NEVER blind run MV, RM or SED on Linux

Today (Monday 13th) I had the heartbreaking experience of accidentally wiping the entirety of my now-gone free VPS that was hosting 5 active/live sites. I had backup files for 3 of those 5, one of which (http://stodps.com) is now completely lost. (I apologise to Alfie/Porch/others in the Star Trek Online …