How do I install a LaTeX .sty file on OSX?

Question

I have a LaTeX project set up:

tex/
  - documents/
      - some_file.tex
  - support/
      - todonotes.sty

where some_file.tex us

Answer 1

In Mac OS X (Snow Leopard 10.6.7) put your .sty file in

/usr/local/texlive/2010basic/texmf-dist/tex/latex/base/

Then, run texhash command. Don't forget to stay as a root user (like sudo -s )