install mariadb:10.5.4 ubuntu20 code example

Example 1: install mariadb 10.2 ubuntu 16.04

sudo apt update
sudo apt install mariadb-server

Example 2: mariadb install on ubuntu 20.04

GRANT ALL ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;