How do I set up a public-server on minecraft?
Make a bukkit server. It allows you to get plug-ins which do the features you mentioned.
How to Setup a Public Minecraft Server?
Can't setup your own Minecraft server? Other people can't log in into your server? Well this is the article for you!
Minecraft server, friends can't reach server.?
You need to put good detail what you need help with. I have helped 34 people set up a minecraft server. If you have a skype add me lettucelad and ill share your screen and ill give you all the in...
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Minecraft Tekkit Server Troubles- How do i turn the server off?
have you tries the stop command
How to log in on minecraft server?
That is probably server specific. That is not an original mincraft feature. Go to the community website for the server, they should have instructions on how to chat.