How to change the localhost name in ubuntu Linux?

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In my previous post, i have explain how to change the localhost in windows operating systems. This post is especially for ubuntu users.

Requirements:
apache server should be installed.

• Open the Terminal
• type this command and press enter

sudo gedit /etc/hosts

hosts will be opened in notepad.
you can find this line :

127.0.0.1 localhost.localdomain localhost

Just change the localhost to www.facebook.com
Restart the apache server.
Don’t you know how to restart the server. nothing to worry just enter the following command in terminal:

sudo /etc/init.d/apache2 restart

if you enter “www.facebook.com”,then you will get this page in your browser.

Copyrights:
Don’t try to copy the contents! if you want to post in your website or blog. Give me link as resource to this page. Link should be hyperlink not a text.
Thanks for the help