This was wholesale copied 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



# yumdownloader --source kernel --enablerepo core-source --enablerepo updates-source


Install Kernel Sources


# mkdir /usr/src/redhat # due to packaging problem, I guess
# rpm -ivh kernel-$(uname -r).src.rpm



# cd /usr/src/redhat/SPECS
# rpmbuild -bp --target $(uname -m) kernel-2.6.spec


Copy dm.h into the right place


# cp /usr/src/redhat/BUILD/kernel-2.6.19/linux-2.6.19.$(uname -p)/drivers/md/dm.h /usr/src/kernels/$(uname -r)-$(uname -m)/drivers/md/


Get and unpack truecrypt sources

Get truecrypt source.

# tar xfz truecrypt-4.2a-source-code.tar.gz -C /tmp


Patch the truecrypt source to cope with dm.h ‘issues’

Patch is
truecrypt-4.2a-Dm-target.c–kernel-2.6.18-and-2.6.19.patch
, put this in the main truecrypt-4.2a directory (which contains the Linux directory).

# cd /tmp
# mv truecrypt-4.2a-Dm-target.c--kernel-2.6.18-and-2.6.19.patch truecrypt-4.2a/
# cd truecrypt-4.2a/
# patch -p1 < truecrypt-4.2a-Dm-target.c--kernel-2.6.18-and-2.6.19.patch
# cd Linux


Build truecrypt for real

Using /usr/src/kernels/$(uname -r)-$(uname -m)/ as location of linux sources when prompted

# cd Linux
# ./build.sh


Install truecrypt module


# su - # to get /sbin/modprobe into path
# ./install.sh


Load truecrypt module


# /sbin/modprobe truecrypt

# /sbin/lsmod |grep truecrypt
truecrypt 163588 0
dm_mod 63449 3 truecrypt,dm_mirror,dm_multipath


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