Here is how to use GnomeBaker to make a CD in Linux. You don't have to use GnomeBaker to burn a CD, there are many burning software to choose from, like k3b for example.
If you're trying to sneak out of your house, there are some simple tactics you can use to do it quietly so you don't get caught. It's important to plan out how you'll get outside beforehand, as well as come up with an excuse for if someone spots you. Wait...