1.下載yum 源
wgethttps://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm
# 鏈接在這里找https://dev.mysql.com/downloads/repo/yum/
2.安裝 yum 源
sudo rpm -Uvh mysql57-community-release-el7-11.noarch.rpm
3.顯示所有的 GA 版本
yum repolist all | grep mysql
4.選擇安裝的版本
sudo yum-config-manager --disable mysql57-community
sudo yum-config-manager --enable mysql56-community
如果遇到sudo：yum-config-manager：找不到命令
yum -y install yum-utils
yum repolist enabled | grep mysql
5.安裝
sudo yum install mysql-community-server
6.啟動(dòng) Mysql Server
sudo service mysqld start
sudo systemctl start mysqld.service
sudo service mysqld status
sudo systemctl status mysqld.service
7.MySQL Server Initialization (for MySQL 5.7 only):
A superuser account?'root'@'localhost'?is created. A password for the superuser is set and stored in the error log file. To reveal it, use the following command:
sudo grep 'temporary password' /var/log/mysqld.log
其他版本沒(méi)有密碼
8.修改密碼
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
可能會(huì)報(bào)一下錯(cuò)誤捌蚊，5.7版本必須包含大小寫(xiě)字母，數(shù)字和特殊字符
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
