Linux rules supercomputers. It's vitally important to servers. And, Linux is making gains on the desktop. Where Linux is really going to shine in the next twelve months though is in devices: tablets, smartphones, and TVs.
Just a short Tutorial today. It’s surprising how many people do not know this. To change the hostname under Linux, open a terminal window. Type the following code.
sudo nano /etc/hosts
and change the text to your new hostname. Changes will take effect on Restart.