Step-by-step – Mono CentOS 7 Installation

Installing

2. 2. Setting Up Mono Repository

   How to Add the Mono Repo for Linux CentOS

   Mono Repository Setup

   Mono CentOS Apt Repo Setup.

3. 3. Installing Mono

   Finally, to Install Mono for Linux CentOS
   Simply play:

   sudo yum install mono-devel

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