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Can someone help me to understand how to host a Minecraft server through an IP?
I am connected to the internet through not one but two routers!
On Windows 7 I was used to using Hamachi. Is there an alternative (in Ubuntu) to Hamachi that doesn't request the program itself?
You can try no-ip service.
From FAQ:
Our Free Dynamic DNS service takes your Dynamic IP address and makes it act as though it is static by pointing a static hostname to it and checking every 5 minutes for changes to your IP address. If your IP address changes, our Dynamic Update Client updates your hostname with the current IP address. Which means you can run a server from home and access your computer, or IP camera remotely.
