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+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+
+ <title>Bootloader expert use</title>
+ <meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
+ <link rel="home" href="index.html" title="Installation with DrakX">
+ <link rel="up" href="index.html" title="Installation with DrakX">
+ <link rel="prev" href="setupBootloaderBeginner.html" title="Bootloader main options">
+ <link rel="next" href="misc-params.html" title="Resumen de la Configuraci&oacute;n"><style xmlns="http://www.w3.org/TR/xhtml1/transitional" type="text/css">
+ <!--
+ body { font-family: sans-serif; font-size: 13px }
+ table { font-family: sans-serif; font-size: 13px }
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+ <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
+ <div lang="es" class="section" title="Bootloader expert use">
+ <div class="titlepage">
+ <div>
+ <div>
+ <h2 class="title"><a name="setupBootloaderExpert"></a>Bootloader expert use
+ </h2>
+ </div>
+ </div>
+ </div>
+
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+
+ <p><a name="setupBootloaderExpert-pa1"></a>If you haven't done so
+ yet, please read <a class="xref" href="setupBootloaderBeginner.html" title="Bootloader main options">&#8220;Bootloader main
+ options&#8221;</a> first.
+ </p>
+
+
+ <div class="section" title="Adding a GRUB2 based system manually">
+ <div class="titlepage">
+ <div>
+ <div>
+ <h3 class="title"><a name="addingGRUB2system"></a>Adding a GRUB2 based system
+ manually
+ </h3>
+ </div>
+ </div>
+ </div>
+
+
+
+
+ <p><a name="setupBootloaderExpert-pa7"></a>A GRUB2 based system
+ may be added to the Mageia boot menu as follows:
+ </p>
+
+
+ <div class="itemizedlist">
+ <ul class="itemizedlist">
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa8"></a>Boot into the
+ system in question. In order to determine the GRUB2 version run the
+ following command in a terminal:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa9"></a><code class="literal">sudo
+ grub-install --version</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa10"></a>or if that
+ fails try:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa11"></a><code class="literal">sudo
+ grub2-install --version</code></p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa12"></a>If this returns
+ "GNU GRUB version 0.97" (possibly with a custom suffix), then it is
+ using GRUB (otherwise called GRUB legacy) not GRUB2 and your system
+ should be correctly identified by Mageia during installation and added
+ automatically to the menu.
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa15"></a>If this returns
+ (GRUB) 1.98 or 1.99 or 2.xx, then you are using GRUB2.
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa16"></a>Make a note of
+ the version and enter this command to identify the root
+ partition:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa17"></a><code class="literal">df -h
+ / |(read; awk '{print $1; exit}')</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa18"></a>This will
+ output something like :
+ </p>
+
+
+
+
+ <p><a name="setupBootloaderExpert-pa20"></a><code class="literal">/dev/sdb11</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa21"></a>sdb11 is the
+ root partition - make a note of it.
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa22"></a>Now check that
+ the /boot folder is in the same partition by entering the following
+ command:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa23"></a><code class="literal">df -h
+ /boot |(read; awk '{print $1; exit}')</code></p>
+
+
+
+
+ <p><a name="setupBootloaderExpert-pa25"></a>If the /boot
+ partition is different to the root partition then make a note and use
+ the /boot partition in the "root" line when editing menu.lst
+ below.
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa26"></a>You can now
+ shut down the system and install Mageia.
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa27"></a>In your new
+ running Mageia system, open a terminal and as root edit the file
+ /boot/grub/menu.lst as follows:
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa28"></a>To become root
+ use:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa29"></a><code class="literal">su
+ -</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa30"></a>(enter root
+ password)
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa31"></a>To open the
+ file in an editor use:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa32"></a><code class="literal">kwrite
+ /boot/grub/menu.lst</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa33"></a>(replace
+ "kwrite" with "gedit" if you are using Gnome)
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa34"></a>Add the
+ following entry for your (e.g. Ubuntu) system, possibly as the second
+ stanza. The position the item appears in the menu will depend on its
+ position in the file:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa35"></a><code class="literal">title
+ Ubuntu</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa36"></a><code class="literal">root
+ (hd1,10)</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa37"></a><code class="literal">kernel
+ /boot/grub/core.img</code></p>
+
+ </li>
+ <li class="listitem">
+
+ <div class="note" title="Nota" style="margin-left: 0.5in; margin-right: 0.5in;">
+ <table border="0" summary="Note">
+ <tr>
+ <td rowspan="2" align="center" valign="top" width="25"><img alt="[Nota]" src="note.png"></td>
+ <th align="left"></th>
+ </tr>
+ <tr>
+ <td align="left" valign="top">
+
+ <p><a name="setupBootloaderExpert-pa42"></a>In the second
+ line, "hd1" means the second hard drive, the "10" indicates the 11th
+ partition. Drives and partitions in Mageia's legacy GRUB count from
+ zero.
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa43"></a>Therefore:
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa44"></a><code class="literal">sdb11 =
+ (hd1,10)</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa45"></a><code class="literal">sda1
+ = (hd0,0)</code></p>
+
+ </td>
+ </tr>
+ </table>
+ </div>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa38"></a>If the GRUB2
+ version is 2.xx then change the last line to :
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa39"></a><code class="literal">kernel
+ /boot/grub/i386-pc/core.img</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa40"></a>If you needed
+ to use "grub2-install" earlier then change <code class="literal">"grub"</code>
+ to <code class="literal">"grub2"</code> in the last line.
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa40a"></a>If /boot was
+ on a separate partition, then remove <code class="literal">"/boot"</code> from
+ the last line.
+ </p>
+
+ </li>
+ <li class="listitem">
+
+ <p><a name="setupBootloaderExpert-pa41"></a>Save the file
+ and re-boot. You should now see your "Ubuntu" entry in the menu and be
+ able to boot from it.
+ </p>
+
+ </li>
+ </ul>
+ </div>
+
+ </div>
+
+
+ <div class="section" title="Using an existing GRUB2 bootloader">
+ <div class="titlepage">
+ <div>
+ <div>
+ <h3 class="title"><a name="usingExistingBootloaderGRUB2"></a>Using an
+ existing GRUB2 bootloader
+ </h3>
+ </div>
+ </div>
+ </div>
+
+
+
+ <p><a name="setupBootloaderExpert-pa49a"></a>If you didn't read
+ the general part about using an existing bootloader yet, do so now. See
+ <a class="xref" href="setupBootloaderBeginner.html#usingExistingBootloader" title="Using an existing bootloader">&#8220;Using an
+ existing bootloader&#8221;</a></p>
+
+
+ <div class="note" title="Nota" style="margin-left: 0.5in; margin-right: 0.5in;">
+ <table border="0" summary="Note">
+ <tr>
+ <td rowspan="2" align="center" valign="top" width="25"><img alt="[Nota]" src="note.png"></td>
+ <th align="left"></th>
+ </tr>
+ <tr>
+ <td align="left" valign="top">
+
+ <p><a name="setupBootloaderExpert-pa50"></a>There is a known
+ bug in OS-prober used during GRUB2 installation in some versions
+ of Debian/Ubuntu that incorrectly creates grub.cfg when adding Mageia
+ (or Mandriva) systems. This is simple to work around and details of a
+ fix can be found in the Mageia forum. Search for "prober", the topic is
+ "grub problem", post #9 has the information.
+ </p>
+
+
+ <p><a name="setupBootloaderExpert-pa51"></a>To make the fix
+ permanent so that it will survive an Ubuntu kernel update, the Mageia
+ entry should be added to <code class="literal">/etc/grub.d/40_custom</code></p>
+
+
+ <p><a name="setupBootloaderExpert-pa52"></a>Stop Press: The bug
+ is fixed in os-prober-1.53 released on 8th May 2012. So now, upgrading to
+ the new version in your GRUB2 installation is the preferred solution.
+ </p>
+
+ </td>
+ </tr>
+ </table>
+ </div>
+
+ </div>
+
+ </div>
+ </body>
+</html>
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