[mythtv-users] Caveats in upgrading from Ubuntu 18.04 + MythTV 29.1 to something newer?

[James]

> On 10 Mar 2023, at 10:00 pm, Barry Martin <barry3martin at gmail.com> wrote:
> 
> 
> Hi Will!
>> Given the upcoming EOL of Ubuntu 18.04, I figure that it's time to 
>> update things.  But before I dig into this project, I'm curious about 
>> any snags that one might expect in either the updating of a MythTV box's 
>> underlying Ubuntu version, or the updating of MythTV itself.
> One problem you will run into is Ubuntu 22.04 will update MythTV to version 32, or at least it does with the computers here running Frontends.  MythTV will only 'see' one version, so a version 29 will not see a version 32.
> From my notes to update to Ubuntu 22.04 while staying at MythTV version 31 (hopefully work for your version 29):
> 
> 
> 
> Keep system from upgrading from the desired version. No need to set a specific version.
> sudo apt-mark hold mythtv-frontend
> 
> 
> 
> Keep system from upgrading from the desired version. No need to set a specific version.
> sudo apt-mark hold libmyth*
> Had found there were numerous libraries so why the use of the wildcard.
> 
> 
> Then do your OS upgrade.  Quite frankly this isn't foolproof: I had one Frontend going from 18.04 --> 20.04 --> 22.04 (you can only go one version at a time) which didn't like a certain libmyth file, copied (then renamed), did an update/upgrade and it was fine, re-held the file, and the rest of the transition to Jammy Jellyfish went fine.  I have another Frontend which is still complaining about some file not being current and so is stuck at 20.04 -- at least have a couple of years to figure that out!

Building the version you want, particularly ubuntu host, with ansible, is quick and easy and will let you get the latest fixes.
Personally I would never leave my mythtv to the whims of others, The only caveat is you need a good idea about the ins and outs of mythtv eg mysql setup and mythconverg_backup.pl, mythconverg_restore.pl
James

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