directadmin DATABASE ERROR: CONNECTION FAILED! Unable to connect to the database! Please contact your server-administrator.
vi /root/.my.cnf
[client]
user=root
password="password"
Make sure mysql user username is set otherwise you will get error wrong da_roundcube password:
Executing database schema update.
ERROR: SQLSTATE[HY000] [1045] Access denied for user 'da_roundcube'@'localhost' (using password: YES)
ERROR: Failed to connect to database