There's an already built copy of Unreal for the YURT on vrlab2 located at: /home/andy/Desktop/UnrealYurt/UE4_nDisplay
You can also simply copy the entire UE4_nDisplay directory to your linux machine. Your mileage may vary.
You should only build on a laptop as a last resort. It's easier to copy than to build
Minimum Requirements:
8 GB Ram
Time
Suggested Requirements:
16-32 GB Ram
Time (though slightly less of it)
Download and run https://gist.githubusercontent.com/ess476/56e42e3a295b58f89e4ed776577c2501/raw/6934b03c66882fabde45d9313953be7712925a7e/build.sh
Make a pot of coffee this will take a LONG time. Expect this to take 2-4 hours and up to 30-30GB of space