1. Run the following commands to install the MySQL server and download the necessary repository
$ wget https://dev.mysql.com/get/mysql-apt-config_0.8.10-1_all.deb
$ sudo gdebi mysql-apt-config_0.8.10-1_all.deb
$ sudo apt-get update
$ sudo apt-get install mysql-server
2. The second command will ask for input
3. Choose 5.7 and select “OK”
4. Run the following command to check and confirm the new version
$ mysql --version
mysql Ver 14.14 Distrib 5.7.8-rc, for Linux (x86_64) using EditLine wrapper
5. Don' forget to run mysql_upgrade after installation to upgrade system tables and restart server, following MySQL Upgrading guide.
$ mysql_upgrade
or
$ sudo mysql_upgrade -u root -p
6. Restart mysql
$ sudo service mysql restart