As the title suggests, there should be an Aternos lobby. Let's say that my friend wants to join my server, but I am unavailable. There should be a lobby where they can type ./join server_name. This would make it much easier for people to join servers without having to have access to the admin.
Friend Access sort of works, however, for my friends who are the opposite of tech savvy, they have trouble trying to turn it on. This lobby would make everything simple. Besides, with my lobby idea, people can join the server without having to contact the admin, and the admin doesn't even have to give the players access to the server page. It seems like a win-win
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