APT-based systems

1. Reconfigure the apt to switch to MySQl 8.0:

shell> sudo dpkg-reconfigure mysql-apt-config

1. Run apt-get update:

shell> sudo apt-get update

1. Remove the current version:

shell> sudo apt-get remove mysql-community-server mysql-client mysql-common mysql-community-client mysql-community-client-core mysql-community-server mysql-community-server-core -y
shell> sudo apt-get autoremove

1. Install MySQL 8:

shell> sudo apt-get update
shell> sudo apt-get install mysql-server
shell> sudo apt-get install libmysqlclient21