[2019] in RedHat Linux List
RE: w
daemon@ATHENA.MIT.EDU (Philip Blundell)
Thu Oct 31 10:02:45 1996
Date: Thu, 31 Oct 1996 15:00:46 +0000 (GMT)
From: Philip Blundell <pjb27@cam.ac.uk>
To: "Castelijn, Maurice" <Castelijn.Maurice@kpmg.nl>
cc: "redhat-list@redhat.com" <redhat-list@redhat.com>
In-Reply-To: <c=NL%a=MARK400%p=KPMG%l=KPMG/CENEXM01/001E859A@mailex.kpmg.nl>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
On Thu, 31 Oct 1996, Castelijn, Maurice wrote:
> >I have read the manual page for utmp. Perhaps you didn't understand the
> >problem; why don't you go back and read my original message again? I've
> >quoted the crux of it at the top of this one in case you lost it.
>
> Why I said that, I remember a quote in the manpage...
>
> "Warning: utmp must be writable, because many system programs depend on
> its integrity. You risk faked system logfiles and modifications of
> system files if you leave utmp writable to any user."
>
> Perhaps that explains it? =)
>
> That "rm /etc/psdevtab" was the solution, was not within my knowledge. I
> don't have a file like that on my system (and previous systems). I'm
> glad to know about it now though.
No, no, you're still missing the point. Yes, I was having trouble with
psdevtab, but that wasn't what this message was about. The issue here was
that 'w' doesn't truncate the hostname field in its output at all, so the
display is messy if people are logged in from a machine with a long name.
But thanks for your tips anyway.
P.
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