Making /etc/fstab persistent in live-system

Doug dmcgarrett at
Sun Oct 24 18:38:17 UTC 2010

On 10/24/2010 8:22 AM, Are Venes wrote:
> Hm, I can`t get my live-cd to boot a device from fstab. I have made the
> changes with chmod -x on the casper-scripts, and then i have entered
> following into my fstab:
> /dev/disk/by-label/MYLABEL /mnt/MYLABEL auto
> users,uid=1001,gid=1001,utf8, umask=000 0 0
> I have a user with user-id 1001. That user is supposed to have full
> access to the disk mounted into /mnt/MYLABEL. This seems to work fine in
> my installed version of Ubuntu, but when i try the same
> in the livesystem i get an error during boot. "An error occured while
> trying to mount /mnt/MYLABEL" or something in that regard.
> Any help are mostly appreciated. Thanks
> Den 17.10.2010 21:14, skrev Loïc Grenié:
>> 2010/10/17 Hal Burgiss<hal at>:
>>> On Sun, Oct 17, 2010 at 12:49 PM, Loïc Grenié<loic.grenie at>   wrote:
>>>>       That would work but it has the annoying side effect that it becomes
>>>>    cumbersome to modify /etc/fstab afterward (the first person only wanted
>>>>    that his/her fstab would not be reset at each boot).
>>> When did this "feature" come into play? That sounds really annoying (IMO).
>>      Which of the two features that /etc/fstab is reset or that
>> /etc/fstab is cumbersome
>>     to modify after a chattr +i ?
>>     - /etc fstab reset at each boot:
>>        It is "built-in" casper since at least Edgy. It's true only for
>> CD/USB key boot
>>     (I think). I reset it at each ubuntu upgrade of my USB key !
>>       Once again: for normal boot it is not true.
>>     - unmodifiable /etc/fstab if you set it immutable
>>        I think it's clear.
>>              Hope this helps,
>>                    Loïc
I may be wrong, but I don't think the live media accesses the files
on the hard disk, re fstab, and so on.  As someone pointed out on one of 
the lists, you can run a live CD without having a hd in the machine!

Blessed are the peacemakers...for they shall be shot at from both sides. 
  --A.M. Greeley

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