Assuming you have done the following configuration and try
So you start to try to connect to the server. After choosing Linux/Windows from the drop-down menu at the top, it unfortunately fails.
After the error message
Could not establish connection to “xxx” appears, check the error message below. If the error message contains:
1. Open Extensions in the left column, find the installed Remote -SSH, right-click, and select "Extension Settings"
2. Enter the config file path just now in Config File
3. Retry the connection and found success