I’m sure we all have had “that feeling once”. You patch your desktop or laptop, then type in reboot in a shell in order to boot your computer. And that crucial server you were working on starts shutting down.
But fear not - a solution exists for this and similar problems.
History
Molly-guard was (according to Internet) originally a improvised plexiglass cover shielding the kill switch on an IBM 4341. It was named after a programmers daughter - Molly ... [continue reading]