Douglas McClendon wrote:
Warren Togami wrote:
I need something similar to boot read-only OS images over PXE boot for
LTSP. Upstream LTSP5 uses nbd to serve a raw squashfs image as a
network block device, which means only a tiny bit needs to be in the
initrd and very little memory overhead. Parts of the read-only image
are streamed over the network on demand.
One architecture I've outlined here in the past, but haven't gotten
around to implementing yet is-
mount the squashfs via nfs or fuse-httpfs or the like, then otherwise do
everything else the same. Then post-boot, allow the user if they wish
to migrate the used squashfs either to ram or local disk via the same
devicemapper mirror 'trick' I used for rebootless installation.
Then subsequently (or alternately) you can use my rebootless
installation technique to convert the LiveOS(network-style) type running
OS into a completely normal installed running OS, without even having to
reboot. bwahahaha...
I forget the persons name, but I remember someone had already done the
first part of that, who posted here and on anaconda-devel within the
last year.
Think that was me... I've hacked up anaconda's init to not exit, then
call run-init, if the right boot flag is set. Why hack anaconda's init?
Because all the network bits are there with a GUI to use to configure
the network for nfs or searching for an iso image/cd. Then, if you
don't want to type you could use a kickstart file/boot cmdline to set
the boot arguments. I'm looking to try a reboot-less install from within
anaconda. What I'm looking to do is to install a live(cd) image by
anaconda via nfs,hd,cd. Once that is in place, exit anaconda, run-init
on the newly cloned install, calling first-boot to configure and
customize the rest of the package selection. Does this sound
do-able/reasonable?
Jerry
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