Yes the command that I sent was "ia32-libs" :B just I wrote it wrong.
"apt-get search ia32" --> E: Invalid operation search
I didnīt know that XAMPP is a 32 bit app :/
I found this:
http://www.howtoforge.com/using-php5...n-ubuntu-11.10
I dont know how to continue after install php5. (I installed it succesfuly).
I'm a noob in linux u.u