Centos7 安装Mysql 8.0

安装环境是Centos 7

第一步：下载rpm包

1、cd到正确存放软件包目录：wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.23-1.el8.x86_64.rpm-bundle.tar
2、对tar包进行解压：tar -xvf mysql-8.0.23-1.el8.x86_64.rpm-bundle.tar

第二步：依次安装rpm

rpm -ivh mysql-community-common-8.0.23-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-8.0.23-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-compat-8.0.23-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-8.0.23-1.el7.x86_64.rpm
rpm -ivh mysql-community-server-8.0.23-1.el7.x86_64.rpm

第三步：检查安装结果

systemctl status mysqld

第四步：启动mysql

systemctl start mysqld

第五步：修改root密码

查看临时密码：grep 'temporary password' /var/log/mysqld.log
登录mysql：mysql -uroot -p，输入密码后登录
修改root密码：ALTER USER 'root'@'localhost' IDENTIFIED BY 'newPassword'