To upgrade MariaDB from version 10.2 to 10.3, follow these steps:
Note: Before upgrading, always make sure to take backup of your database.
1. Update your server: Before upgrading MariaDB, it’s important to make sure your server is up to date with the latest patches. You can do this using the following command:
sudo apt-get update
2. Stop MariaDB service: Stop MariaDB service before upgrading by using the following command:
sudo systemctl stop mariadb
3. Remove current version MariaDB: Remove the current version MariaDB before upgrading to the new version using the following command:
sudo add-apt-repository --remove 'deb [arch=amd64,arm64,ppc64el] http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.2/ubuntu bionic main'
sudo apt-get remove mariadb-server
4. Install the new version: Install the new version (10.3) of MariaDB using the following command:
sudo apt-get install software-properties-common
sudo add-apt-repository 'deb [arch=amd64,arm64,ppc64el] http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.3/ubuntu bionic main'
sudo apt-get install mariadb-server
sudo apt update
5. Upgrade the database: Once the installation is complete, run the following command to upgrade your database:
sudo mysql_upgrade -u root -p
6. Verify the new version: Verify the new version of MariaDB using the following command:
mysql --version
You should see the version number of MariaDB 10.3.
7. Restart MariaDB service: Restart MariaDB service using the following command:
sudo systemctl restart mariadb
Congratulations! Your MariaDB database has been successfully upgraded to version 10.3.