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Date:      Wed, 1 May 2002 08:31:18 +0100
From:      Peter McGarvey <pmcgarvey@vianetworks.co.uk>
To:        Bill Fumerola <billf@elvis.mu.org>, Bill Fumerola <billf@mu.org>, pr0ject <el_kab0ng@texas-shooters.com>
Cc:        freebsd-security@freebsd.org
Subject:   Re: newbie.  possibly got hacked.  need help.
Message-ID:  <E172oa7-000AaY-00@pooh.noc.u-net.net>
In-Reply-To: <20020501044517.GF688@elvis.mu.org>
References:  <F26PHDXE2sCRBHZXFZ00000c2f7@hotmail.com> <20020430232953.A72277@mail.texas-shooters.com> <20020501044517.GF688@elvis.mu.org>

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On Wednesday 01 May 2002 05:45 am, Bill Fumerola wrote:
> On Tue, Apr 30, 2002 at 11:29:53PM -0500, pr0ject wrote:
> > hate to say it, but if you've removed something huge or you have a
> > runaway process holding the memory space, you might try rebooting.
>
> rebooting? stay away from my systems. try just installing 'lsof' (in a
> ports collection near your) and see whats holding open the file.

Hmm, installing a port whem /var is full does not strike me as a good idea.

I've seen a similar thing twice, turns out qmail goes haywire if you've 
got softupdates turned on.  The only way to fix it is to reboot into 
single-user mode and fsck the disk.  Remembering to turn softupdates off 
when it's finished.

Another fun way to fill a volume is to delete a log file.  Syslog will 
happily backfill your volume without complaint until you HUP or restart it.

-- 
TTFN, FNORD

Peter McGarvey
System Administrator
Network Operations, VIA Networks UK

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