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【Linux】CentOS6上mysql5.7安裝

1.下載安裝yum源

根據系統下載yum源

https://dev.mysql.com/downloads/repo/yum/

rpm -ivh xxxxx.rpm

2.修改yum源

vim /etc/yum.repos.d/mysql-community.repo

enable想要下載的版本

3.安裝mysql

yum install mysql-community-server

4.啟動

配置裡修改了以下datadir路徑

vim /etc/my.cnf

啟動服務

service mysqld start

檢視root初始密碼

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

登入資料庫

shell> mysql -uroot -p

 

此時使用會報錯“You must reset your password using ALTER USER statement before executing this statement.” 

使用以下步驟設定新密碼:

step 1: SET PASSWORD = PASSWORD('your new password');

step 2: ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;

step 3: flush privileges;

 設定完成後重新登入資料庫