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androidpostgresqlandroid-studiowifiapt

E:The repository 'http://apt.postgresql.org/pub/repos/apt tessa-pgdg Release' does not have a Release file

I have installed android studio on my linux mint 19.1 and after installation of it I restarted my PC. After restarting I couldn't see wi-fi sign in my machine.

Enable wifi option is not showing. I opened driver manager and I got the above error. I have already tried sudo apt-get update and sudo apt-get upgrade. I also restarted my machine several times.

Solution

  • I think this error appeared since the PostgreSQL repo doesn't have a release for "tessa".

    Two solutions:

    1. Edit the "/etc/apt/sources.list.d/pgdg.list" file (or another list file contains "http://apt.postgresql.org/pub/repos/apt tessa-pgdg Release") and change "tessa" to one of the version name supported by PostgreSQL (here is the list: https://apt.postgresql.org/pub/repos/apt/dists/).
    2. Simply delete "/etc/apt/sources.list.d/pgdg.list" or remove the line "http://apt.postgresql.org/pub/repos/apt tessa-pgdg Release" in other file if you are not using PostgreSQL.