https://dev.mysql.com/downloads/repo/yum/
注意构造下http://repo.mysql.com/mysql-community-release-el*-*.noarch.rpm
【以centos7为例】
安装mysql5.6
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
rpm -ivh mysql-community-release-el7-5.noarch.rpm
yum install mysql-server -y
service mysqld start
service mysqld status
systemctl enable mysqld.service
grep "password" /var/log/mysqld.log找初始密码，如果报找不到文件那就试试grep "password" /var/log/mysql/mysqld.log
mysqladmin -uroot -p password NewPassword回车输入初始密码来重置密码
安装mysql5.7
wget http://repo.mysql.com/mysql57-community-release-el7-11.noarch.rpm
rpm -ivh mysql57-community-release-el7-11.noarch.rpm
yum install mysql-server -y
service mysqld start
service mysqld status
systemctl enable mysqld.service
grep "password" /var/log/mysqld.log找初始密码，如果报找不到文件那就试试grep "password" /var/log/mysql/mysqld.log
mysqladmin -uroot -p password NewPassword回车输入初始密码来重置密码
安装mysql8.0
wget http://repo.mysql.com/mysql80-community-release-el7-3.noarch.rpm
rpm -ivh mysql80-community-release-el7-3.noarch.rpm
yum install mysql-server -y
service mysqld start
service mysqld status
systemctl enable mysqld.service
grep "password" /var/log/mysql/mysqld.log找初始密码，如果报找不到文件那就试试grep "password" /var/log/mysqld.log
mysqladmin -uroot -p password NewPassword回车输入初始密码来重置密码
为了下载速度快一些，如果是centos7可以替换URL为腾讯源地址（腾讯云上面没有centos8和centos9）
具体地址需自行打开如下URL找到精确URL
http://mirrors.tencent.com/mysql/yum/
如果服务器是腾讯云的，则可以替换公网域名为内网域名，这样更快
- 公网域名：mirrors.cloud.tencent.com或mirrors.tencent.com
- 内网域名：mirrors.tencentyun.com
