Uh.. It's as easy to start a server with that as it is to start a server on your own computer. If you install windows, use Windows remote desktop, to access it and use it as any other computer, at which point,
Install blockland with the installer.exe
Run the Dedicated Server shortcut, you may need to put plaax-something arguments after it(someone please correct me on this)
then follow instructions when it asks you to setKey("xxxx");
Woila.
And if you want to make it hard on yourself, you could use ubuntu, just use
Greek's Tutorial