In this article we will upgrade MySQL on Ubuntu 18.04 LTS from version 5.2.27 to 8.x using command line.

Step 1. Add MySQL APT repository

We will download and add the MySQL APT repository to system’s software repository list.Download and Add APT repository

$ wget https://repo.mysql.com//mysql-apt-config_0.8.14-1_all.deb

$ sudo dpkg -i mysql-apt-config_0.8.14-1_all.deb

The latest version of APT config can be found at https://dev.mysql.com/downloads/repo/apt/

The below screen will appear:

Select the MySQL Server & Cluster option and hit enter:

Now choose MySQL 8 option and press OK

Click Ok to finish the setup.

Step 2. Update APT index and install MySQL server

Now we will update thr APT index and install the latest version of MySQL server using the following commands.

$ sudo apt-get update

$ sudo apt-get install mysql-server

Confirm installation:

$ sudo apt policy mysql-server

Step 3. Manage mysql.service

You can use the following commands to manage mysql instance.Start the service

$ sudo systemctl start mysql.service

Stop the service

$ sudo systemctl stop mysql.service

Status of service

$ sudo systemctl status mysql.service