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Typically, when you install MySQL on Ubuntu, it asks you for a root password which you can then use to log into the database. It seems that MariaDB uses a plugin instead to authenticate the root user. This means that the only way to log into MariaDB by default as root is locally with sudo mysql -u root In order to give the root user a password and login the “traditional” way (which includes remote access via a tunnel) you have to do the following.
- Log into MariaDB as the Root user
sudo mysql -u root
- Disable the Auth Plugin
use mysql; update user set plugin='' where User='root';
- Create a password for the root user
grant all privileges on *.* to 'root'@'127.0.0.1' identified by '$STRONG_PASSWORD'; flush privileges;
- Restart MariaDB
sudo service mysql Restart
You can now access the root account with a password, and also over an SSH tunnel remotely.
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