install mariadb 10.4 ubuntu 18.04 code example

Example 1: ubuntu install mariadb

sudo apt update
sudo apt-get -y install mariadb-server
sudo mysql_secure_installation
sudo systemctl start mariadb
sudo systemctl enable mariadb

Example 2: install mariadb 10.2 ubuntu 16.04

sudo apt update
sudo apt install mariadb-server