Setting up NRPE on Debian server » History » Revision 2
Revision 1 (Jamila Khan, 08/19/2014 04:56 PM) → Revision 2/6 (Jamila Khan, 08/19/2014 05:09 PM)
h1. Setting up NRPE on Debian server
{{>toc}}
Process:
h2. on client server
h3. Install NRPE
<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>
Add a NRPE test check and a in this instance I'm adding disk check. 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/root
</pre>
h3. restart service
<pre> /dev/mapper/vg_octavia0-root
service nagios-nrpe-server restart command[check_disk_tmp]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-tmp
</pre>
h2. on monitoring server
h3. test connection
On Nagios/Icinga server test that that worked:
<pre> command[check_disk_var]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-var
/usr/lib/nagios/plugins/check_nrpe -H clientserveruri.com command[check_disk_mysql]=/usr/lib/nagios/plugins/check_disk -w 20% -c check_nrpe_daemon 10% -p /dev/mapper/vg_octavia0-var+lib+mysql
NRPE OK command[check_disk_home]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/vg_octavia0-home
</pre>
h3. set up checks.
example service config file
<pre>
###############################################################################
###############################################################################
#
# SERVICE DEFINITIONS
#
###############################################################################
###############################################################################
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description SSH
check_command check_ssh
}
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description HTTP
check_command check_http
}
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description Users
check_command check_nrpe_1arg!check_users
}
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description Load
check_command check_nrpe_1arg!check_load
}
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description Zombie Processes
check_command check_nrpe_1arg!check_zombie_procs
}
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description Total Processes
check_command check_nrpe_1arg!check_total_procs
}
define service{
use generic-service ; Inherit default values from a template
host_name clientserver
service_description Disk Space /root
check_command check_nrpe_1arg!check_disk_root
}
</pre>
sources:
http://xmodulo.com/2014/03/nagios-remote-plugin-executor-nrpe-linux.html
https://wiki.icinga.org/display/howtos/Setting+up+NRPE+with+Icinga
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