Stream 9 安装Mysql

1.配置源

 yum -y install epel-release

 yum install wget

2.根据需要配置：

 systemctl disable firewalld

 systemctl stop firewalld

 firewall-cmd --state

 setenforce 0

 sed -ri 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config

3.安装数据库

 wget https://dev.mysql.com/get/mysql80-community-release-el8-1.noarch.rpm

 yum install mysql80-community-release-el8-1.noarch.rpm

 yum install mysql-community-server --nogpgcheck

4.修改密码配置服务启动

 vi /etc/my.cnf

 systemctl restart mysqld

 获取mysql的初始密码，在终端显示

 grep 'temporary password' /var/log/mysqld.log

 mysql -u root -p【密码是从上条命令获取的】

 ALTER USER 'root'@'localhost' IDENTIFIED BY '数据库自定义密码';