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Re: Disabling UUID in grub-mkconfig_lib

From: Andrei Borzenkov
Subject: Re: Disabling UUID in grub-mkconfig_lib
Date: Sat, 13 Sep 2014 20:32:55 +0400

В Mon, 08 Sep 2014 12:07:07 +1000
Carl Turney <address@hidden> пишет:

> Hello, and thanks in advance,
> *****
> *****
> 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
> *****
> *****
> 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.

What exactly do you mean under "identify drives"? If you mean kernel
root=XXX parameter, just add (or change)


in /etc/default/grub. Your distribution may offer some GUI to edit this

> 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
> _______________________________________________
> Help-grub mailing list
> address@hidden

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