For those moments when you can’t trust the WLAN.. wherever that may be.
Let’s tunnel the connection using openVPN and get some security / bypass the nosey operator of the WLAN
(using Ubuntu server 14.04 here…)
the client side will be using network-manager

DISCLAIMER: we will be breaking some conventions here – the idea is that I will be the only user most of the time and there will be only one instance of openvpn running. Will adjust later if needed :)

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minecraft recommends oracle’s java engine so let’s do this the right way

1) download minecraft.jar
2) install oracle’s jre
3) create a launcher > in fact there is an easier way > the launcher will get the binaries :)
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if you run a server in offline mode you can change client’s username like this:
Linux:
in your homedir in .minecraft
for Windows:
C:\Users\andreas\AppData\Roaming\.minecraft\

open launcher_profiles.json

and change
“displayName”: “YOUR_NAME”,

take care not to go online with this