Uninstall Mono SDK (MDK) Mono is an open-source implementation of Microsoft's .NET Framework and is used by all Xamarin Products—Xamarin.iOS, Xamarin.Android, and Xamarin.Mac to allow development of these platforms in C#.
Download | MonoDevelop 1 Add the Mono repository to your system . The package repository hosts the packages you need, add it with the following commands. Note: the packages should work on newer Ubuntu versions too but we only test the ones listed below. Ubuntu 18.04 (i386, amd64, armhf) sudo apt install apt-transport-https dirmngr sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys Mono (software) - Wikipedia Mono is a free and open-source project to create an Ecma standard-compliant .NET Framework-compatible software framework, including a C# compiler and a Common Language Runtime.Originally by Ximian, it was later acquired by Novell, and is now being led by Xamarin, a subsidiary of Microsoft and the .NET Foundation.The stated purpose of Mono is not only to be able to run Microsoft .NET
--resource-rules has been deprecated in Mac OS X >= 10.10
Bundle MacOS app in MonoMac — Xamarin Community Forums
Mono Mac 6.8.0.123 / 6.10.0.105 Preview - Download
How to install Mono on macOS so mono works in terminal