Modify root user permissions in mysql under linux

    mysql -u root -p

    Enter the database password corresponding to root and enter mysql

 

    USE mysql;
    SELECT 'host' FROM USER WHERE USER='root';
    UPDATE USER SET HOST = '%' WHERE USER ='root';
    FLUSH PRIVILEGES;
    The first sentence is to log in as the privileged user root
    The second sentence: select the mysql library
    The third sentence: Check the host value of the user table in the mysql library (that is, the host/IP name for connection access) The
    fourth sentence: Modify the host value (add the host/IP address with the wildcard %), of course, you can also directly Add the fifth sentence of the IP address
    : Refresh the MySQL system privilege related table