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Installing Nagios-plugins and NRPE on Centos 5.x
To monitor remote hosts CPU load, disk partitions, processes etc with Nagios, requires to install NRPE and nagios-plugins on the remote host.
This is how I do it...
Nagios-plugins and NRPE is not available from Centos official repositories, so first of all we need to configure RPMforge> repo from where to install the required packages.
Read my previous article before configuring and installing anything from third party repo.
Installing RPMforge on Centos 5.x
Download the rpmforge-release package. Choose one of the two links below, selecting to match your host's architecture. If you are unsure of which one to use you can check your architecture with the command uname -i
x386
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.i386.rpm
x86_64
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.x86_64.rpm
Install the RPMForget key
rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
If key didn't install no worries yum will ask when installing a package from rpmforge repo.
Verify the package you have downloaded
# rpm -K rpmforge-release-0.5.1-1.el5.rf.*.rpm
Install the package
# rpm -ivh rpmforge-release-0.5.1-1.el5.rf.*.rpm
Now everything is setup now you can install nagios-plugins and nrpe packages from RPMforge repo
# yum install nagios-plugins nagios-nrpe
Running NRPE under xinetd
Edit /etc/xinetd.d/nrpe for
disable = no
only_from = 127.0.0.1 NagiosServerIP
Restart xinetd service
# /etc/init.d/xinetd restart
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