So what is your question? Are you trying to find a way to install Linux without a disc drive? When posting on here it is always important to give us as much detail's as possible especially to let us know what you are asking. If trying to install Linux here is a guide from the Ubuntu community on how to set up Ubuntu from a USB drive which the concept should work with many other Linux operating systems. If you have any further question please give us more details so we can better answer the question.