centos 安装mysql

https://blog.csdn.net/typa01_kk/article/details/49057073

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
yum -y install mysql57-community-release-el7-10.noarch.rpm
yum -y install mysql-community-server
systemctl status mysqld.service 或 service mysql start

想进入MySQL还得先找出此时root用户的密码，通过如下命令可以在日志文件中找出密码，有的可以直接进
grep “password” /var/log/mysqld.log
通过输入密码进入数据库

https://blog.csdn.net/qq_44378358/article/details/123178588