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Diffstat (limited to 'docs/gnulinux/encrypted_parabola.html')
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1 files changed, 14 insertions, 12 deletions
diff --git a/docs/gnulinux/encrypted_parabola.html b/docs/gnulinux/encrypted_parabola.html index 56d77c6..1e30438 100644 --- a/docs/gnulinux/encrypted_parabola.html +++ b/docs/gnulinux/encrypted_parabola.html @@ -588,28 +588,30 @@ <div class="section"> <h2>Optional: Use Keyfile in Initramfs to unlock encrypted root</h2> <p> - Using the above Installation method, you will have to unlock the encrypted Filesystems two times. - Once in Grub and once during the boot of Parabola. <br/> - In order to circumvent this, it is possible to inlcude a Keyfile into the Initramfs of Parabola and unlock it at boot.<br/> - As mkinitcpio in Parabola and Archlinux needs patching for this to work, it is currently more of a "dirty hack" until it gets merged.<br/> - Everytime the mkinitcpio Package gets updated, you need to reapply the patch, or add mkinitcpio to HoldPkg in /etc/pacman.conf, this way it won't get updated.<br/> + Using the above installation method, you will have to unlock the encrypted file system twice + once in GRUB, and again when booting Parabola). + To circumvent this, you can insert a keyfile into the initramfs. This is generally safe, because the /boot/ directory is encrypted. + You will need to apply a patch for this to work, until the patch is merged upstream. + Every time the mkinitcpio package is updated, you will need to re-apply the patch (recommended) + or add mkinitcpio to HoldPkg in /etc/pacman.conf (<b>not</b> recommended). <br/> - Download the encrypt.patch for the hook from the Feature request that is open : <a href=https://bugs.archlinux.org/index.php?do=details&action=details.addvote&task_id=31877>FS#31877</a><br/> + Download the encrypt.patch file from this page: + <a href=https://bugs.archlinux.org/index.php?do=details&action=details.addvote&task_id=31877>FS#31877</a><br/> Patch the encrypt hook:<br/> # <b>patch /usr/lib/initcpio/hooks/encrypt /path/to/encrypt.patch</b><br/> Create a Keyfile:<br/> # <b>dd bs=512 count=4 if=/dev/urandom of=/etc/mykeyfile iflag=fullblock</b><br/> - Add Keyfile to the Luks Device:<br/> + Add the keyfile to the Luks Device:<br/> # <b>cryptsetup luksAddKey /dev/sdX /etc/mykeyfile</b><br/> - Add Keyfile to the initramfs by adding it to FILES in /etc/mkinitcpio.conf, for example:<br/> + Add the keyfile to the initramfs by adding it to FILES in /etc/mkinitcpio.conf. For example:<br/> # <b>FILES="/etc/mykeyfile"</b><br/> - Recreate the initramfs Image, replace linux-libre with whatever flavour of Kernel you are using.<br/> + Re-create the initramfs image:<br/> # <b>mkinitcpio -p linux-libre</b><br/> - Reboot and add the following to the kernel command line in Grub:<br/> + Reboot and add the following to the kernel command line in GRUB:<br/> # <b>cryptkey=initramfs:/etc/mykeyfile</b><br/> <br/> - If everything works as expected you can permanently add the kernel parameter to the grub config inside your image and reflash it. - + If everything works as expected, permanently add the kernel parameter to the GRUB config using + the instructions at <a href="grub_cbfs.html">grub_cbfs.html</a>. </p> </div> |