Start with a fresh Ubuntu Server installation.
NOTE: In the commands and files below, be sure to replace <yourusername>
with your username and <yourgroupname>
with your group name (probably the same as your username). Also, replace <yourhostname>
with your server's hostname.
- Add the latest mono apt source (from instructions at http://www.mono-project.com/download/#download-lin-ubuntu):
. /etc/lsb-release
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb http://download.mono-project.com/repo/ubuntu ${DISTRIB_CODENAME} main" | sudo tee /etc/apt/sources.list.d/mono-official.list
sudo apt update