Unable to connect to your database server using the provided settings.
How to resolve database connection issues in gateway server.
Overview: This article helps gateway users to solve the 'ERROR: Unable to connect to your database server using the provided settings. Filename: core/Loader.php'
Step 1: Ensure the MySQL server is running on the gateway server. Run the below command to check the status
root@gateway:~# service mysql status
Step 2: Restart MySQL server
root@gateway:~# service mysql restart
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