Deinstallieren von Postgres auf Fedora

Quelle: https://kb.objectrocket.com/postgresql/how-to-completely-uninstall-postgresql-757
Be sure to elevate the privileges for any of the commands in this article with 
sudo if the terminal returns a 
Permission denied error.
Uninstall and remove PostgreSQL packages on Fedora Linux
You can use the DNF repository’s 
dnf command to uninstall PostgreSQL on Fedora-based distributions of Linux:
sudo dnf remove postgresql
To use a wildcard operator (
*) to remove all packages with names beginning with 
postgres, use the following command:
sudo dnf remove postgres\*
Be sure to remove the 
pgsql directory as well:
sudo rm /var/lib/pgsql -d -r