On a new install go to the latest version
Downloads Setting up MariaDB Repositories
latest: 10.5.8
version ( 20.04 “focal” )
Version ( 10.5 [Stable] )
Mirror : DigitalOcean – New York, US
It will update the databases for you. You can use sudo mysql_upgrade -u root -p to verify it is updated. It will install the repositories for future dist-upgrades.
I start by upgrading Ubuntu to latest and greatest.
sudo apt update
sudo apt list --upgradable -a
sudo apt dist-upgrade
sudo reboot
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You start by stopping mariadb and removing it.
sudo systemctl stop mariadb
sudo apt remove mariadb-server
Next you setup the new repository
sudo apt-get install software-properties-commonsudo apt-key adv --fetch-keys 'https://mariadb.org/mariadb_release_signing_key.asc'
sudo add-apt-repository 'deb [arch=amd64,arm64,ppc64el] http://nyc2.mirrors.digitalocean.com/mariadb/repo/10.5/ubuntu focal main'
sudo apt update sudo apt install mariadb-server
Then I run the upgrade commands again to get any patches
sudo apt update
sudo apt list --upgradable -a
sudo apt dist-upgrade