Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 02 Jul 2010 14:16:31 +0200
From:      Bas Smeelen <b.smeelen@ose.nl>
To:        John Almberg <jalmberg@identry.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: ssh_exchange_identification: Connection closed by remote host
Message-ID:  <4C2DD89F.4010302@ose.nl>
In-Reply-To: <4C2DD70F.8040004@identry.com>
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> <4C2DD70F.8040004@identry.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On 07/02/2010 02=3A09 PM=2C John Almberg wrote=3A
=3E
=3E=3E=3E On that subject=2E=2E=2E does Ctrl-Alt-Del initiate an orderly sh=
utdown=3F
=3E=3E=3E     =20
=3E=3E
=3E=3E If you can=27t log in -- even on the console -- then rebooting is re=
ally
=3E=3E your only option=2E  Ctrl-Alt-Del should bring the system down clean=
ly if
=3E=3E you haven=27t disabled that functionality=2E  Otherwise=2C just togg=
le the
=3E=3E power=2E
=3E=3E
=3E=3E The symptoms you=27re seeing could well be due to filesystem problem=
s or
=3E=3E to some filesystem filling up =28/tmp is a prime suspect=29 or due t=
o
=3E=3E running out of memory+swap=2E  Some sort of memory leak sounds prett=
y
=3E=3E likely actually=2E
=3E=3E
=3E=3E Probably best to bring the system up in single user mode and run fsc=
k on
=3E=3E all the filesystems manually -- that will show if you=27ve got h/w=

=3E=3E problems with drives and possibly with disk controllers or cabling t=
oo=2E
=3E=3E   Then check for overfull filesystems=2E  You may not find any --
=3E=3E rebooting
=3E=3E can clear a number of conditions where disk space is not released ba=
ck
=3E=3E to the OS properly after use=2E  You may or may not find any clues a=
s to
=3E=3E what went wrong in the system logs=2E  In the absence of any other c=
lues=2C
=3E=3E the only option is to monitor the server closely and wait for someth=
ing
=3E=3E similar to happen again=2E  Hopefully if there is a next time=2C you=
=27ll be
=3E=3E able to catch it and fix the underlying problem before it takes the=

=3E=3E machine out a second time=2E
=3E=3E
=3E=3E   =20
=3E Yes=2C I can=27t log in=2E I get a login prompt=2C but no password prom=
pt=2E I=27m
=3E going to try ctrl-alt-del and see what happens=2E
=3E
=3E Crossing fingers=2E=2E=2E
Sorry  I missed that you can=27t login=2E
Good luck



DISCLAIMER=3A This e-mail is for the intended recipient=28s=29 only=2E Acce=
ss=2C disclosure=2C copying=2C
distribution or reliance on any of it by anyone else is prohibited=2E If yo=
u have received it
by mistake please let us know by reply and then delete it from your system=
=2E




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4C2DD89F.4010302>