I got tired of doing all this manually, so I decided to streamline my workflow.
If you use MonoGame and your development environment is Windows/Visual Studio, this will help you easily deploy to these other platforms.
Video:
http://metasmug.com/i/1465421421.mp4
Example of files generated:
http://metasmug.com/i/1465493696_explorer.png
Full Tutorial:
https://github.com/MetaSmug/MonoGame.Ruge.DeployTool/wiki/1.-Getting-Started
This is open source, so if you want to change anything go for it
Sorry that the tool itself isn't for Linux or Mac; I just am somewhat familiar with the WinForms stuff so that's what I used.