 By early 2007 Sugar could be installed, with some difficulty, on several Linux distributions, and in virtual machines on other operating systems.By mid-2008 Sugar was available on the Debian, Ubuntu, and Fedora distributions of Linux; e.g., as of Ubuntu 8.04 (Hardy Heron), Sugar could be installed from the official Ubuntu universe repositories.By mid-2009 Sugar was also available on openSUSE and other Linux distributions.