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#160 worksforme Live CD needs improvement for general consumption xavid jdreed

Reported by jdreed, 15 years ago.


I finally got around to playing with the Live CD. It's a great start, but it needs some improvement before it's ready for general consumption:

  • Networking: Logins fail miserably if the machine isn't registered. I realize this is a function of our environment, but since we're aiming this CD at new Debathena users, we should probably figure out a way to do something clever if the machine isn't registered for DHCP (a zenity dialog would be fine, prompting the user for a static IP would be awesome). What would be clever would be if the livecd did some sort of check before starting the greeter. In a dhreg situation, all DNS requests return an A record for, which is's other interface. So perhaps the livecd could try to fetch, say,, and parse the output. If it it matches what is expected, then they have network. If it's a 404 error, or some other page, it means they're actually talking to And if it can't connect, then there's no networking at all.
  • Partitioner in GUI installer: The partitioner does not understand LVM. As most Linux distributions have been defaulting to LVM for a while, this means a user cannot, for example, replace an RHEL installation without nuking their entire volgroup. I realize this is an upstream problem, but this is kind of a dealbreaker, since the tty mode partitioner (available via a PXE install) understands LVM just fine. The user should at least be informed of this before trying to install. Perhaps the "install" utility on the desktop can be wrapped with something which warns the user what will and won't work.
  • Installation choices: Ideally, we'd give users the option of installing everything they can install from the installer script (except -cluster). However, in the short term, -standard and -workstation are fine. When we rename stuff, we should figure out if the latter will still mean -workstation or if we should change it to -graphical-login.
#169 fixed Live CD adjustments for debathena-login-graphical xavid broder

Reported by broder, 15 years ago.


I assume that the Live CD wants to run debathena-login-graphical, but install debathena-workstation.

This is just to track that that gets dealt with.

#235 fixed Debathena Live CD installs an initrd that enables compcache. xavid xavid

Reported by xavid, 15 years ago.

   debathena / livecd / xavid  19:54  ('I want to be the duke of Chicago.`)
       Jaunty-compatible live cd is pushed and ready for someone to prod on 
       debuild.  If someone other than me wants to try the
       less-trusted-version, http://debathena-livecd-build.xvm/cds/
   debathena / livecd / xavid  19:59  ('Sucks-to-be-you-tastic.`)
       I guess I'll send mail if no one's particularly up for prodding it now.
   debathena / livecd / andersk  16:53  (Anders Kaseorg)
       debathena-livecd-convert runs `update-initramfs -u` from inside the
       live CD chroot.  As it turns out, this results in machines installed
       using the live CD, such as, to be fuxx0red
       in various ways (e.g. compcache is enabled).
   debathena / livecd / broder  16:54  (Evan Broder)
       Can you put this on the existing Live CD bug, or open a new one?
   debathena / livecd / jdreed  16:54  (This zephyr does not necessarily reflect
       A new one, please.  The existing one is a bit too general
   debathena / livecd.d / jdreed  16:55  (This zephyr does not necessarily refle
       I blame the person who opened the ticket for not picking a better
       subject line
   debathena / livecd.d / broder  16:55  (Evan Broder)
   debathena / livecd / xavid  16:56  (“Werewolves stash their car keys. You don
       Is that called in the postinst of new kernels?
   debathena / livecd / andersk  16:56  (Anders Kaseorg)
       Yes, but you also call it explicitly.
   debathena / livecd / xavid  16:57  ("Never bite a gift horse in the neck.")
       Right, but I only started doing that a few days ago, and I didn't think
       ozok had been reinstalled in that time.
   debathena / livecd / ezyang  16:57  (Edward Z. Yang)
       Ozok was reinstalled on April 12th
   debathena / livecd / xavid  16:58  ('Do rocks chew their cud?')
       (Previously, the live CD would just be totally broken if there didn't
       exist a more recent kernel to upgrade to at build time.)
   debathena / livecd.d / jdreed  17:00  (This zephyr does not necessarily refle
       Is the LiveCD still a manual build process?  Weren't we going to do
       something about that?
   debathena / livecd / xavid  17:00  ('Look!  It's really happy!  And by happy,
       I can replace the explicit one with a call to mkinitramfs, but getting
       the postinst to DTRT will be more difficult.
   debathena / livecd / andersk  17:00  (Anders Kaseorg)
       Well, how do the Ubuntu guys do it?
   debathena / livecd.d / xavid  17:01  ('Sucks-to-be-you-tastic.`)
       The Live CD is automated but still has to be run manually, mostly
       because we're not past the point where we need to manually test each
       new iso
   debathena / livecd / xavid  17:02  (“Can vampires suck blood from rocks?”)
       No idea?  My main reference for this has been, which doesn't
       mention this issue.
   debathena / livecd / andersk  17:05  (Anders Kaseorg)
       Hmm, is the official CD’s casper/initrd.gz different from the
       /boot/initrd.img-2.6.27-11-generic in the filesystem image?
   debathena / livecd / xavid  17:05  ("Never bite a gift horse in the neck.")
       I assume so.
   debathena / livecd / xavid  17:08  ('Sucks-to-be-you-tastic.`)
       (Based on this new information; before I'd assumed they were the same.)
   debathena / livecd / andersk  17:10  (Anders Kaseorg)
       Have you looked at ?
   debathena / livecd / xavid  17:18  (“I like horse-molesting monkeys.”)
       Hmm; that's worth looking at.
   debathena / livecd / xavid  17:25  (“Where does the scary glowing man eat the
       Though, it looks like in those instructions it also uses the
       initramfs generated by installing a kernel, and has the same initrd in
       both the actual /boot and the outer /casper, so that doesn't address
   debathena / livecd / xavid  17:25  (“Welcome back cybergirls! and you—honorar
       What are the symptoms of compcache being enabled?  Are you certain that
       normal Ubuntus installed from a Live CD don't have it enabled?
   debathena / livecd / ezyang  17:26  (Edward Z. Yang)
       The easiest way to check is lsmod | grep compcache
   debathena / livecd / ezyang  17:26  (Edward Z. Yang)
       One important side-effect is that ramzswap is registered as swap
   debathena / livecd / ezyang  17:27  (Edward Z. Yang)
       I know fo sho that it isn't default, since we've had multiple confirm
       that, while they have the compcache kernel module, it was not active
   debathena / livecd / xavid  17:27  ('Can you guys tell me at wrapup if I’m th
       Hmm... well, I'll investigate more when I'm at a VMware and less
   debathena / livecd / ezyang  17:28  (Edward Z. Yang)
       Sounds good.
   debathena / livecd / xavid  17:28  (“There’s nothing that says we can’t have 
       I certainly don't do anything that would affect that directly.
   debathena / livecd / andersk  17:34  (Anders Kaseorg)
       compcache gets enabled if you boot with an initrd that was generated  
       on a system with the casper package installed.
   debathena / livecd / andersk  17:35  (Anders Kaseorg)
       > One important side-effect is that ramzswap is registered as swap
       (This is, in fact, entirely the point, not a side effect.)
   debathena / livecd / ezyang  17:35  (Edward Z. Yang)
       sure :-)
   debathena / livecd / xavid  17:42  ("Angry people are always cooler when they
       Ok, that should be easy enough to work around, then.
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