[Lxc-users] [SOLVED] Remedy for centos base installation failing operations on /sys?

[Serge Hallyn]

Quoting Johannes Graumann (johannes_graumann at web.de):
> On Wednesday, July 25, 2012 14:36:16 Serge Hallyn wrote:
> > Quoting Johannes Graumann (johannes_graumann at web.de):
> > > Fajar A. Nugraha wrote:
> > > > On Tue, Jul 24, 2012 at 4:20 AM, Fajar A. Nugraha
> > > > 
> > > > <list at fajar.net> wrote:
> > > >> On Mon, Jul 23, 2012 at 6:15 PM, Johannes Graumann
> > > >> 
> > > >> <johannes_graumann at web.de> wrote:
> > > >>> On the container "/var/lib/rpm is now empty
> > > >> 
> > > >> That is not right. It might be the source of your problem. Try
> > > >> 
> > > >> yum --installroot=/some/path/of/your/choice groupinstall base
> > > >> 
> > > >> ... and verify whether /var/lib/rpm under that path has some files (it
> > > >> should). Just to check whether the problem is in your template, or in
> > > >> your version of yum.
> > > > 
> > > > I think I know what happens.
> > > > 
> > > > Debian/Ubuntu's version of yum stores rpm database in /root/.rpm (when
> > > > run as root). RHEL/Centos expects the db to be on /var/lib/rpm. Thus
> > > > the problem.
> > > > 
> > > > You can simply (in chroot or container) move all content in /root/.rpm
> > > > to /var/lib/rpm, and the run "rpm --rebuilddb" .
> > > > 
> > > > Strangely enough, eventhough your install process installs
> > > > "filesystem" as a dependency, yum won't complain much if you can run
> > > > "yum erase filesystem" inside the chroot environment :P. Not
> > > > recommended though.
> > > 
> > > For the benefit of others (the mailing list refused my email replies in
> > > much of this conversation): this problem is solved by doing the
> > > following as root on the container:
> > > 
> > > PROMPT> cp -r /root/.rpmdb/* /var/lib/rpm/
> > > PROMPT> rpm --define '_dbapi 3' --rebuilddb
> > 
> > Thanks for the info, Johannes.
> > 
> > Would you be interested in creating a proper
> > /usr/lib/lxc/templates/lxc-centos template (which would check for this
> > condition)?  You said you used an openvz template to start right?
> 
> I used the lxc-fedora template that comes with debian(testing) ... I will try 
> to put this check in there and report back ... there are some more 
> configuration issues that I am currently resolving manually after installation, 
> so this may take some time ...

Awesome, thanks.