Re: Stuff Not Working after Upgrade - Missing Dependency

On 17/02/2025 23:43, Frank Leonhardt wrote:
> On 17/02/2025 23:07, Vincent Sabio wrote:
>> Hi folks,
>>
>> I just upgraded my server from 12.0-REL to 14.1-REL (yeah, I know) 
>> (I'm still running CentOS, too), and now PHP refuses to run. Typing 
>> php at the command line gives me:
>>
>> ld-elf.so.1: Shared object "libdl.so.1" not found, required by 
>> "libxml2.so.2"
>>
>> But this goes way beyond just php -- I get the same thing with dig, 
>> when trying to start named, etc.
>>
>> I've been pulling my hair out, trying updates and downgrades and 
>> side-parries and allkindsashit and I can't figure out how to fix this.
>>
>> Any help appreciated -- thanks!
>>
>> (Also didn't know which is the correct list for this issue, so 
>> figured I'd start here.)
>>
>>
>> - V
>
> This list is as good as any.
>
> I had hell when I went from 12 to 14 (via 13) on a workshop machine 
> (my gateway), so I just don't do it on anything "production". I spent 
> six months on and off, fiddling with it to try and see if there was 
> some cure by hand-fixing dependencies. At the weekend I gave up, 
> flattened it and installed everything from scratch.
>
> The problem with the shared objects is some of the packages don't 
> appreciate having the upgraded versions, so basically you've got to 
> upgrade (or reinstall) all the packages too - assuming you're using 
> packages. This is easier said than done, and inevitably you'll find a 
> package that doesn't have an upgrade anyway. I'm sure there's someone 
> hereabouts that'll have the binary upgrades working fine, but IME they 
> work between minor versions, and between one major version and the 
> next, but not across two major versions - and that includes if you 
> upgrade to the intermediate major version first. This is just my 
> rule-of-thumb.
>
> One approach that does work for me is to run the old environment in a 
> jail on the newer OS, and that's what I do now instead of trying an 
> in-place upgrade. Of course you can only do this if you have a backup 
> of the original. I always run "zfs snap -r" before an upgrade ;-)
>
> Good luck!
>
Forgot to mention that "pkg upgrade" or "pkg-static upgrade" is the 
command you want to try running to actually upgrade the packages.