[syslog-ng]/proc/kmsg and chrooted syslog-ng

Nate Campi syslog-ng@lists.balabit.hu
Thu, 30 Sep 2004 22:53:14 -0700


Did we ever get a step-by-step on making a chroot jail for syslog-ng?

On Tue, Aug 17, 2004 at 01:48:30PM +0200, bazsi@balabit.hu wrote:
> On Mon, Aug 16, 2004 at 10:08:46PM -0500, Michael D. (Mick) Bauer wrote:
> > One more ignorance-betraying question about Syslog-ng chroot-jails:
> > what should one do about /proc/kmsg? Maybe "touch
> > /var/logjail/proc/kmsg; ln -s /var/logjail/proc/kmsg /proc/kmsg"?
> 
> no, this would not work. kernel messages need to be fetched from a "live"
> proc filesystem, however you can mount it directly into the chroot jail
> as well, e.g.
> 
> mount -t proc proc /var/logjail/proc
> 
> that's about it.
> 
> > 
> > And do I take it that, per another recent posting, one should
> > similarly create a new dev/log in the jail and link to it from
> > /dev/log?
> 
> yes, this makes it possible to reload syslog-ng inside the chroot jail, as
> otherwise it is not possible.
> 
> > 
> > I'd like to post a revised Syslog-ng chroot jail procedure later
> > this week. Thanks to the two of you who've replied so far!
> 
> great.
> 
> -- 
> Bazsi
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-- 
Nate

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