centos 7 yum安装mysql5.7

下载mysql源

wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm

安装源

rpm -ivh mysql57-community-release-el7-8.noarch.rpm

安装程序

yum -y install mysql-server

如果错密药不对

执行：rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

启动程序

systemctl start mysqld

找密码

cat /var/log/mysq.log |grep password

改密码

set password for root@localhost=password('Aa-111111')