For those that are interested in mining this guide at launch these video guides should be helpful.

How To Mine GRIN - Mining Guide For MimbleWimble Cuckoo POW https://www.youtube.com/watch?v=SKCa6PvrlRc

How To Mine GRIN - Nvidia GPU Mining Guide For Linux Ubuntu https://www.youtube.com/watch?v=4N2b7SuOQjE