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<H1>[Mageia-dev] drakxtools & drakx-installer-stage2 (mga#9428)</H1>
<B>Glen Ogilvie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20drakxtools%20%26%20drakx-installer-stage2%20%28mga%239428%29&In-Reply-To=%3CCAGmz6yg%3DKmHYnjv0r0PXvn1qnmjZ8QPdf%2BBLFe17K_Q_YW8rUg%40mail.gmail.com%3E"
TITLE="[Mageia-dev] drakxtools & drakx-installer-stage2 (mga#9428)">nelg at linuxsolutions.co.nz
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<I>Fri Mar 22 23:34:55 CET 2013</I>
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<PRE>On 23 March 2013 07:37, Thierry Vignaud <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">thierry.vignaud at gmail.com</A>> wrote:
><i> On 22 March 2013 12:20, Glen Ogilvie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">nelg at linuxsolutions.co.nz</A>> wrote:
</I>><i> > I've been trying to test the installer change below before RC4, thinking
</I>><i> > that it might be quite helpful.
</I>><i> >
</I>><i> > I am having a little bit of trouble however. Could someone point me in
</I>><i> the
</I>><i> > right direction on a couple
</I>><i> > of things.
</I>><i> >
</I>><i> > 1. How does the src tar.xz file for drakx-installer-stage2 get created?
</I>><i> I
</I>><i> > assume it comes from a
</I>><i> > build of <A HREF="svn://svn.mageia.org/svn/soft/drakx/trunk,">svn://svn.mageia.org/svn/soft/drakx/trunk,</A> but can't find how
</I>><i> it
</I>><i> > ends up as a tar.xz
</I>><i> >
</I>><i> > 2. When I've built a new stage2, any tricks on getting it into an ISO?
</I>><i> >
</I>><i> > I tried building an ISO based on beta3, with the new stage2, using
</I>><i> something
</I>><i> > like:
</I>><i> > mkisofs -o
</I>><i> > ~nelg/Mageia-3-beta3-x86_64-DVD/Mageia-3-beta3-x86_64-DVD-stage2.iso -b
</I>><i> > x86_64/isolinux/isolinux.bin -c boot.catalog -no-emul-boot
</I>><i> -boot-load-size
</I>><i> > 4 -iso-level 4 -J -R /tmp/tt/
</I>><i> >
</I>><i> > This is clearly not right. Is the a documented method I should use to
</I>><i> build
</I>><i> > a new ISO with a modified stage2?
</I>><i> > In the docs I have read:
</I>><i> >
</I>><i> <A HREF="https://wiki.mageia.org/en/Drakx-installer_tips_and_tricks#rebuild_the_stage_2">https://wiki.mageia.org/en/Drakx-installer_tips_and_tricks#rebuild_the_stage_2</A>
</I>><i> > and <A HREF="svn://svn.mageia.org/svn/soft/drakx/trunk/docs/README,">svn://svn.mageia.org/svn/soft/drakx/trunk/docs/README,</A> I have not
</I>><i> been
</I>><i> > able to find instructions on actually putting together an ISO.
</I>><i> >
</I>><i> > Is:
</I>><i> >
</I>><i> <A HREF="http://wiki.mandriva.com/en/How_to_remaster_a_personal_Mandriva-based_ISO">http://wiki.mandriva.com/en/How_to_remaster_a_personal_Mandriva-based_ISO</A>
</I>><i> > relevant for Mageia? I guess not, as mkcd does not seem to exist in
</I>><i> Mageia.
</I>><i> >
</I>><i> > So, a quick howto, or pointing me to the right documentation would be
</I>><i> great
</I>><i> > :)
</I>><i>
</I>><i> stage2 != ISO
</I>><i>
</I>><i> ISO is basically the stage1.
</I>><i> stage1 is build by drakx-installer-images from:
</I>><i> - some packages listed as BR, mainly the kernel drivers & firmwares
</I>><i> - drakx-installer-binaries that provide the actual stage1 binary
</I>><i>
</I>><i> => generates what is copied in isolinux/alt0 & in install/images/
</I>><i> (*.img + *.iso)
</I>><i>
</I>><i> stage2 is build by drakx-installer-stage2
</I>><i>
</I>><i> => generates what is in install/stage2: mdkinst.sqfs (a squashfs image)
</I>><i> there's also rescue.sqfs there that is an alternate stage2 used when
</I>><i> using the rescue.
</I>><i>
</I>><i>
</I>><i> stage1 is basically a special initrd that loads the appropriate
</I>><i> modules according to detected
</I>><i> hardware and to what is specified on command line (eg: the DVD tells
</I>><i> it to directly load
</I>><i> stage2 from the DVD image).
</I>><i> if not instructed to do sg, it displays the text menu asking from
</I>><i> where to install (dvd, hard disk,
</I>><i> network: http/ftp/nfs).
</I>><i> It's a small statically linked program + init + a dhcp client +
</I>><i> rescue-gui for the rescue menu
</I>><i>
</I>><i> it then loads stage2 (install/stage2/mdkinst.sqf or rescue.sqfs) from the
</I>><i> URL
</I>><i>
</I>><i> stage2 is real system, with dynamic libraries, that starts:
</I>><i> - an X11 server (if supported and if not asked for text mode)
</I>><i> - udev
</I>><i> and then go the install steps (language, license, partitionning,
</I>><i> installing, summary, updates, ...)
</I>><i>
</I>
Hi Thierry,
I appreciate you taking time to reply and let me know these details. It
confirms
my understanding. What I would like to know is how to create / master the
DVD
installer ISO, and make that master contain a stage2 that I have built.
I have been able to build a stage1 boot.iso, but what I would like is build
a
DVD image, based on Mageia-3-beta3-x86_64-DVD.iso, with just a different
stage2, and maybe a rebuilt stage1 if needed.
I guess someone must know how Mageia-3-beta3-x86_64-DVD.iso, and the
other images get created. I don't want to rebuild all the packages that go
in
them, just assemble one with the same packages as
Mageia-3-beta3-x86_64-DVD.iso, and a updated install/stage2/mdkinst.sqf
file.
Once this is figured out, I will happly update the Mageia wiki with
details, which
I think will be helpful for anyone wanting to make customised Mageia DVDs.
Regards
Glen Ogilvie
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