[xubuntu-users] Upgrading from 14.04 to 20.04 and owner/group IDchanged. How best to fix?

[Juan De Mola]

Maybe not. If it is not into the upgrade path.

El 27/9/20 a las 12:41 p. m., Ram Ramesh escribió:
> Hi,
>
>   I was with mythbuntu 14.04 and decided to upgrade to xubuntu 
> 20.04+mythtv. One striking thing I noticed is that all  user/group IDs 
> have changed between the versions that makes all prior recorded 
> program owned by strange users/groups. This will cause glitches in 
> recording/watching programs.  I need to fix this.
>
>  I cannot chown/chgrp to 20.04 defaults, as I still dual boot to 14.04 
> as 20.04 upgrade is going to take a while (many things do not work and 
> I may have to abandon upgrade in the worst case) I still need to have 
> owner/group IDs on file system preserved. Given this, the best choice 
> I have is to change the ID and group of 20.04 install in /etc/passwd 
> or /etc/group. Is this not advisable? Specifically, is there an 
> implicit assumption about IDs in the installation and maintenance of 
> 20.04 xubuntu?
>
>   If ok to change IDs to match the way it is in mythbuntu 14.04, is 
> there a known solution available before I come up with one?
> Also, is it as simple as merging old /etc/passwd or group with 20.04 
> default ones? I mean, are there other places where this information is 
> stored and I need to change there too?
>
> Regards
> Ramesh
>