cd /usr/local/mysql/bin sudo su sudo /usr/local/mysql/support-files/mysql.server stop # ./mysqld_safe --skip-grant-tables & ## 新开一个窗口 cd /usr/local/mysql/bin ./mysql -u -root ## For MySQL older than MySQL 5.7 use: ## UPDATE mysql.user SET Password=PASSWORD('your-password') WHERE User='root'; ## For MySQL 5.7+ use: USE mysql; UPDATE mysql.user SET authentication_string=PASSWORD("your-password") WHERE User='root';