[Mageia-dev] drakxtools & drakx-installer-stage2 (mga#9428)

Fri Mar 22 23:34:55 CET 2013

On 23 March 2013 07:37, Thierry Vignaud <thierry.vignaud at gmail.com> wrote:
+
+> On 22 March 2013 12:20, Glen Ogilvie <nelg at linuxsolutions.co.nz> wrote:
+> > I've been trying to test the installer change below before RC4, thinking
+> > that it might be quite helpful.
+> >
+> > I am having a little bit of trouble however.  Could someone point me in
+> the
+> > right direction on a couple
+> > of things.
+> >
+> > 1. How does the src tar.xz file for drakx-installer-stage2 get created?
+>   I
+> > assume it comes from a
+> > build of svn://svn.mageia.org/svn/soft/drakx/trunk, but can't find how
+> it
+> > ends up as a tar.xz
+> >
+> > 2. When I've built a new stage2, any tricks on getting it into an ISO?
+> >
+> > I tried building an ISO based on beta3, with the new stage2, using
+> something
+> > like:
+> >   mkisofs -o
+> > ~nelg/Mageia-3-beta3-x86_64-DVD/Mageia-3-beta3-x86_64-DVD-stage2.iso -b
+> > x86_64/isolinux/isolinux.bin -c boot.catalog  -no-emul-boot
+> -boot-load-size
+> > 4 -iso-level 4 -J -R /tmp/tt/
+> >
+> > This is clearly not right.  Is the a documented method I should use to
+> build
+> > a new ISO with a modified stage2?
+> > In the docs I have read:
+> >
+> https://wiki.mageia.org/en/Drakx-installer_tips_and_tricks#rebuild_the_stage_2
+> > and svn://svn.mageia.org/svn/soft/drakx/trunk/docs/README, I have not
+> been
+> > able to find instructions on actually putting together an ISO.
+> >
+> > Is:
+> >
+> http://wiki.mandriva.com/en/How_to_remaster_a_personal_Mandriva-based_ISO
+> > relevant for Mageia?  I guess not, as mkcd does not seem to exist in
+> Mageia.
+> >
+> > So, a quick howto, or pointing me to the right documentation would be
+> great
+> > :)
+>
+> stage2 != ISO
+>
+> ISO is basically the stage1.
+> stage1 is build by drakx-installer-images from:
+> - some packages listed as BR, mainly the kernel drivers & firmwares
+> - drakx-installer-binaries that provide the actual stage1 binary
+>
+> => generates what is copied in isolinux/alt0 & in install/images/
+> (*.img + *.iso)
+>
+> stage2 is build by drakx-installer-stage2
+>
+> => generates what is in install/stage2: mdkinst.sqfs (a squashfs image)
+> there's also rescue.sqfs there that is an alternate stage2 used when
+> using the rescue.
+>
+>
+> stage1 is basically a special initrd that loads the appropriate
+> modules according to detected
+> hardware and to what is specified on command line (eg: the DVD tells
+> it to directly load
+> stage2 from the DVD image).
+> if not instructed to do sg, it displays the text menu asking from
+> where to install (dvd, hard disk,
+> network: http/ftp/nfs).
+> It's a small statically linked program + init + a dhcp client +
+> rescue-gui for the rescue menu
+>
+> it then loads stage2 (install/stage2/mdkinst.sqf or rescue.sqfs) from the
+> URL
+>
+> stage2 is real system, with dynamic libraries, that starts:
+> - an X11 server (if supported and if not asked for text mode)
+> - udev
+> and then go the install steps (language, license, partitionning,
+> installing, summary, updates, ...)
+>
+
+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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