http://askubuntu.com/questions/145518/how-do-i-install-nagios
http://askubuntu.com/questions/155248/how-can-i-have-nagios-alerts-emailed-to-my-gmail
Server:
sudo apt-get install -y nagios3 sudo vim /etc/nagios3/nagios.cfg check_external_commands=1 sudo service apache2 restart
vim /etc/group
nagios:x:114
Change it to
nagios:x:114:www-data
sudo chmod g+x /var/lib/nagios3/rw sudo chmod g+x /var/lib/nagios3 sudo service nagios3 restart sudo service apache2 restart
Client:
https://www.digitalocean.com/community/articles/how-to-install-nagios-on- ubuntu-12-10
apt-get install -y nagios-plugins nagios-nrpe-server vim /etc/nagios/nrpe.cfg … allowed_hosts=198.211.117.12 … service nagios-nrpe-server restart
od server:
cd /etc/nagios3/conf.d cp localhost_nagios2.cfg picza.cfg vim picza.cfg service nagios3 restart
Windows:
http://sourceforge.net/projects/nscplus/
http://nagios.sourceforge.net/docs/3_0/monitoring-windows.html