I suggest you take a look at our installation guides. You can find these in the support section of the website: https://www.nomachine.com/all-documents.
Alternatively, you can find them also linked in our Knowledge Base https://www.nomachine.com/search/node/installation%20guide.
I also suggest you download and try the any of packages offering the virtual Linux desktop functionality. They are available in the following section of the website in evaluation. A good starting point is Terminal Server or Workstation: