First, always give errors your getting when something "doesn't work". It will make helping you that much more easier, no matter where you are in life.
You need to find out where you got those commands from and ask for help at the place the author directs you.
We didn't write those commands.
The original section you posted this in is intended for troubleshooting ULX itself, and for supporting other stuff Team Ulysses created, so I've moved it to off topic.