VestaCP
Vesta control panel (VestaCP) is an open source hosting control panel, which can be used to manage multiple websites, create and manage email accounts, FTP accounts, and MySQL databases, manage DNS records and more.
How to Install Vesta Control Panel on Linux
VestaCP is open source hosting control panel that provides many features to manage domains, DNS, mail, databases, cron jobs, backups and much more. On Linux systems, a control panel is a graphical user interface (GUI) that displays a simplified set of controls for your system.
Solve Rouncube Database Error Connection Failed
Change the password as follows:
1. Open: /var/lib/roundcube/config/db.inc.php and then look for the password in the command
$rcmail_config['db_dsnw'] = 'mysql://roundcube:password@localhost/roundcube';
2. Copy the password only.
3. Now open: /etc/roundcube/debian-db.php
4. Find:
$dbpass='wrong_password';
5. Replace "wrong_password" with the correct password that you just copied.