Virtualization in Linux

Installation of VirtualBox in Fedora 8 in Four Steps.
1. First download VirtualBox rpm package from website. Run the following command to download the package.wget http://download.virtualbox.org/virtualbox/2.1.4/VirtualBox-2.1.4_42893_fedora8-1.i386.rpm
2. When package will be downloaded, you will need to rename that package. Run following command to rename the package.
cp VirtualBox-2.1.4_42893_fedora8-1.i386.rpm\?e\=1235648684\&h\=d3621aba1a93f87daa9ed33faa0c8486 VirtualBox-2.1.4_42893_fedora8-1.i386.rpm
note: your downloaded package name can be different than given in command. So take care of it.
3. Install rpm with the following command.
rpm -ivh VirtualBox-2.1.4_42893_fedora8-1.i386.rpm
4. After installation of rpm package add user root to vboxusers group.
/usr/sbin/usermod -G vboxusers root