How to prevent changing UUIDs on install?

[Dotan Cohen]

>>> Why not just save the old UUIDs and restore them after installing?
>>>
>>
>> Because I cannot ensure that I've replaced them everywhere that they are used.
>
> Restore them in the file systems you have replaced.
>
> sudo blkid lists all file systems with their labels and UUIDs. Save the
> output somewhere before you install the new system and then use tune2fs
> to restore the UUIDs after the installation.
>
>

Thanks, I had already discovered both these tools.However, I do not
know where the UUID is used in the filesystem. There is no longer
xorg.conf, no more grub as I know it, who knows what will become of
fstab in a year's time, etc. I am looking for a permanent solution,
not a one-time workaround.

-- 
Dotan Cohen

http://what-is-what.com
http://gibberish.co.il