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-<!DOCTYPE html>
-<html>
-<head>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1">
-
- <style type="text/css">
- @import url('../css/main.css');
- </style>
-
- <title>How to install LibertyBSD or OpenBSD on a libreboot system</title>
-</head>
-
-<body>
- <div id="pagetop" class="section">
- <h1>How to install LibertyBSD or OpenBSD on a libreboot system</h1>
- <p>
- NOTE: This guide was written for OpenBSD by the person who contributed
- it, but the libreboot project recommends LibertyBSD.
- LibertyBSD is a version of OpenBSD without proprietary software
- in the repositories (OpenBSD distributes firmware blobs for
- devices inside its kernel).
- Go to the <a href="http://libertybsd.net/">LibertyBSD website</a>
- -- TODO: test on LibertyBSD and prioritise that in this guide.
- </p>
- <p>
- This section relates to preparing, booting and installing
- OpenBSD on your libreboot system, using nothing more than a USB flash drive (and <i>dd</i>). They've only been tested on a Lenovo ThinkPad x200.
- </p>
- <ul>
- <li><a href="#prepare">Prepare the USB drive (in OpenBSD)</a></li>
- <li><a href="#noencryption">Installing OpenBSD without full disk encryption</a></li>
- <li><a href="#encryption">Installing OpenBSD with full disk encryption</a></li>
- <li><a href="#booting">Booting</a></li>
- <li><a href="#configuring_grub">Configuring Grub</a></li>
- <li><a href="#troubleshooting">Troubleshooting</a></li>
- </ul>
- <p>
- <a href="./">Back to previous index</a>
- </p>
- </div>
-
- <div class="section">
- <p>
- <b>This section is only for the GRUB payload. For depthcharge (used on CrOS devices in libreboot), instructions
- have yet to be written in the libreboot documentation.</b>
- </p>
- </div>
-
- <div id="prepare" class="section">
-
- <p>
- install60.fs is the installation image for OpenBSD 6.0. Adapt
- the filename accordingly, for a different OpenBSD version or
- LibertyBSD.
- </p>
-
- <h2>Prepare the USB drive (in LibertyBSD or OpenBSD)</h2>
-
- <p>
- If you downloaded your ISO on a LibertyBSD or OpenBSD system,
- here is how to create the bootable LibertyBSD/OpenBSD USB drive:
- </p>
-
- <p>
- Connect the USB drive. Check dmesg:<br/>
- <b>$ dmesg | tail</b><br/>
-
- Check to confirm which drive it is, for example, if you think its sd3:<br/>
- <b>$ disklabel sd3</b>
- </p>
-
- <p>
- Check that it wasn't automatically mounted. If it was, unmount it. For example:<br/>
- <b>$ doas umount /dev/sd3i</b><br/>
- </p>
-
- <p>
- dmesg told you what device it is. Overwrite the drive, writing the OpenBSD installer to it with dd. For example:<br/>
- <b>$ doas dd if=install60.fs of=/dev/rsdXc bs=1M; sync</b><br/>
- </p>
-
- <p>
- You should now be able to boot the installer from your USB drive. Continue reading, for
- information about how to do that.
- </p>
-
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- <h2>Prepare the USB drive (in NetBSD)</h2>
- <p>
- <a href="https://wiki.netbsd.org/tutorials/how_to_install_netbsd_from_an_usb_memory_stick/">This page</a>
- on the NetBSD website shows how to create a NetBSD bootable USB drive
- from within NetBSD itself. You should use the <em>dd</em> method
- documented there. This will also work with the OpenBSD image.
- </p>
-
- <h2>Prepare the USB drive (in FreeBSD)</h2>
- <p>
- <a href="https://www.freebsd.org/doc/handbook/bsdinstall-pre.html">This page</a>
- on the FreeBSD website shows how to create a bootable USB drive
- for installing FreeBSD. Use the <em>dd</em> on that page. You can
- also use the same instructions with a OpenBSD ISO image.
- </p>
-
- <h2>Prepare the USB drive (in GNU+Linux)</h2>
-
- <p>
- If you downloaded your ISO on a GNU+Linux system,
- here is how to create the bootable OpenBSD USB drive:
- </p>
-
- <p>
- Connect the USB drive. Check dmesg:<br/>
- <b>$ dmesg</b><br/>
-
- Check lsblk to confirm which drive it is:<br/>
- <b>$ lsblk</b>
- </p>
-
- <p>
- Check that it wasn't automatically mounted. If it was, unmount it. For example:<br/>
- <b>$ sudo umount /dev/sdX*</b><br/>
- <b># umount /dev/sdX*</b>
- </p>
-
- <p>
- dmesg told you what device it is. Overwrite the drive, writing your distro ISO to it with dd. For example:<br/>
- <b>$ sudo dd if=install60.fs of=/dev/sdX bs=8M; sync</b><br/>
- <b># dd if=install60.fs of=/dev/sdX bs=8M; sync</b>
- </p>
-
- <p>
- You should now be able to boot the installer from your USB drive. Continue reading, for
- information about how to do that.
- </p>
-
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- </div>
-
-
- <div id="noencryption" class="section">
-
- <h2>Installing OpenBSD without full disk encryption</h2>
-
- <p>
- Press C in GRUB to access the command line:
- </p>
- <p>
- grub&gt; <b>kopenbsd (usb0,openbsd1)/6.0/amd64/bsd.rd</b><br/>
- grub&gt; <b>boot</b>
- </p>
- <p>
- It will start booting into the OpenBSD installer. Follow the normal process for installing OpenBSD.
- </p>
-
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- </div>
-
- <div id="encryption" class="section">
-
- <h2>Installing OpenBSD with full disk encryption</h2>
-
- <p>
- Not working. You can modify the above procedure (installation w/o encryption) to install OpenBSD using full disk encryption, and it appears to work, except that its not yet clear how to actually <i>boot</i> an OpenBSD+FDE installation using libreboot+Grub2. If you get it working, please let us know.
- </p>
-
- <p>
- If booting in text mode (framebuffer mode might also work), it
- might be possible to chainload the OpenBSD or LibertyBSD bootloader
- from the MBR section on the internal storage device. This way,
- it would be possible to boot with an encrypted OpenBSD or
- LibertyBSD installation. Please let us know (contact details
- are on the libreboot homepage) if you get it working this way.
- </p>
- <p>
- Alternatively, it would be good to port OpenBSD either natively
- as a coreboot payload, or port it to libpayload (payload library
- in coreboot; it has a basic C library and a few functions for
- certain operations e.g. text/bitmap). <strong>This would be ideal,
- because then it would be possible to boot a truly fully encrypted
- OpenBSD or LibertyBSD installation, by putting everything in
- the flash chip.</strong>
- </p>
- <p>
- Alternatively, modifying GRUB to support booting fully encrypted
- OpenBSD installations would be possible, but probably not feasible;
- it's an alien codebase to the OpenBSD project, not tightly integrated
- and the OpenBSD bootloader already works.
- </p>
-
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- </div>
-
- <div id="booting" class="section">
-
- <h2 id="booting">Booting</h2>
-
- <p>
- Press C in GRUB to access the command line:
- </p>
- <p>
- grub&gt; <b>kopenbsd -r sd0a (ahci0,openbsd1)/bsd</b><br/>
- grub&gt; <b>boot</b>
- </p>
- <p>
- OpenBSD will start booting. Yay!
- </p>
-
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- </div>
-
- <div id="configuring_grub" class="section">
-
- <h2>Configuring Grub</h2>
-
- <p>
- If you don't want to drop to the GRUB command line and type in a command to boot OpenBSD every time, you can create a GRUB configuration that's aware of your OpenBSD installation and that will automatically be used by libreboot.
- </p>
- <p>
- On your OpenBSD root partition, create the <b>/grub</b> directory and add the file <b>libreboot_grub.cfg</b> to it. Inside the <b>libreboot_grub.cfg</b> add these lines:
- <p><b>
- default=0
- timeout=3
- menuentry "OpenBSD" {<br>
- &nbsp;&nbsp;&nbsp;&nbsp;kopenbsd -r sd0a (ahci0,openbsd1)/bsd<br>
- }<br>
- </b></p>
- <p>The next time you boot, you'll see the old Grub menu for a few seconds, then you'll see the a new menu with only OpenBSD on the list. After 3 seconds OpenBSD will boot, or you can hit enter to boot.
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- </div>
-
- <div id="troubleshooting" class="section">
-
- <h1>Troubleshooting</h1>
-
- <p>
- Most of these issues occur when using libreboot with coreboot's 'text mode' instead of the coreboot framebuffer.
- This mode is useful for booting payloads like memtest86+ which expect text-mode, but for OpenBSD
- it can be problematic when they are trying to switch to a framebuffer because it doesn't exist.
- </p>
-
- <p>
- In most cases, you should use the vesafb ROM images. Example filename: libreboot_ukdvorak_vesafb.rom.
- </p>
-
- <h2>won't boot...something about file not found</h2>
- <p>
- Your device names (i.e. usb0, usb1, sd0, sd1, wd0, ahci0, hd0, etc) and numbers may differ. Use TAB completion.
- </p>
-
- <p>
- <a href="#pagetop">Back to top of page</a>.
- </p>
-
- </div>
-
- <div class="section">
-
- <p>
- Copyright &copy; 2016 Scott Bonds &lt;scott@ggr.com&gt;<br/>
- Copyright &copy; 2016 Leah Rowe &lt;info@minifree.org&gt;<br/>
- Permission is granted to copy, distribute and/or modify this document
- under the terms of the Creative Commons Attribution-ShareAlike 4.0 International license
- or any later version published by Creative Commons;
-
- A copy of the license can be found at <a href="../cc-by-sa-4.0.txt">../cc-by-sa-4.0.txt</a>
- </p>
-
- <p>
- Updated versions of the license (when available) can be found at
- <a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode">https://creativecommons.org/licenses/by-sa/4.0/legalcode</a>
- </p>
-
- <p>
- UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
- EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
- AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
- ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
- IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
- WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
- PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
- ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
- KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
- ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
- </p>
- <p>
- TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
- TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
- NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
- INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
- COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
- USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
- ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
- DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
- IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
- </p>
- <p>
- The disclaimer of warranties and limitation of liability provided
- above shall be interpreted in a manner that, to the extent
- possible, most closely approximates an absolute disclaimer and
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-
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-
-</body>
-</html>