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Re: Disabling UUID in grub-mkconfig_lib


From: Carl Turney
Subject: Re: Disabling UUID in grub-mkconfig_lib
Date: Fri, 12 Sep 2014 22:54:44 +1000
User-agent: Mozilla/5.0 (X11; Linux i686; rv:13.0) Gecko/20120615 Thunderbird/13.0.1

Hello All,

4 days (below) and no one has posted any reply.

Have I done or said anything wrong?

Was my question incorrectly formatted?

Have I posted my question to the wrong email list?

Thanks for any guidance.

Regards,

Carl Turney
Melbourne, Australia


On 08/09/14 12:07, Carl Turney wrote:
Hello, and thanks in advance,

*****
INTRO/EXPLANATION:
*****

Although I have done some programming (only part-time, long ago, and in
obsolete languages)... Currently I'm just a busy user (NOT an IT
technician) and don't have the time to fully learn/understand all the
concepts in "the GNU GRUB manual".

Anyone generous enough to just answer my question (below), with a bare
minimum of assumptions and background explanation?  Thank you VERY much.
  It's GREATLY appreciated.

For many years my single-disk stand-alone Ubuntu 10.4 worked =fine=,
after I've tweaked it to identify hard disk drives by device specs
(/dev/sda#), instead of by UUID.  (Could go into an explanation of why,
but it's solid and this email is too long already.)

Now installing latest Mint on a new box, and dusting off my old "disable
UUID" configuration notes-to-self.

I am still fine with making all the necessary relevant edits to:
   /etc/default/grub
   /etc/fstab
   /etc/initramfs-tools/conf.d/resume
... and then running update-grub2

*****
QUESTION:
*****

BUT: I'm rusty, and really need some help on =exactly= what lines to
comment out of (or edit within)...
   /usr/share/grub/grub-mkconfig_lib
     and (?)
   /usr/lib/grub/grub-mkconfig_lib
... to identify drives by device specs instead of UUID.

These files are 9.8kB, were created 11 Apr 2014 at 20:51 EST, and came
with the Mint 17 install ISO.

My best guesses are, on each of the above two files:

   Comment out the section on GRUB_ENABLE_CRYPTODISK (am not using)

   Comment out:
     the two lines starting with   if fs_uuid=
     their then lines (and the subsequent then code),
     their else lines (but NOT the subsequent code),
     and their fi lines.

Correct guesses?

Notes:  Will do this on a "scratch monkey" at first.  All data very well
backed up, and off-site.

Help.  Thanks!

Carl Turney
Melbourne, Australia

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