MariaDB in the penguin container of ChromeOS

I've got a Chromebook ; Installed MariaDB in penguin container :

apt install mysql-server
apt install mysql-workbench
systemctl status mariadb

https://discuss.linuxcontainers.org/t/using-lxd-on-your-chromebook/3823

https://www.maketecheasier.com/run-ubuntu-container-chrome-os/