Problem: Cannot connect remotely mysql or postgresql

Solution:

Allow ports 3306 for mysql or 5432 for pgs.

Go to /etc/mysql/mariadb.conf.d/50-server.cnf and change bind-address = 0.0.0.0. Restart mysql pr maria actually.

Go to hestiacp postgresql configuration part. Go and change listen_addresses = ‘*’, remove comment. Restart psg.

Done.