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Re: single-user mode scripting
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: single-user mode scripting
- From: Ben Goren <ben_(_at_)_trumpetpower_(_dot_)_com>
- Date: Wed, 17 Jul 2002 18:39:26 -0700
On Wed, Jul 17, 2002 at 09:04:40PM -0400, Woodchuck wrote:
> On Wed, 17 Jul 2002, Russell Garrison wrote:
> > I am running OpenBSD 3.1 and working on a failover firewall
> > where a secondary machine takes over the address for a primary
> > in the event of a failure. In order to set the MAC I have to
> > take the system down into single-user mode, set the MAC and
> > then bring the system back up to start services again.
> > Ideally, this should all be accomplished with a script, but I
> > am unsure how to do this since switching to single will kill
> > all processes.
> There might be a better way to do it, but the
> off-the-top-of-my-pointy-head method is this: (This is rather
> general for your specific task, there may be a clever way to
> accomplish what you want, such as a kernel hack of some kind,
> adding a custom sysctl, say.)
Er...what you suggest is waaay more complicated than is necessary.
It's quite simple, really. The details are in shutdown (8) and
There's no need to reboot after a shutdown, either--just exit the
shell and the system comes bak up.
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