1.輸入網址https://www.mysql.com/downloads/，進入downloads，選擇Community

2.選擇對應的版本和系統；

輸入命令：wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.19-1.el6.x86_64.rpm-bundle.tar  下載

3. 解壓縮

tar -xvf mysql-5.7.19-1.el6.x86_64.rpm-bundle.tar

4.rpm安裝

rpm -ivh mysql-community-common-5.7.19-1.el6.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.19-1.el6.x86_64.rpm
rpm -ivh mysql-community-client-5.7.19-1.el6.x86_64.rpm
rpm -ivh mysql-community-server-5.7.19-1.el6.x86_64.rpm

5.安裝成功后，修改my.cnf文件，添加user=root

vi /etc/my.cnf

6.初始化數據庫

輸入命令：mysqld --initialize-insecure

7.啟動

輸入命令：mysqld

這種啟動方法

或者 nohup mysqld &  方式啟動