sudo apt-get install texlive-full
sudo apt-get install liblatex-driver-perl
pdflatex

http://www.latex-tutorial.com/tutorials/
http://blog.renren.com/share/340810614/15159950250
http://askubuntu.com/questions/166679/how-can-i-convert-a-tex-file-to-pdf-on-via-the-command-line
http://manpages.ubuntu.com/manpages/precise/man1/latex2pdf.1p.html