How To Install MySQL 8.0

Ubuntu 18.04

# download the APT config package form official web site 
wget https://dev.mysql.com/get/mysql-apt-config_0.8.14-1_all.deb
# install the APT package, just select `OK` to continue
sudo dpkg -i mysql-apt-config_0.8.14-1_all.deb
# update source and install MySQL server. set init password, select `OK`, choose the default password encryption ...
sudo apt-get update && apt-get install mysql-server
# check the version
mysql --version
# this will print as below if everything goes well
# mysql  Ver 8.0.27 for Linux on x86_64 (MySQL Community Server - GPL)