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_5.7.24-1ubuntu16.04_amd64.deb-bundle.tar /usr/local/src/
cd /usr/local/src/
sudo tar -xvf mysql-server_5.7.24-1ubuntu16.04_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_5.7.24-1ubuntu16.04_amd64.deb
sudo dpkg-preconfigure mysql-community-server_5.7.24-1ubuntu16.04_amd64.deb
sudo dpkg -i libmysqlclient20_5.7.24-1ubuntu16.04_amd64.deb
sudo dpkg -i libmysqlclient-dev_5.7.24-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-community-client_5.7.24-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-client_5.7.24-1ubuntu16.04_amd64.deb
sudo apt-get -f install
sudo apt-get -f install libmecab2
sudo dpkg -i mysql-community-server_5.7.24-1ubuntu16.04_amd64.deb
sudo dpkg -i mysql-server_5.7.24-1ubuntu16.04_amd64.deb
#进入MySQL: mysql -u root -p
#启动: sudo service mysql start
#重启:sudo service mysql restart
#关闭: sudo service mysql stop
#检查mysql是否在运行: sudo service mysql status
1、数据库目录
/var/lib/mysql/
2、配置文件
/usr/share/mysql（mysql.server命令及配置文件）
3、相关命令
/usr/bin(mysqladmin mysqldump等命令)
4、启动脚本
/etc/rc.d/init.d/（启动脚本文件mysql的目录）
