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Re: media check and runroot

On Sun, 2002-04-28 at 13:28, Peter Bowen wrote:
> On Sun, 2002-04-28 at 13:04, Jeremy Katz wrote:
> > On Sun, 2002-04-28 at 10:51, Peter Bowen wrote:
> > > Looking through the anaconda-runtime package, I found the implantisomd5
> > > and checkisomd5 programs.
> > 
> > Since buildinstall doesn't create the ISO images, it would be hard for
> > the md5sums to be implanted in ISOs by it.  Both programs are trivial to
> > use though...  `./implantisomd5sum <name of image>` just like the usage
> > message says.  Similar for checkisomd5.
> I must admit that I haven't looked at the new media check source too
> closely, but each ISO carries its own md5 checksum, rather than disc1
> having them all?

Yep, each ISO has its own.  There wouldn't be enough space in the
application data section of the ISO9660 header for multiple md5sums. 
Also, it allows CDs which are outside of the process of just creating
the distribution CDs to have md5sums implanted.
> > > Does anyone know what /usr/bin/runroot is and what is does?
> > 
> > Wacky internal build system fun that handles going to remote machines
> > based on architecture so the various architecture dependent bits can be
> > run on a machine of the right architecture.
> Does this imply that all other commands (ones not using the runroot
> wrapper) can be run on other arches? (alpha distro being build on i386
> for example)

Yep.  But most of the stuff that's of any consequence is run with



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