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tech:linux:install_nagios_plugin_nrpe_redhat [2014/11/15 09:13] (current)
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 +====== Install Nagios Plugin and NRPE on Redhat ======
 +Prerequisite install
 +  * xinetd
 +  * openssl-devel
 +
 +Redhat 3rd party libraries if added to yum can let you install nrpe via yum.  However, below is an explanation of now to compile this locally.
 +
 +===== Download and Extract files =====
 +Download and copy files to /tmp
 +  * nrpe-2.15.tar.gz
 +  * nagios-plugins-1.5.tar.gz
 +Extract files
 +<code bash>
 +cd /tmp
 +tar zxvf nrpe-2.15.tar.gz
 +tar zxvf nagios-plugins-1.5.tar.gz
 +</​code>​
 +
 +===== Create nagios Account =====
 +<​code>​
 +groupadd nagios
 +useradd -d /​var/​log/​nagios -g nagios -m -p somepassword nagios
 +date|md5sum|cut -b "​1-10"​ | passwd --stdin nagios
 +id nagios
 +</​code>​
 +
 +===== Install the Nagios Plugins =====
 +<​code>​
 +cd nagios-plugins-1.5
 +./configure
 +make
 +make install
 +chown -R nagios:​nagios /​usr/​local/​nagios
 +</​code>​
 +
 +===== Install the NRPE daemon =====
 +<​code>​
 +cd nrpe-2.15
 +./configure
 +make all
 +make install-plugin
 +make install-daemon
 +make install-daemon-config
 +make install-xinetd
 +
 +chown -R nagios:​nagios /​usr/​local/​nagios
 +</​code>​
 +
 +Update nagios server IP address here.  Included additional IP separated by spaces.
 +<​code>​
 +grep only /​etc/​xinetd.d/​nrpe
 +</​code>​
 +
 +Use the following example to replace easily!
 +<​code>​
 +sed -i '​s@only_from ​      = 127.0.0.1@only_from ​      = 127.0.0.1 10.50.60.0/​24 204.67.86.0/​24@'​ /​etc/​xinetd.d/​nrpe
 +</​code>​
 +
 +Add the NRPE daemon to services
 +<​code>​
 +echo "​nrpe ​           5666/​tcp ​               # NRPE" >> /​etc/​services
 +service xinetd restart
 +</​code>​
 +
 +
 +===== Test NRPE daemon =====
 +Check for Listening port
 +<​code>​
 +netstat -at | grep nrpe
 +</​code>​
 +should have output as
 +<​code>​
 +tcp        0      0 *:​nrpe ​                     *:*                         ​LISTEN
 +</​code>​
 +
 +Run the call to service
 +<​code>​
 +/​usr/​local/​nagios/​libexec/​check_nrpe -H 127.0.0.1
 +</​code>​
 +Should return **NRPE v2.15**
 +
 +===== Additional plugins =====
 +Copy any additional plugins to ''/​usr/​local/​nagios/​libexec/''​ such as ''​check_linux_stats.pl''​
 +
 +
 +===== File locations =====
 +Nagios Core, Nagios NRPE Deamon and Nagios Plugin Locations
 +
 +==== Compiled Version ====
 +=== Plugins (executables) ===
 +/​usr/​local/​nagios/​libexec/​check_nrpe
 +
 +=== NRPE Deamon config file (settings) ===
 +/​etc/​xinetd.d/​nrpe
 +
 +=== NRPE Config file (commands) ===
 +/​usr/​local/​nagios/​etc/​nrpe.cfg
 +
 +==== Ubuntu ====
 +=== Core Nagios Monitoring config directory (settings) ===
 +/​etc/​nagios3/​conf.d/​
 +
 +=== Plugin Location (executables) ===
 +/​usr/​lib/​nagios/​plugins
 +
 +==== Redhat ====
 +=== NRPE Config file (commands) ===
 +/​etc/​nagios/​nrpe.cfg
 +=== Plugin Location ===
 +/​usr/​lib64/​nagios/​plugins/​
 +
 +
 +===== Related =====
 +Install ''​Sys:​Statistics:​Linux''​ via CPAN
 +
 +[[http://​search.cpan.org/​~bloonix/​Sys-Statistics-Linux-0.66/​lib/​Sys/​Statistics/​Linux.pm|Sys:​Statistics:​Linux]]
 +
  

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