(Source)
A few steps:
1 2 3 | sudo apt-get install software-properties-common dirmngrwget -qO - https://mariadb.org/mariadb_release_signing_key.asc | sudo apt-key add -nano /etc/apt/sources.list.d/mariadb.list |
In mariadb.list we add the two below lines:
1 2 | deb [arch=amd64,i386,ppc64el] http://mirror.23media.de/mariadb/repo/10.4/debian stretch maindeb-src http://mirror.23media.de/mariadb/repo/10.4/debian stretch main |
Then:
1 2 | apt-get updateapt-get install mariadb-server |