change linux RedHat / CentOS hostname
vim /etc/sysconfig/network
HOSTNAME=servername
vim /etc/hosts
10.10.10.10 servername
hostname servername
verify
hostname
service network restart
Parse nagios hosts.cfg
I am in a project to import over 600 servers from old nagios 2.0 to nagios 3.0 / Centreon.
So the sysadmins here do not put the address field inside …