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root_password.md

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root password

  • 设置跳过验证

      [mysqld]
  ....
  skip-grant-tables

    重新启动mysql服务

  • 更新密码

      mysql> SET PASSWORD FOR "root"@"localhost" = PASSWORD("lcp0578");
  ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables opt
  ion so it cannot execute this statement
  mysql> UPDATE user SET authentication_string=Password("lcp0578") WHERE User="roo
  t";
  Query OK, 1 row affected, 1 warning (0.00 sec)
  Rows matched: 1  Changed: 1  Warnings: 1
  
  mysql>
  mysql> flush privileges;
  Query OK, 0 rows affected (0.01 sec)

  • 如果提示密码过期

    Your password has expired. To log in you must change it using a client that supports expired passwords.

      $ mysqladmin -u root -p password
  Enter password: *******
  New password: *******
  Confirm new password: *******
  Warning: Since password will be sent to server in plain text, use ssl connection to ensure password safety.