TikZ

Some problems have been reported when compiling TikZ with TexLive 2009.

Whether compiling you get:

I can't  find file tikzlibrary

Then, it is possible you have problems with TexLive and need to install new TexLive version.

Download TexLive 2011 image:

wget http://ftp.oleane.net/pub/CTAN/systems/texlive/Images/texlive2011.iso

Mount the .iso image as root:

mount -o loop -t iso9660 texlive2011.iso /media/cdrom

Install TexLive:

./install-tl

Choose the following options:

Options -> Create SymLinks -> [Chose Standar Dirs]
Install

Get last pgp package: