1.下载mysql deb
https://dev.mysql.com/downloads/mysql/
#移动到/usr/local/src/目录，解压
sudo mv mysql-server_8.0.13-1ubuntu16.04_amd64.deb-bundle.tar /usr/local/src/
cd /usr/local/src/
sudo tar -xvf mysql-server_8.0.13-1ubuntu16.04_amd64.deb-bundle.tar
#更新，安装依赖
sudo apt-get update
sudo apt-get install libaio1
#安装MySQL
sudo dpkg -i mysql-common_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg-preconfigure mysql-community-server-core_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i libmysqlclient21_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i libmysqlclient-dev_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-community-client-core_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-community-client_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-client_8.0.13-1ubuntu16.04_amd64.deb
sudo apt-get -f install
sudo apt-get -f install libmecab2
sudo dpkg -i mysql-community-server-core_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-community-server_8.0.13-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-server_8.0.13-1ubuntu16.04_amd64.deb
#登陆MySQL
mysql -u root -p
#重启MySQL
sudo service mysql restart