sudo apt-get install tetex-base tetex-bin tetex-extra sudo apt-get install xpdf
This produces a PDF file, FvMn.pdf.
At this point, you already know the basics of LATEXpretty well. This may well be enough for you.
To learn more, though, your next step should be to go through a few more real examples. Again, just compare the LATEX source code with the PDF files:
Don't try to learn everything at once! Just learn new things as the need arises. When you need to learn how to do X, look it up, probability on the Web. Most LATEXusers learn from examples and from searching the Web, NOT from a book (and definitely NOT from a formal course!).
Here are some resources for you: