Date: Sat, 11 Sep 2010 00:11:37 +1200 (NZST) From: Atom Smasher <atom@smasher.org> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: How to disallow logout Message-ID: <1009110004520.2000@smasher> In-Reply-To: <i6d5kp$atl$1@dough.gmane.org> References: <AANLkTim4OG2124dVtEHFSR06c7sF-nnMA7bgfPApTywk@mail.gmail.com> <i6d5kp$atl$1@dough.gmane.org>
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On Fri, 10 Sep 2010, Ivan Voras wrote: > 1) power outage of the server > 2) power outage on the client > 3) network problems (ssh or TCP connection drop) > 4) administrative command (e.g. root executes "killall $shell") > > ? > > I don't think there is a way to protect from all of those, so any effort > in protecting from only part of the problem looks useless. ======================== you forgot cosmic rays, nuclear war and zombie apocalypse, among other failure modes. *NOTHING* is capable of protecting against everything; a good solution will most always have pitfalls; as a sysadmin/engineer/manager one has to either accept the pitfalls or find a more acceptable solution, which usually means different pitfalls. that doesn't mean a given solution is useless. -- ...atom ________________________ http://atom.smasher.org/ 762A 3B98 A3C3 96C9 C6B7 582A B88D 52E4 D9F5 7808 ------------------------------------------------- "I am committed to helping Ohio deliver its electoral votes to the president [Bush] next year" -- Walden O'Dell, CEO of Diebold August 2003
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