How to initiate federation to an instance

cross-posted from: https://lemmy.cafe/post/350

In case your instance does not federate to something you would like it to, follow these steps:

• Go to your instance URL in a web browser - https://lemmy.cafe
• Click Communities
• Enter something in format <!community@instance>, e.g. !general@lemmy.cafe. Click the search button.
• Nothing will show up, give it a couple of seconds
• Click Communities again
• Select All
• Your searched community should now be on the list
• Click Subscribe next to it
• ???
• Profit!