How to install FAN

System requirements

Minimum system requirements

  • 4 GB free disk space
  • 1 GB of RAM.
  • 1 processor core

Recommended system requirements

  • 20 GB plus the required disk space recommended essentialy for /var. Disk space needed by mysql and rrd files
  • 2 processors core or hyper-thread for each virtualized CPU.
  • 2 GB of RAM.


You can install FAN on VMware ESX 3.5 or vSphere 4.1, but it is not recommended for large perimeters (1000 hosts and 5000 services for example). However we recommend using one vCPU.


Installing FAN is similar to installing a standard CentOS. It is quick and intuitive. No installation help is necessary.

Press <ENTER> to install FAN in standalone mode.

The standalone mode provides : nagios, centreon, mysql server, nagios plugins…

See the post to configure the distributed monitoring

During the installation, you need to configure some parameters :

  • Language
  • Type of keyboard
  • Partitioning
  • Timezone
  • Root password

First connexion

In order to be able to use our new platform, a little configuration is required:

You must at least configure :

  • The network (IP address, routes, DNS…)

  • The machine’s name


It’s possible to reconfigure the network, run :

# LANG=C system-config-network


All monitoring tools have now been installed and configured. From a network computer home page, open your browser and go to  http://@_IP_FAN_SERVER

Default login/password : nagiosadmin/nagiosadmin