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difficulty with 'bootfrom'
Working through Knoppix Hacks -- nice book -- but
can not get 'bootfrom' to perform at all !!
Seemingly whatever I try -- I keep getting
the message "... not mountable."
For example using
'knoppix bootfrom=/dev/hda6/KNOPPIX.iso'
(Though the hd name is just KNOPPIX) gives
"
/cdrom2.loop/KNOPPIX.iso: No such file or directory
Accessing KNOPPIX CDROM failed. /cdrom2.loop/KNOPPIX.iso is not mountable.
"
(and then it proceeds with CD boot). Pity !!
(this technique seems to have such promise
for experimenting with different ideas).
Kernel version is NOT the problem (p 12)
Hacks cd 2.4.26
Hacks hd 2.4.26
Please help with any other suggestions.
Filesystem is FAT32. Setup with PartitionMagic v6.0
Surely some of you giants have encountered
and solved this very issue -- no ??
Thanks -- JW --
-
Senior Member
registered user
Re: difficulty with 'bootfrom'
[quote=" 'knoppix bootfrom=/dev/hda6/KNOPPIX.iso'[/quote]
I'm just writing from 'bootfrom' so it really works!
If you have problems, please, check that the name of your iso file is correct e.g. KNOPPIX.iso (my iso is sk.iso) and you have moved that to the root of that /dev/hda6 partition or given the full path to your iso file.
The other thing: you must boot from the CD with the same kernel version.
If this don't work, there's something wrong with you iso file.
-tapsa-
-
tr, Thanks for your help
I never meant to imply that 'bootfrom' doesn't work
-- Only that I was unable to get it to --.
After I issued 'knoppix tohd=dev/hda6' I noted that
(on return to Win98se) my G: drive (which Linux
calls hda6) had a new subdirectory (subfolder)
named KNOPPIX which contained a large file also
named KNOPPIX (no .iso or any extension at all).
I am not now at home now but seem to remember
having tried
1. knoppix bootfrom=/dev/hda6/KNOPPIX.iso
2. knoppix bootfrom=/dev/hda6/KNOPPIX
3. knoppix bootfrom=/dev/hda6/KNOPPIX/KNOPPIX
4. knoppix bootfrom=/dev/hda6/KNOPPIX/KNOPPIX.iso
-- and possibly others as well --
all resulted in the ". . . not mountable." message.
What is truly puzzling about this is that when I
issue 'knoppix fromhd=/dev/hda6' it works flawlessly!
Thus it seems that the 'iso file' is OK and I earlier
addressed the 'kernel version' issue. Thanks again
for your help -- any other ideas ?? -- JW --
-
Senior Member
registered user
It looks like you mixed two different ways to run Knoppix from disk:
- from iso, where you run the knoppix.iso file as downloaded and
- from hd, where you use a file that Knoppix created during a previous boot because you entered the cheat code "tohd"
-
Senior Member
registered user
Hello
I'm having the same problem, but for me the system "can't mount cd-rom filesystem" and got into mini-linux (only support for mount, cat, no ls, no /bin...).
Can be possible that my problem is related to be an SCSI disk? (the machine is a cluster server... can't be possible to use other disk :cry: )
my /boot/grub/grub.conf:
title Knoppix ISO from HD
kernel /cluster-images/linux init=/etc/init ro ramdisk_size=100000 initrd=/cluster-images/minirt.gz console=tty0 console=ttyS0,115200n8 bootfrom=/dev/sda2 2 lang=en apm=power-off nofirewire nousb nomce noeject home=/dev/sda2 myconf=/dev/sda2 vga=normal BOOT_IMAGE=knoppix
initrd /cluster-images/minirt.gz
Wich is the idea
To run image downloaded from net and update our system only reinstalling the iso :)
In my configuration, minirt (now in /boot/cluster-images/minirt.gz) is taken from knoppix CD - subdirectory ISOLINUX and bootfrom tried specifying full path or just using /KNOPPIX/KNOPPIX names for automatically selection, none of this possibilities worked.
Any Idea?
Thanks a lot.
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