replacing rsyslogd in minimal with journald [was Re: systemd requires HTTP server and serves QR codes]

Richard W.M. Jones rjones at redhat.com
Wed Oct 10 12:56:17 UTC 2012


On Wed, Oct 10, 2012 at 02:54:13PM +0200, drago01 wrote:
> On Wed, Oct 10, 2012 at 12:49 PM, Richard W.M. Jones <rjones at redhat.com> wrote:
> > On Wed, Oct 10, 2012 at 10:11:03AM +0000, "J├│hann B. Gu├░mundsson" wrote:
> >> On 10/10/2012 08:54 AM, Richard W.M. Jones wrote:
> >> >This would be essential for libguestfs tools to parse logs out of
> >> >guests (we do it now by reading /var/log/messages etc which has all of
> >> >the properties you state).
> >>
> >> I'm not sure how you are doing this currently but for shutdown guest
> >> I assume you would mount then run something like
> >>
> >> journalctl -D /path/to/journal/files | the script you use to parse the logs
> >
> > The question is whether this works with different versions of journal
> > on the host and in the guest.  A typical case we have to deal with is
> > someone running a stable RHEL host, and Fedora guests
> > (ie. host version < guest version).
> 
> Can't you run the journal from the guest? Or does this open another
> can of worms?

Security worms, yes.

We try very much to avoid running code from the guest.  cf. grub
problems previously discussed on this list.

Rich.

-- 
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