<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><title>bootconf</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"/><link rel="start" href="#bootconf" title="bootconf"/></head><body><div class="refentry" lang="en" xml:lang="en"><a id="bootconf" shape="rect"> </a><div class="titlepage"/><div class="refnamediv"><h2>Name</h2><p>bootconf — bootconf</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">bootconf</code> [options...]</p></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="id307158" shape="rect"> </a><h2>DESCRIPTION</h2><p> <span class="command"><strong>bootconf</strong></span> is a small utility that provides a convenient way to set or inspect some common Linux kernel boot options. <span class="command"><strong>bootconf</strong></span> updates the <span class="command"><strong>GRUB</strong></span> configuration file (<code class="filename">/boot/grub/grub.conf</code> in most cases). The changes will take effect, naturally, at the next reboot.</p><p> The following parameters may be specified:</p><div class="variablelist"><dl><dt><span class="term"> <code class="literal">-titles</code> </span></dt><dd><p> This parameter must be specified by itself, alone. <span class="command"><strong>bootconf</strong></span> displays a formatted list of available boot partitions and kernels.</p></dd><dt><span class="term"> <code class="literal">default=<em class="replaceable"><code>n</code></em></code> </span></dt><dd><p> The default boot kernel or partition is “<span class="quote">n</span>”, where “<span class="quote">n</span>” is the boot partition number from the list produced by the <em class="parameter"><code>-titles</code></em> parameter.</p></dd><dt><span class="term"> <code class="literal">quiet</code> or <code class="literal">quiet=1</code> </span></dt><dd><p> Suppress most diagnostic messages when the Linux kernel initializes.</p></dd><dt><span class="term"> <code class="literal">noquiet</code> or <code class="literal">quiet=0</code> </span></dt><dd><p> Display diagnostic messages when the Linux kernel initializes.</p></dd><dt><span class="term"> <code class="literal">gui</code> or <code class="literal">gui=1</code> </span></dt><dd><p> Show the status of the system boot process graphically (the “<span class="quote">rhgb</span>” boot option).</p></dd><dt><span class="term"> <code class="literal">nogui</code> or <code class="literal">gui=0</code> </span></dt><dd><p> Show the status of the system boot process as text.</p></dd><dt><span class="term"> <code class="literal">vesa=</code><em class="replaceable"><code>mode</code></em> </span></dt><dd><p> Use a <acronym class="acronym">VESA</acronym> framebuffer for the system display (see below).</p></dd><dt><span class="term"> <code class="literal">novesa</code> </span></dt><dd><p> Do not use the <acronym class="acronym">VESA</acronym> framebuffer for the system display.</p></dd></dl></div><p> Running <span class="command"><strong>bootconf</strong></span> without specifying any parameters displays the current settings. Run <span class="command"><strong>bootconf</strong></span> from X to show a small window where the individual settings can be adjusted graphically.</p><p> The current settings are parsed from the first kernel listed in <acronym class="acronym">GRUB</acronym>'s configuration file, but new settings are saved for every configured kernel.</p><div class="refsect2" lang="en" xml:lang="en"><a id="id279008" shape="rect"> </a><h3>VESA framebuffer</h3><p> Many modern video cards are capable of providing a standard, vendor-independent access mechanism to the display memory. Linux can use this framebuffer for the system console, as opposed to the traditional text display.</p><p> The “<span class="quote">vesa=<em class="replaceable"><code>mode</code></em></span>” option configures the Linux kernel to set the video card framebuffer to <em class="replaceable"><code>mode</code></em>. The possible values for <em class="replaceable"><code>mode</code></em> are:</p><div class="blockquote"><blockquote class="blockquote"><p> <code class="literal">640x480x8</code> <code class="literal">640x480x15</code> <code class="literal">640x480x16</code> <code class="literal">640x480x24</code> <code class="literal">800x600x8</code> <code class="literal">800x600x15</code> <code class="literal">800x600x16</code> <code class="literal">800x600x24</code> <code class="literal">1024x768x8</code> <code class="literal">1024x768x15</code> <code class="literal">1024x768x16</code> <code class="literal">1024x768x24</code> <code class="literal">1280x1024x8</code> <code class="literal">1280x1024x15</code> <code class="literal">1280x1024x16</code> <code class="literal">1280x1024x24</code> <code class="literal">1600x1200x8</code> <code class="literal">1600x1200x15</code> <code class="literal">1600x1200x16</code> <code class="literal">1600x1200x24</code></p></blockquote></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p> Your video card may not support all of the above video modes. Check your video card's documentation. If you select an invalid video mode, the Linux kernel may not be able to boot. When that happens, press <span class="keycap"><strong>E</strong></span> to edit the kernel command line, in <span class="application">GRUB</span>, remove the “<span class="quote">vga=NNN</span>” parameter, press <span class="keycap"><strong>Enter</strong></span> then <span class="keycap"><strong>B</strong></span> to boot without the framebuffer.</p></div></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="id279193" shape="rect"> </a><h2>SEE ALSO</h2><p> <a class="ulink" href="http://tldp.org/HOWTO/Framebuffer-HOWTO.html" target="_top" shape="rect">Framebuffer HOWTO</a> </p><p> <a class="ulink" href="http://www.courier-mta.org/bootconf/download/" target="_top" shape="rect">Latest release of bootconf</a></p></div></div></body></html>
