To install a Debian *.deb packages that you have downloaded, use this command. [email protected] ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.deb This will install the Debian package. [email protected] ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.deb [sudo] password for john: Selecting previously unselected package rxvt. (Reading database … 281734 files and directories currently installed.) Unpacking rxvt (from rxvt_2.6.4-14_i386.deb) …

I asked on Facebook how to do this and I was given this solution. deb http://packages.linuxmint.com/ lisa main upstream import sudo apt-get update sudo apt-get install linuxmint-keyring sudo apt-get update sudo apt-get install mint-meta-mate This will install the MATE packages and allow you to remove the abominable Unity desktop.