首先，Add the Mono Project GPG signing key
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
其次，Add the package repository
source : deb http://download.mono-project.com/repo/debian wheezy main
然后开始安装
sudo apt-get update
sudo apt-get install monodevelop
sudo apt-get install monodevelop-nunit
sudo apt-get install monodevelop-versioncontrol
sudo apt-get install monodevelop-database