Have you tried this (from this page: http://pharo.org/gnu-linux-installation#ubuntu-ppa-headless-vm ): Ubuntu (ppa) Ubuntu users can use the dedicated ppa to install Pharo in various ways: Install the headless Pharo VM only sudo add-apt-repository ppa:pharo/stable sudo dpkg --add-architecture i386 sudo apt-get update sudo apt-get install pharo-vm-core Install PharoLauncher <https://ci.inria.fr/pharo-contribution/job/PharoBookWorkInProgress/lastSucce...>, our experimental new GUI Dashboard sudo add-apt-repository ppa:pharo/stable sudo dpkg --add-architecture i386 sudo apt-get update sudo apt-get install pharo-launcher - If you don't have the add-apt-repository command, google <https://www.google.com/search?q=add-apt-repository+not+found> is your best bet as getting it varies by distribution version - For reference, the ppa page on launchpad.net <https://launchpad.net/~pharo/+archive/ubuntu/stable> 2015-12-02 17:26 GMT+01:00 Rodrigo Coimbra < rodrigotavarescoimbra@yahoo.com.br>:
How do I definitely install Pharo on Ubuntu 15.04?