h1. Setting up NRPE on Debian server

{{>toc}}

Process:

h3. Install 

<pre>
aptitude install nagios-nrpe-server nagios-plugins-basic
</pre>

h3. Edit config file

<pre>
vim /etc/nagios/nrpe.cfg
</pre>

* Add IP_v4_of_Nagios_server to allowed_hosts

h3. start service

<pre>
service nagios-nrpe-server restart
</pre>

h3. check that service is running

<pre>
netstat -tpln | grep 5666
</pre>

h3. edit local config to add specified checks

<pre>
vim /etc/nagios/nrpe_local.cfg
</pre>

in this instance I'm adding disk checks for all the disks

<pre>
0 octavia:/etc/nagios# cat nrpe_local.cfg 
######################################
# Do any local nrpe configuration here
######################################

command[check_nrpe_daemon]=/bin/echo "NRPE OK"

# disk checks
command[check_disk_root]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-root
command[check_disk_tmp]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-tmp
command[check_disk_var]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-var
command[check_disk_mysql]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-var+lib+mysql
command[check_disk_home]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-home
</pre>



http://xmodulo.com/2014/03/nagios-remote-plugin-executor-nrpe-linux.html
https://wiki.icinga.org/display/howtos/Setting+up+NRPE+with+Icinga