How to install MySQL server on Debian or Ubuntu server?
As Matomo uses MySQL, it is necessary that it is installed and configured for Matomo to work.
The latest MySQL server can be installed with:
$ sudo apt-get update
$ sudo apt-get install mysql-server
Then run the MySQL secure installation tool to improve the default security settings:
$ mysql_secure_installation
We recommend to answer Yes to all the security questions in order to protect the MySQL server and implement some best practices.