How to change hostname in Linux

• Edit file /etc/sysconfig/network using your favourite editor. In my case is nano. So i’ll enter nano /etc/sysconfig/network
• Look for HOSTNAME=xxxxxx
• Change the xxxx to the name you wish to set for your computer. (ex: HOSTNAME=techiecorner.com)
• Save the file and restart the xinetd service. (ex: type service xinetd restart in your shell)
• Done! You have just changed your hostname in Linux platform