Install mate desktop environment on Ubuntu

Ubuntu installation of mate desktop environment Ubuntu source does not have the MATE desktop environment, so it cannot be directly installed and used. Step 1: Add repos: Ubuntu Oneiric Ocelot (11.10), Ubuntu Precise Pangolin (12.04), Ubuntu Quantal Quetzal (12.10) repository: sudo add-apt-repository "deb http://packages.mate-desktop.org/repo/ubuntu $ (lsb_release-SC) main" sudo add-apt-repository "deb http://repo.mate-desktop.org/ubuntu $ (lsb_release-SC) main" step 2: Install: sudo apt-get updatesudo apt-get install mate-archive-keyringsudo apt-get update # this install base packagessudo apt-get install mate-core # this install more packagessudo apt-get install mate -desktop-environment