The user interface is on ports 2082 & 2083 (SSL)
Here's a complete list of the ports:
https://kb.starburstservices.com/control-web-panel-cwp/control-web-panel-cwp-admin-tutorials/commonly-used-ports-control-web-panel-cwp/You have to use the built-in FileManager, DB backups are in /backup/mysql and then /daily, /weekly, /monthly.
To restore a backup you have to use phpMyAdmin under SQL Services.
This is also where the MariaDB Manager is at, it's called MySQL Manager.
You can create databases & users there.
To access CLI, depends on how your provider offer console access via their site or VNC.
For SSH, I would recommend Bitvise. But that comes down to personal preference.
If you have questions, feel free to ask.
We're running CWP under AlmaLinux 8.x and 9.x