This describes how to install a prepackaged kernel with MPPE support on a Debian GNU/Linux system. It was tested on a system installed from a Woody CD-R, using Sid in the sources list for the second boot.

1. add the following lines to the sources list file, /etc/apt/sources.list :

   # Darik Horn's kernel packaging deb http://www.vanadac.com/~dajhorn/projects/debian-pptp woody main

   Note: you may wish to use a text editor, or simply cat the lines on to the end of the file using >>, but if you make a mistake in formatting you will likely be told by the apt-get update step.

2. update the list of packages from the sources:

   apt-get update

3. upgrade to a kernel with MPPE support from Darik Horn's repository:

   apt-get install kernel-image-2.4.18-mppe

   Note: The author had begun with the woody 2.4.18-bf2.4 kernel from the installation CDs. Midway through this install, the author had to follow the installation scripts hints to use another shell to edit /etc/lilo.conf to add "initrd=/initrd.img" to the section "image=/vmlinuz". When lilo later ran, it worked fine.

   Warning: starting with the standard 2.2.20-idepci kernel included on the woody CDs can lead to difficulties, including inability to reboot. If you know how to solve these, please let us know. 2004-01-27

4. reboot to bring the new kernel into memory:

   reboot

5. test that MPPE support loads:

   modprobe ppp-compress-18 && echo success

   If the word "success" appears, then the module was loaded successfully. A warning may appear:

   Warning: loading /lib/modules/2.4.18-mppe/kernel/drivers/net/ppp_mppe.o will taint the kernel: non-GPL license - BSD without advertisement clause See http://www.tux.org/lkml/#export-tainted for information about tainted modules Module ppp_mppe loaded, with warnings

   This is expected and does not change the operation of the module.

You have now installed MPPE support. Return to the Installation step in the main HOWTO.

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