[CentOS] Building a live CD and live PXE

[Johnny Hughes]

On Tue, 2006-08-15 at 14:10 +0100, Ron Yorston wrote:
> John Newbigin <jnewbigin at ict.swin.edu.au> wrote:
> >Ron Yorston wrote:
> >> "Eduardo Grosclaude" <eduardo.grosclaude at gmail.com> wrote:
> >> 
> >>>Great! I was just looking for this! Unfortunately there seems to be
> >>>something missing: by the time we run the first yum command, there's no
> >>>distroverpkg package installed under $LIVE to query for $releasever.
> >>>---------------
> >>>Should the user install centos-release RPM with prefix equal to $LIVE
> >>>beforehand?
> >>>Or is there any other easy but correct way to pass this variable to yum?
> >> 
> >My yum config does not use $releasever which is probably why mine works. 
> >  A simple sed should be able to trick it up in your yum config, or copy 
> >the release file into the chroot before running yum, that is probably 
> >best.  I'll try that out and update the docs.
> 
> Or fetch the centos-release RPM and run:
> 
>    rpm -ivh --nodeps --root $LIVE centos-release-4-3.2.i386.rpm
> 
> 
> >> 
> >> I got around this by editing my yum repo files to replace $releasever
> >> with 4.  Which is horrible, so I too would like to know if there's a
> >> better way.
> >..
> >> Actually, I was able to scroll back far enough to see this during the
> >> installation:
> >> 
> >> error: %pre(coreutils-5.2.1-31.2.i386) scriptlet failed, exit status 255
> >> error:   install: %pre scriptlet failed (2), skipping coreutils-5.2.1-31.2
> >You should not get any errors at this stage.  You must mount /dev /proc 
> >and /sys or your install will fail.
> 
> Well, I do get errors.  I've tried this several times on three machines,
> including one that was freshly installed with CentOS 4.3 for just this
> purpose.  Every time I get error in %pre and %post, and the resulting
> installation is incomplete.
> 
> See attachment.
> 
> Ron

SELINUX= has to be disabled in /etc/sysconfig/selinux ... set to enabled
or permissive causes problems in chroots.


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