For security reasons, OneinStack only allows the cloud host localhost to connect to the database，if you need a remote connection to the database，the following operations are required: 1. You must open port 3306 for Security groups 2. Database authorization Remote Connection Create a new account（Account name can not be root）
E.g:add a user named db_user, password db_pass，Authorized as % （% Represents all ip can connect, you can set the designated ip）db_name database all authority, the commands are as follows # mysql  -uroot  -p MySQL [(none)]> grant all privileges on db_name.* to db_user@’%’ identified by ‘db_pass’;  # Authorization statement，Special attention to the semicolon MySQL [(none)]> flush privileges; MySQL [(none)]> exit;  # Quit the database console, Special attention to the semicolon As shown below: