[PLUG] Looking for netboot rescue image
plug at eehouse.org
plug at eehouse.org
Sun Sep 30 18:14:37 UTC 2007
I asked:
> > My home network is set up to net-install Debian onto pxe-bootable
> > machines. Unlike CD-based installers, net installers don't seem to
> > have a rescue mode -- or at least not one that doesn't need external
> > net access. I'd like to download, or build, a self-sufficient
> > net-bootable rescue image. Any suggested sources?
Then "Eli Stair" <eli.stair at gmail.com> replied:
> I set up knoppix to boot from a menu.c32 PXE menu system at work to
> help the desktop-support guys with troubleshooting.
>
> Here's my PXE menu config for this entry:
>
> # knoppix OS netboot
> LABEL knoppix
> MENU LABEL Knoppix 5.1.1 Netboot
> KERNEL boot_images/UTIL/knoppix-5.1.1/vmlinuz-knoppix-5.1.1
> APPEND secure nfsdir=1.1.1.1:/path/boot/knoppix_511 lang=us
> ramdisk_size=100000 init=/etc/init apm=power-off nodhcp nomce vga=791
> initrd=boot_images/UTIL/knoppix-5.1.1/minirt-knoppix-5.1.1.gz
> BOOT_IMAGE=knoppix
>
> Lemme know if you need any more help.
I've discovered another constraint: no nfs. The debian installer fits
everything it needs into the initrd file served up by the tftp server.
I guess building my rescue netboot image is simply a matter of seeing
how much I can squeeze into that file using mkinitramfs and its config
files. (Assuming the initrd FS doesn't go away after boot time; still
trying to understand that...)
Thanks,
--Eric
--
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