Linux6.9用RPM方式安装MySQL5.7.21

1.下载安装包

wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.21-1.el6.x86_64.rpm-bundle.tar

2.解压缩

tar -xf mysql-5.7.21-1.el6.x86_64.rpm-bundle.tar

3.安装依赖包

yum install -y numactl
yum install -y perl

4.依次安装

rpm -ivh mysql-community-common-5.7.21-1.el6.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.21-1.el6.x86_64.rpm
rpm -ivh mysql-community-devel-5.7.21-1.el6.x86_64.rpm
rpm -ivh mysql-community-client-5.7.21-1.el6.x86_64.rpm
rpm -ivh mysql-community-server-5.7.21-1.el6.x86_64.rpm

5.启动服务

service mysqld start

6.修改安全模式

vim /etc/my.cnf

在最后添加 skip-grant-tables，保存退出重启mysql服务

7.修改root密码

use mysql
update user set password_expired='N' where user='root';    
update user set authentication_string=password('123456') where user='root';
flush privileges;

退出并去掉之前的skip-grant-tables，之后重启MySQL服务