How to configure fqdn on centos for your linux box on private lan
Remeber that domain must be always full qualified, domain + extension (local + .com)
Example data:
Server Name ----------------------------------- gffp01t
Static ip ----------------------------------------- 192.168.1.191
Local domain (for your lan example) ------ local.com
1 Edit Hosts File
$ sudo vim /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
127.0.0.1 gffp01t.local.com gffp01t
192.168.1.191 gffp01t.local.com gffp01t
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
::1 gffp01t.local.com gffp01t
2 Edit network
$ sudo vim /etc/sysconfig/network HOSTNAME=gffp01t.local.com
.....
Reboot system
.....
4 Verify
$ hostname
(output) gffp01t.local.com
$ hostname -f
(output) gffp01t.local.com
