I’m currently trying out the latest Ubuntu pre-release, 12.04 (Precise Pangolin), and noticed Ubuntu removed support for Mono by default in this release. Prior to 12.04, Ubuntu included a default installation of the Mono Project. However, getting Mono back onto Ubuntu is very easy.

  1. Open up the Ubuntu Software Center (located on the Launcher)
  2. Select Developer Tools from the left navigation pane in USC.
  3. Select Mono/CLI option.
  4. Choose from one of the Mono/CLI developer tools installs and click Install (I recommend choosing complete Mono runtime, development tools, and all libraries).
  5. Enter in your administrative credentials if prompted and click Authenticate to continue.
  6. Done. Enjoy developing/running all your .NET applications.

For those unfamiliar, the Mono Project allows applications targeting the Common Language Runtime (CLR, .NET applications) to run on multiple platforms, such as Mac OSX, *nix, and Solaris. The Mono Project also offers a free Integrated Development Environment for developers to use to develop their CLR applications on these different platforms. Overall, I’ve been very impressed with the project and it seems to be a huge success in the overall community. It currently supports up to .NET Framework 4.0 and is based on the ECMA/ISO standardizations of the CLR.

The Mono project was a great addition to the software suite included in a default installation of Ubuntu. It allowed more scalability of the different types of applications which could run on Ubuntu, but further, it allowed users to test/run .NET applications in a Linux environment. I’m somewhat disappointed the team decided to remove this functionality, but at least they made it very easy to install.

I may write up a separate post about developing and running .NET applications using the Mono project.

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