Nagios

Description

A host/service/network monitoring and management system.

Usage

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Configuration - Server

Documentation: http://jeremy.ps.uni-saarland.de/nagios3/docs/config.html

/etc/nagios3/

{{{ mkdir /etc/nagios3/conf.d/pslab cd /etc/nagios3/conf.d/pslab touch {contact{group,}s,{check,misc}commands,timeperiods,host{group,}s,services}.cfg chmod -R o+r+X /etc/nagios3/conf.d/pslab}}}

/etc/nagios3/nagios3.conf

{{{-date_format=iso8601 +date_format=strict-iso8601}}}

/etc/apache2/conf.d/nagios3.conf -> /etc/nagios3/apache2.conf

{{{- Order Allow,Deny - Allow From All + Order Deny,Allow + Deny from All + Allow from 127.0.0.1 + Allow from 134.96.186.0/24}}}

Configuration - Client

Workaround for debian bug #411046

# /etc/init.d/nagios-nrpe-server stop
Stopping nagios-nrpe: nagios-nrpe.
# mkdir /var/run/nagios; chown nagios:nagios /var/run/nagios
# rm /var/run/nrpe.pid
# vim /etc/nagios/nrpe.cfg
-pid_file=/var/run/nrpe.pid
+pid_file=/var/run/nagios/nrpe.pid
# /etc/init.d/nagios-nrpe-server start
Starting nagios-nrpe: nagios-nrpe.

Workaround for debian bug #529979

# /etc/init.d/nagios-nrpe-server stop
Stopping nagios-nrpe: nagios-nrpe.
# mkdir /etc/nagios/nrpe.d/; chmod 0755 /etc/nagios/nrpe.d/
# /etc/init.d/nagios-nrpe-server start
Starting nagios-nrpe: nagios-nrpe.

/etc/nagios/nrpe.cfg

-allowed_hosts=127.0.0.1
+allowed_hosts=134.96.186.73

-command[check_users]=/usr/lib/nagios/plugins/check_users -w 5 -c 10
+command[check_users]=/usr/lib/nagios/plugins/check_users -w 15 -c 30

Literature

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