Thank you for helping me with the solution, but apparently I decided to
update Ubuntu to version 24 and it helped me install postgis easily
пн, 23 сент. 2024 г. в 18:57, Christoph Berg <myon(at)debian(dot)org>:
> Re: Pavel Konoplev
> > I use:
> > Distributor ID: Ubuntu
> > Description: Ubuntu 22.04.5 LTS
> > Release: 22.04
> > Codename: jammy
> >
> > ahh, i haven't this file (etc/apt/sources.list.d/pgdg.sources)... what
> > should be in this file?
>
> You should have some file in /etc/apt/sources.list* which mentions
> focal-pgdg. Update that to jammy-pgdg.
>
> Christoph
>