finished Transaction Test

Transaction Test Succeeded

Running Transaction

  Installing     : nrpe                                                                 1/1
Installed:

  nrpe.i386 0:2.12-16.el5
Complete!

[root@L1 bozu]#


[root@L1 bozu]# yum install nagios-plugins-nrpe

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

 * addons: rsync.atworks.co.jp

 * base: rsync.atworks.co.jp

 * epel: ftp.iij.ad.jp

 * extras: rsync.atworks.co.jp

 * updates: rsync.atworks.co.jp

Setting up Install Process

Resolving Dependencies




> Running transaction check

> Package nagios-plugins-nrpe.i386 0:2.12-16.el5 set to be updated

> Processing Dependency: nagios-plugins for package: nagios-plugins-nrpe
> Running transaction check

> Package nagios-plugins.i386 0:1.4.15-2.el5 set to be updated

> Processing Dependency: nagios-common for package: nagios-plugins
> Running transaction check

> Package nagios-common.i386 0:2.12-10.el5 set to be updated

> Finished Dependency Resolution

Dependencies Resolved
============================================================================================

 Package                       Arch           Version                  Repository      Size

============================================================================================

Installing:

 nagios-plugins-nrpe           i386           2.12-16.el5              epel            21 k

Installing for dependencies:

 nagios-common                 i386           2.12-10.el5              epel           9.3 k

 nagios-plugins                i386           1.4.15-2.el5             epel           224 k
Transaction Summary

============================================================================================

Install       3 Package(s)

Upgrade       0 Package(s)
Total download size: 254 k

Is this ok [y/N]: y

Downloading Packages:

(1/3): nagios-common-2.12-10.el5.i386.rpm                            | 9.3 kB     00:00

(2/3): nagios-plugins-nrpe-2.12-16.el5.i386.rpm                      |  21 kB     00:00

(3/3): nagios-plugins-1.4.15-2.el5.i386.rpm                          | 224 kB     00:00






















































































































































































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Total                                                       650 kB/s | 254 kB     00:00

Running rpm_check_debug

Running Transaction Test

Finished Transaction Test

Transaction Test Succeeded

Running Transaction

  Installing     : nagios-common                                                        1/3

  Installing     : nagios-plugins                                                       2/3

  Installing     : nagios-plugins-nrpe                                                  3/3
Installed:

  nagios-plugins-nrpe.i386 0:2.12-16.el5
Dependency Installed:

  nagios-common.i386 0:2.12-10.el5            nagios-plugins.i386 0:1.4.15-2.el5
Complete!

[root@L1 bozu]#

監視サーバからアクセスが出来るようにします。



[root@L1 bozu]# vi /etc/nagios/nrpe.cfg

 

     77 # NOTE: This option is ignored if NRPE is running under either inetd or xinetd

     78

     79 ##allowed_hosts=127.0.0.1

     80 allowed_hosts=10.83.62.202

     81

起動



[root@L1 bozu]# /sbin/service nrpe start

Starting nrpe:                                             [  OK  ]

[root@L1 bozu]# /sbin/chkconfig nrpe on

監視設定



[root@L1 bozu]# vi /etc/nagios/nrpe.cfg
    197 # The following examples use hardcoded command arguments...

    198

    199 command[check_users]=/usr/lib/nagios/plugins/check_users -w 5 -c 10

    200 command[check_load]=/usr/lib/nagios/plugins/check_load -w 15,10,5 -c 30,25,20

    201 command[check_hda1]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/hda1

    202 command[check_zombie_procs]=/usr/lib/nagios/plugins/check_procs -w 5 -c 10 -s Z

    203 command[check_total_procs]=/usr/lib/nagios/plugins/check_procs -w 150 -c 200

    204

/dev/hda1など結構細かい指定が必要です。

監視サーバ側の設定です。

[root@L2 nagios]# vi /etc/nagios/servers/L1.cfg

define host{
use L-servers
host_name L1
alias L1
address 10.83.62.201
}
define service{
use local-service
host_name L1
service_description PING
check_command check_ping!100.0,20%!500.0,60%
}

# nrpe - check crond
define service{
use local-service
normal_check_interval 10
notification_interval 30
host_name L1
service_description nrpe - procs
check_command check_nrpe!check_total_procs
}

# nrpe - check sshd
define service{
use local-service
normal_check_interval 10
notification_interval 30
host_name L1
service_description nrpe - load
check_command check_nrpe!check_load
}

define service{
use local-service
normal_check_interval 10
notification_interval 30
host_name L1
service_description nrpe - disk
check_command check_nrpe!check_hda2
}