molly-guard is an good way to prevent this - forces you to type in the hostname ... | Hacker News

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brey on Jan 29, 2014 | parent | context | favorite | on: Ask HN: What's the worst you've ever screwed up at...

molly-guard is an good way to prevent this - forces you to type in the hostname of the machine you are trying to halt / restart etc.

http://manpages.ubuntu.com/manpages/trusty/man8/molly-guard....

scott_karana on Jan 30, 2014 [–]

Excellent if you have complete and thorough control of every server you touch, but if you don't, it could be dangerous to rely on. Murphy's Law means it'll be that one dang machine that gets shut down...

Personally, I'd think that training this is a lot more portable.

  # hostname
  <foo>
  # shutdown -h now

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