Installation and configuration of the Nagios Nrpe client

1.Nrpeinstallation

Create Nagios User

Useradd Nagios

1.1installed by the monitored serverNagiosPlugins

Tar xzvfnagios-plugins-1.4.15.tar.gz

CD nagios-plugins-1.4.15

./configure

Make

Make install

1.2installed by the monitored serverNrpeprogram

Tar xzvf nrpe-2.1.2.tar.gz

CD nrpe-2.1.2

./configure--prefix=/usr/local/nagios

Make all

Make Install-plugin

Make Install-daemon

Make Install-daemon-config

Check for plug-in installation

ll/usr/local/nagios/libexec/

1.3ModifyNrpeconfiguration file, adding the allowedIp

#vi/usr/local/nagios/etc/nrpe.cfg

allowed_hosts=127.0.0.1, 192.169.0.201

Start Nrpe

#/usr/local/nagios/bin/nrpe-c/usr/local/nagios/etc/nrpe.cfg–d

# netstat-plnt |grep Nrpe

TCP 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN 16831/nrpe

1.4join Power-on self-boot

Echo '/usr/local/nagios/bin/nrpe-c/usr/local/nagios/etc/nrpe.cfg-d ' >>/etc/rc.local

1.5in the mainNagiosUpper TestCertificate ClientNrpeis it installed?

[Email protected] src]#/usr/local/nagios/libexec/check_nrpe-h 192.168.1.100

NRPE v2.12

If the version number appears, the installation on behalf of the Nrpe client succeeds.

2MasterNagioscalledNrpeConfiguration2.1editing on the clientNrpeconfiguration file

#vi/usr/local/nagios/etc/nrpe.cfg

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

2.2in the mainNagiosdefine the client host on

#vi/usr/local/nagios/etc/objects/hosts.cfg

Define Host{

Use Linux-server,host-pnp

HOST_NAME HostB

Alias HostB

Address 192.168.1.100

}

2.3in the mainNagiosConfigure services on

#vi/usr/local/nagios/etc/objects/services.cfg

Define Service{

Use Generic-service,srv-pnp

HOST_NAME HostB

Service_description check_users

Check_command check_nrpe!check_users

Max_check_attempts 5

Normal_check_interval 1

}

Define Service{

Use Generic-service,srv-pnp

HOST_NAME HostB

Service_description Check_load

Check_command Check_nrpe!check_load

Max_check_attempts 5

Normal_check_interval 1

}

2.4Restart MasterNagiosService

#/etc/init.d/nagios Checkconfig

#/etc/init.d/nagios restart

2.5 NagiosThe sector faces control

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