For Sublime-Text-2:

sudo add-apt-repository ppa:webupd8team/sublime-text-2sudo apt-get updatesudo apt-get install sublime-text

For Sublime-Text-3:

sudo add-apt-repository ppa:webupd8team/sublime-text-3sudo apt-get updatesudo apt-get install sublime-text-installer

• http://askubuntu.com/questions/172698/how-do-i-install-sublime-text-2-3
• http://sublime-text-unofficial-documentation.readthedocs.org/en/latest/getting_started/install.html

[Sublime Text] How to Install Sublime Text on Ubuntu