From owner-freebsd-questions@FreeBSD.ORG Fri Jul 2 12:16:37 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 33DDD1065670 for ; Fri, 2 Jul 2010 12:16:37 +0000 (UTC) (envelope-from b.smeelen@ose.nl) Received: from mail.ose.nl (mail.ose.nl [212.178.134.164]) by mx1.freebsd.org (Postfix) with ESMTP id 9E6BC8FC1B for ; Fri, 2 Jul 2010 12:16:36 +0000 (UTC) Received: from localhost ([127.0.0.1]) by mail.ose.nl; Fri, 2 Jul 2010 14:16:31 +0200 Message-ID: <4C2DD89F.4010302@ose.nl> Date: Fri, 02 Jul 2010 14:16:31 +0200 From: Bas Smeelen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100423 Thunderbird/3.0.4 MIME-Version: 1.0 To: John Almberg References: <4C2DC4FC.7070004@identry.com> <4C2DCD58.3070103@identry.com> <4C2DCE9B.4090306@ose.nl> <4C2DD130.5070508@identry.com> <4C2DD599.5030101@infracaninophile.co.uk> <4C2DD70F.8040004@identry.com> In-Reply-To: <4C2DD70F.8040004@identry.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions@freebsd.org Subject: Re: ssh_exchange_identification: Connection closed by remote host X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jul 2010 12:16:37 -0000 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