Date: Fri, 02 Jul 2010 08:09:51 -0400 From: John Almberg <jalmberg@identry.com> To: freebsd-questions@freebsd.org Subject: Re: ssh_exchange_identification: Connection closed by remote host Message-ID: <4C2DD70F.8040004@identry.com> In-Reply-To: <4C2DD599.5030101@infracaninophile.co.uk> References: <4C2DC4FC.7070004@identry.com> <AANLkTinNCKfwgHf-ha0cys9cdTSk-rcYznWO3zcK2r0H@mail.gmail.com> <4C2DCD58.3070103@identry.com> <4C2DCE9B.4090306@ose.nl> <4C2DD130.5070508@identry.com> <4C2DD599.5030101@infracaninophile.co.uk>
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>> On that subject... does Ctrl-Alt-Del initiate an orderly shutdown? >> > > If you can't log in -- even on the console -- then rebooting is really > your only option. Ctrl-Alt-Del should bring the system down cleanly if > you haven't disabled that functionality. Otherwise, just toggle the power. > > The symptoms you're seeing could well be due to filesystem problems or > to some filesystem filling up (/tmp is a prime suspect) or due to > running out of memory+swap. Some sort of memory leak sounds pretty > likely actually. > > Probably best to bring the system up in single user mode and run fsck on > all the filesystems manually -- that will show if you've got h/w > problems with drives and possibly with disk controllers or cabling too. > Then check for overfull filesystems. You may not find any -- rebooting > can clear a number of conditions where disk space is not released back > to the OS properly after use. You may or may not find any clues as to > what went wrong in the system logs. In the absence of any other clues, > the only option is to monitor the server closely and wait for something > similar to happen again. Hopefully if there is a next time, you'll be > able to catch it and fix the underlying problem before it takes the > machine out a second time. > > Yes, I can't log in. I get a login prompt, but no password prompt. I'm going to try ctrl-alt-del and see what happens. Crossing fingers...
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