Upgrade to Ubuntu 24.04.1 LTS from 22.04.4 messed stuff up [closed]

A bunch of stuff seems to be messed up after upgrading from Ubuntu 22.04 to 24.04.1 Python3 and Postgres seem especially affected.

• had to reinstall pg_admin, but it's fine now, other than the fact it can't find my local postgresql server, though it can connect to remote ones.

• None of my python apps work now from within their virtual environments. I get messages like:ModuleNotFoundError: No module named 'flask'

• pip no longer works from my python virtual environments either. If I try to install a module within a venv I get something like ModuleNotFoundError: No module named 'pip' However pip does run outside of virtual environments. Should I uninstall and completely reinstall python3.

• I had much issue with postgresql, but I think the main issue is just a wrong port number now.sudo netstat -plunt |grep postgres returned nothing before I reinstalled it.I had trouble reinstalling it because of dependencies that refused to install stating that I'm "holding broken packages" even though there were no packages being held. I managed to purged it without destroying the directories, because I'm afraid of losing my existing databases. I reinstalled it, but get the following results:

• postgres --version returns Command 'postgres' not found, did you mean: and postgresql --version returns not found also

• systemctl status postgresql shows that it is active.

• pg_isready says /var/run/postgresql:5432 - no response.

• I get this message when I run psql.

psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: No such file or directory    Is the server running locally and accepting connections on that socket?

I noticed that the only files in that directory are called 16-main.pid and .s.PGSQL.5433, so it looks like maybe I just need to change the port it's running on, or point all the clients to the new port.

• netstat -a | grep 5433 showed me that it is running on port 5433 now!
• sudo netstat -plunt |grep postgres now shows activity on that port too!
• I cannot locate the pg_hba.conf file

If I could find the pg_hba.conf and change the port back that might solve my issues with this, but I can't seem to locate the pg_hba.conf file.

-Node seems to still work, thank God! I can still run npm run dev and my front end comes up, but my Python and Postgres backend is screwed.

• I tried to boot into the grub menu (holding down shift), but the only two versions there are 24.04 variants and have the same issues, so no rolling back for me I guess :(

-Guake hot-key command f10 no longer works when the desktop is showing. :-( How annoying. F10 was the only hot-key that didn't interfere with other apps, and now that doesn't work either. :-(

God knows what else is broken, these are just the things I needed to use today. Anyone else's life on pause due to updating? Advice for any of the above issues would be greatly appreciated.