Linux Change Hostname

How do I change hostname under Linux operating system? You need to use the hostname command. It is used to either set or display the current host or domain name of the system. The hostname is used by many of the networking programs (such as sendmail, Apache servers) to identify the machine. Display Hostname Type […]

Permanent hostname change on RedHat based systems

RedHat based system use the file /etc/sysconfig/network to read the saved hostname at system boot. This is set using the init script /etc/rc.d/rc.sysinit /etc/sysconfig/network NETWORKING=yes HOSTNAME=»plain.domainname.com» GATEWAY=»192.168.0.1″ GATEWAYDEV=»eth0″ FORWARD_IPV4=»yes»