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How to Change or Set hostname on OEL/RHEL/CentOS 6

A simple post for those who are new to Oracle Enterprise Linux (OEL) or Red Hat Linux (RHEL) version 6 and wish to change hostname.

Sun Diskless Workstation Boot Sequence

To boot diskless workstations need to determine who they are, locate their boot server, locate their kernel and mount file systems from the server

Changing Oracle Enterprise Linux hostname

Either due to cloning or corporate naming standards, you may find the need to change the hostname of an Oracle Enterprise Linux System.

Changing the Hostname in Solaris (updated)

The traditional method of changing the hostname of a given solaris system was to use sys-unconfig utility.