This was modified for the instructions given for 4.2 from the (German) blog at http://fedorawiki.de/index.php/Truecrypt
Set up yum
# yum install yum-utils# yum install rpm-build redhat-rpm-config unifdef
Install Kernel Sources
This install the sources from the rpm downloaded into the current directory. The rpm can be discarded afterwards.# yumdownloader –source kernel –enablerepo core-source –enablerepo updates-source# mkdir /usr/src/redhat # [...]