PiMP is one of the most popular and trusted mining OS. It has been the standard for linux mining rig design since its inception in 2012. Since then there have been many imitators! You download PiMP OS image file and write it to an SSD and it will be all ready to go as a professional mining rig.
PiMP OS has the best community, where you can get the latest news about cards and coins, talk directly with the developers, and get near-instant live support any time you have a problem. And of course, have some fun with fellow miners!