First of all, let’s backup the databases: mysqldump --all-databases > all_databases.sql Download the latest APT package repository wget https://dev.mysql.com/get/mysql-apt-config_0.8.10-1_all.deb Make sure you download the latest version of the package. Then instal it using dpkg: sudo dpkg -i mysql-apt-config_0.8.10-1_all.deb you will be prompted with a dialog box, asking which version to install. If MySQL 5.7 isn’t there, press enter then select the version 5.7 from the list, select OK. Then run the package...

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