安装依赖

yum update

yum install ncurses-compat-libs

下载安装包

可以自行选择下载的版本 https://repo.mysql.com/yum/

wget https://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql-community-libs-5.7.31-1.el7.x86_64.rpm
wget https://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql-community-common-5.7.31-1.el7.x86_64.rpm
wget https://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql-community-client-5.7.31-1.el7.x86_64.rpm
wget https://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql-community-server-5.7.31-1.el7.x86_64.rpm

安装

rpm -Uvh mysql-community-libs-5.7.31-1.el7.x86_64.rpm
rpm -Uvh mysql-community-common-5.7.31-1.el7.x86_64.rpm
rpm -Uvh mysql-community-client-5.7.31-1.el7.x86_64.rpm
rpm -Uvh mysql-community-server-5.7.31-1.el7.x86_64.rpm

启动

systemctl start mysqld

查找默认密码

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

使用默认密码登录

mysql -u root -p