Hostname is to display the current host, domain or node name of the system. These names are used by many of the networking programs to identify the machine. The domain name is also used by NIS/YP. It should be a FQDN (Fully Qualified Domain Name).
You can change the server’s hostname on your linux VPS OR dedicated servers by following the steps below.
Login to your server via SSH & set a hostname with command “hostname”
# hostname server.domain.com
Open the file /etc/sysconfig/network and set the hostname in this file. Save the file and quit.
NETWORKING=”yes”
NETWORKING_IPV6=”yes”
HOSTNAME=”server.domain.com”
DOMAINNAME=domain.com
Doing this, hostname for your server is set.
