Path: utzoo!attcan!uunet!zaphod.mps.ohio-state.edu!mips!daver!kcdev!genco!rad
From: rad@genco.bungi.com (Bob Daniel)
Newsgroups: comp.unix.admin
Subject: Re: Overflowing wtmp
Message-ID: <221@genco.bungi.com>
Date: 23 Jan 91 19:08:42 GMT
References: <92@tdatirv.UUCP>
Reply-To: rad@genco.bungi.com (Bob Daniel)
Organization: Gentry & Assoc. Excelsior Springs, MO
Lines: 14

In article <92@tdatirv.UUCP> sarima@tdatirv.UUCP (Stanley Friesen) writes:
>
>I have found that my wtmp file tends to grow without bound.
>This is annoying.  Is there any clean way to trim it, short of the rather
>crude 'cat /dev/null > /etc/wtmp' approach.  (I *do* know about cron,
>I just need to know what to put in it).

First of all, you only need to use '>/etc/wtmp' to clear out the file.  To
install it in cron, make this entry in /usr/spool/cron/crontabs/root...

0 2 * * 0 >/etc/wtmp

Restart the cron or just reboot the system.  This will clear the file at
2 AM every Sunday.