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authorFrancis Rowe <info@gluglug.org.uk>2014-07-11 04:53:00 (EDT)
committer Michał Masłowski <mtjm@mtjm.eu>2014-08-22 13:01:19 (EDT)
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Libreboot release 6 beta 1.
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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">
+ body {
+ background:#fff;
+ color:#000;
+ font-family:sans-serif;
+ font-size:1em;
+ }
+ </style>
+
+ <title>Libreboot documentation: installing GNU/Linux</title>
+</head>
+
+<body>
+ <header>
+ <h1>Boot a GNU/Linux installer on USB</h1>
+ <aside>Or <a href="../index.html">back to main index</a></aside>
+ </header>
+ <h2>How to boot from USB</h2>
+ <p>
+ Connect the USB drive. Check dmesg:<br/>
+ <b>$ dmesg</b>
+ </p>
+ <p>
+ Check that it wasn't automatically mounted. If it was, unmount it. For example:<br/>
+ <b>$ sudo umount /dev/sdb1</b><br/>
+ <b># umount /dev/sdb1</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=gnulinux.iso of=/dev/sdb bs=8M; sync</b><br/>
+ <b># dd if=gnulinux.iso of=/dev/sdb bs=8M; sync</b>
+ </p>
+ <p>
+ Boot it in GRUB using the "Parse ISOLINUX config (USB)" option (it's in default libreboot grub.cfg, at least).
+ </p>
+ <p>
+ If the ISOLINUX parser won't work, then press C to get to GRUB command line.<br/>
+ <b>ls</b><br/>
+ Get the device from above output, eg (usb0). Example:<br/>
+ <b>cat (usb0)/isolinux/isolinux.cfg</b><br/>
+ Either this will show the ISOLINUX menuentries for that ISO, or link to other .cfg files, for example /isolinux/foo.cfg.<br/>
+ If it did that, then you do:<br/>
+ <b>cat (usb0)/isolinux/foo.cfg</b><br/>
+ And so on, until you find the correct menuentries for ISOLINUX.
+ </p>
+ <p>
+ Now look at the ISOLINUX menuentry. It'll look like:<br/>
+ <pre>
+ kernel /path/to/kernel
+ append PARAMETERS initrd=/path/to/initrd MAYBE_MORE_PARAMETERS
+ </pre>
+ GRUB works the same way, but in it's own way. Example GRUB commands:<br/>
+ <b>linux (usb0)/path/to/kernel PARAMETERS MAYBE_MORE_PARAMETERS</b><br/>
+ <b>initrd (usb0)/path/to/initrd</b><br/>
+ <b>boot</b><br/>
+ Of course this will vary from distro to distro. If you did all that correctly, it should now be booting the ISO
+ the way you specified.
+ </p>
+
+<hr/>
+
+ <p>
+ Copyright &copy; 2014 Francis Rowe, All Rights Reserved.<br/>
+ See <a href="../license.html">../license.html</a> for license conditions.
+ </p>
+</body>
+</html>