How To Change Linux Hostname Redhat/CentOS/Fedora

In this post we are going see how can we change the host name of a Linux machine. Just follow the steps below:

• 1- Find and edit the following file "/etc/hosts"

127.0.0.1               localhost.localdomain localhost --new_hostname--

::1             localhost6.localdomain6 localhost6
10.111.1.111 xxxx1
10.111.2.111 xxxx2

• 2- Edit /etc/sysconfig/network

NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=localhost.localdomain   <

• 3- Type the following command:

 hostname --your new hostname--

 hostname