How to Install Mono on Linux Mint 18

Installing

2. 2. Setting Up Mono Repository

   How to Add the Mono Repo for Linux Mint

   Mono Repository Setup

   Mono Mint Repo.

3. 3. Installing Mono

   Finally, to Install Mono for Linux Mint
   Simply play:

   sudo apt install mono-devel

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.