# sh VirtualBox_1.3.6_Linux_x86.run install
And I got these messages:
Verifying archive integrity... All good.
Uncompressing VirtualBox for Linux installation........
VirtualBox Version 1.3.6 (Tue Feb 20 13:26:32 CET 2007) installation
Please install the build and header files for your current Linux kernel.
The current kernel version is 2.6.19-1.2911.fc6
Problems were found which would prevent VirtualBox from installing.
Please correct these problems and try again.
How to install "the build and header files for your current Linux kernel"?