[PATCH] Run debian live from initrd via PXE boot without NFS
Hi Steven (and list!),
How about this for an alternative patch...
Advantage:Does not need a command line but uses presence of the
squashfs in the initramfs to do the right thing.
Disadvantage: cant also used same initramfs to boot casper normally...
but then would you want to?
=== modified file 'scripts/casper'
--- scripts/casper 2007-02-16 16:54:16 +0000
+++ scripts/casper 2007-02-25 21:47:50 +0000
@@ -605,7 +605,9 @@
set_usplash_timeout
- if [ ! -z "${NETBOOT}" ]; then
+ if is_casper_path "" ; then
+ livefs_root="${mountpoint}"
+ elif [ ! -z "${NETBOOT}" ]; then
if do_netmount ; then
livefs_root="${mountpoint}"
else
On 22/02/07, Steven Shiau <steven@nchc.org.tw> wrote:
> Hi,
> We know there is a network boot mechanism based on NFS for Debian live.
> On the other hand, to run Debian live from initrd via PXE boot, i.e. all
> the files are in RAM, nothing is in NFS-based directory, seems to be
> another good idea. The following method works with
> http://live.debian.net/weekly-builds/20070219/i386/debian-live-etch-i386-standard.iso
> For us, this "frominitrd" method is useful when we just want to use a
> PXE server to provide a network boot service for client, and no NFS
> service is necessary. It's something like "fire and forget" mode. You
> can let client PXE boot, then the network cable for client is actually
> not necessary any more.
> The patch file for casper in initrd (for live-package 0.99.14-3) is
> attached, and the pxelinux config file in server is like:
> -------------------------------
> default linux
> label linux
> kernel vmlinuz
> append initrd=initrd.gz boot=casper frominitrd
> -------------------------------
> To use that, we have mount the isolinux/initrd.gz from
> debian-live-etch-i386-standard.iso , replace the patched linuxrc, and
> pack the initrd.gz with casper/filesystem.squashfs inserted.
> All the above steps can be done by the program in
> /opt/drbl/sbin/drbl-SL.sh in project DRBL (Diskless Remote Boot in
> Linux, http://drbl.sf.net), with drbl version 1.7.9-54 or later .
> Feel free to use it or modify if you think it's valuable.
> Thanks you for such a nice live package.
>
> --
> Steven Shiau <steven _at_ nchc org tw> <steven _at_ stevenshiau org>
> National Center for High-performance Computing, Taiwan.
> http://www.nchc.org.tw
> Public Key Server PGP Key ID: 1024D/9762755A
>
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>
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