Hi! Can anyone help me run Postgresql database server? I tried to reinstall it several times, but it doesn't work. pi@NanoPi-M4v2:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.5 LTS Release: 18.04 Codename: bionic pi@NanoPi-M4v2:~$ psql -V psql (Pos...