How to Install Ubuntu MATE 1.12.1. Terminal commands to upgrade to Ubuntu MATE 1.12.1 in Ubuntu MATE 15.10 or 16.04, via PPA. Ubuntu MATE 1.12.1 has been released with various improvements for GTK3, UI changes, architecture improvements, better touchpad and multi-monitor support.
Upgrade to MATE 1.12.1 in Ubuntu MATE 15.10 or 16.04
Run the following commands in Terminal to upgrade to the latest Ubuntu MATE 1.12.1 in Ubuntu 15.10 using the MATE Wily PPA:
$ sudo add-apt-repository ppa:ubuntu-mate-dev/wily-mate
$ sudo apt-get update
$ sudo apt-get upgrade
Run the following commands in Terminal to upgrade to the latest Ubuntu MATE 1.12.1 in Ubuntu 16.04 using the MATE Wily PPA:
$ sudo add-apt-repository ppa:ubuntu-mate-dev/xenial-mate
$ sudo apt-get update
$ sudo apt-get upgrade
Install Ubuntu MATE Dock Applet
Run the following commands in Terminal to install the MATE Dock Applet:
$ sudo apt-get install mate-dock-applet
Undo the changes (revert the changes)
If you want to undo the upgrade and revert the changes, run the following commands in Terminal. The following command will purge the PPA and downgrade all the packages installed:
On Ubuntu 15.10
$ sudo apt-get install ppa-purge
$ sudo ppa-purge ppa:ubuntu-mate-dev/wily-mate
On Ubuntu 16.04
$ sudo apt-get install ppa-purge
$ sudo ppa-purge ppa:ubuntu-mate-dev/xenial-mate