修改用戶 isf 運行 卸載mysql top lte cat host cati

#1.停止mysql數據庫 /etc/init.d/mysqld stop #2.執行如下命令 mysqld_safe --user=mysql --skip-grant-tables --skip-networking & #3.使用root登錄mysql數據庫 mysql -u root mysql #4.更新root密碼 mysql> UPDATE user SET authentication_string = password ( ‘new-password‘ ) WHERE User = ‘root‘ ; #5.刷新權限 mysql> FLUSH PRIVILEGES; #6.退出mysql mysql> quit #7.重啟mysql /etc/init.d/mysqld restart #8.使用root用戶重新登錄mysql mysql -uroot -p Enter password: <輸入新設的密碼newpassword> --當修改密碼時提示ERROR 1819 (HY000): Your password does not satisfy the current policy requirements 需要修改validate_password_policy的值： mysql> set global validate_password_policy=0; 再查看 mysql> select @@validate_password_length; --當卸載mysql提示error reading information on service mysqld: Invalid argument 可使用命令：rpm -e --nopreun --nopostun --nodeps mac mysql error You must reset your password using ALTER USER statement before executing this statement. 安裝完mysql 之後，登陸以後，不管運行任何命令，總是提示這個 step 1: SET PASSWORD = PASSWORD(‘your new password‘); step 2: ALTER USER [email protected]