For Debian GNU/Linux 11 or 10 LTS, Linux Capable has released a simple guide with step-by-step instructions for installing the MariaDB 10.x database server.

How to Install MariaDB 10.x on Debian 11 or 10

Learn step-by-step how to install MariaDB 10.10, 10.9, 10.8, 10.7, 10.6 or 10.5 on Debian 11 or Debian 10. Easy guide with detailed commands for successful installation.

How to Install MariaDB 10.x on Debian 11 or 10 - LinuxCapable