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→Installing Mono
== Installing Mono ==
MatterControl requires Mono version 3.10 or above. MatterControl works best with Mono 4.4. As of this writing (12/29/16) There is a bug in Mono 4.6 that prevents the cloud services from establishing a full connection. The [[Cloud/Connection_Display | connection indicator]] will remain yellow. All other features are fully functional. If you are on an older version of Ubuntu (before Xenial 16.04 LTS) or Fedora that does not have the latest Mono then you can add the official Xamarin repository to get up to date. The official MatterControl download currently comes with a shell script to do this automatically on Debian based distros.
$ sudo apt-get install curl
$ curl -s <nowiki>http://download.mono-project.com/repo/xamarin.gpg</nowiki> | sudo apt-key add -
$ echo "deb <nowiki>http://download.mono-project.com/repo/debian wheezy /snapshots/4.4.2 main</nowiki>" | sudo tee /etc/apt/sources.list.d/xamarin.list
$ sudo apt-get update
$ sudo apt-get -y install mono-complete