install-guide fedora-install-guide-bootloader-en.xml,1.7,1.8
Paul W. Frields (pfrields)
fedora-docs-commits at redhat.com
Sat May 14 21:49:46 UTC 2005
Author: pfrields
Update of /cvs/docs/install-guide
In directory cvs-int.fedora.redhat.com:/tmp/cvs-serv26991
Modified Files:
fedora-install-guide-bootloader-en.xml
Log Message:
1. More style edits
2. Made section on GRUB passwords more procedure-oriented
3. Reset id attributes to reflect DocGuide standards (2.1)
Index: fedora-install-guide-bootloader-en.xml
===================================================================
RCS file: /cvs/docs/install-guide/fedora-install-guide-bootloader-en.xml,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- fedora-install-guide-bootloader-en.xml 14 May 2005 15:22:52 -0000 1.7
+++ fedora-install-guide-bootloader-en.xml 14 May 2005 21:49:44 -0000 1.8
@@ -25,10 +25,9 @@
</warning>
<para>
- <xref linkend="ch-bootloader-config-fig"/> shows the boot loader
- configuration choices.
+ The following screen displays boot loader configuration options.
</para>
- <figure id="ch-bootloader-config-fig">
+ <figure id="fig-bootloader-config">
<title>
Boot Loader Configuration Screen
</title>
@@ -45,10 +44,8 @@
</mediaobject>
</figure>
- <section id="ch-bootloader-config-change">
- <title>
- Keeping Your Existing Boot Loader Settings
- </title>
+ <section id="sn-bootloader-config-change">
+ <title>Keeping Your Existing Boot Loader Settings</title>
<para>
By default, the installation program installs GRUB in the
<firstterm>master boot record</firstterm>, <indexterm>
@@ -56,11 +53,11 @@
</indexterm> or <abbrev>MBR</abbrev>, of the device for the root
file system. To change or decline installation of a new boot
loader, select the <guibutton>Change boot loader</guibutton>
- button. The pop-up shown in
- <xref linkend="ch-bootloader-change-fig"/> allows you to avoid
+ button. The dialog shown in
+ <xref linkend="fig-bootloader-change"/> allows you to avoid
installing or changing your existing boot loader settings.
</para>
- <figure id="ch-bootloader-change-fig">
+ <figure id="fig-bootloader-change">
<title>Change Boot Loader</title>
<mediaobject>
<imageobject>
@@ -76,74 +73,72 @@
</figure>
<note>
<para>
- If you decline to install any boot loader, you will not be able
- to boot Linux after the installation unless you choose to
- generate a startup disk. Refer to
+ If you do not install any boot loader, you will not be able to
+ boot Linux after the installation unless you generate a startup
+ disk. <!-- FIXME: Add reference to startup disk elsewhere in the
+ IG. - PWF. -->
</para>
</note>
</section>
- <section id="ch-bootloader-others">
+ <section id="sn-bootloader-others">
<title>
Booting Additional Operating Systems
</title>
<para>
If you have other operating systems already installed, &FED;
attempts to automatically detect and configure
- <application>GRUB</application> so that any installed
- <abbrev>OS</abbrev> can be booted. You can also manually configure
- any additional operating systems if
- <application>GRUB</application> does not detect them. To the right
- of the partition display there are three buttons that allow you to
- add, remove, or change the detected operating system settings.
- </para>
- <glosslist>
- <glossentry>
- <glossterm>
+ <application>GRUB</application> to boot them. You may manually
+ configure any additional operating systems if
+ <application>GRUB</application> does not detect them. To
+ add, remove, or change the detected operating system settings,
+ use the options provided.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>
<guibutton>Add</guibutton>
- </glossterm>
- <glossdef>
+ </term>
+ <listitem>
<para>
- Pressing the <guibutton>Add</guibutton> button displays
- the pop-up shown in <xref
- linkend="ch-bootloader-others-popup-fig"/>.
+ Press the <guibutton>Add</guibutton> button to include an
+ additional operating system in GRUB. &FED; displays the
+ dialog shown in <xref
+ linkend="fig-bootloader-others-popup"/>.
</para>
<para>
- You must know the disk partition holding the bootable
- operating system. Select the disk partition holding the
- bootable operating system from the drop-down list and give
- the entry a label. The label is shown at boot-time when
- <application>GRUB</application> presents its boot menu.
+ Select the disk partition which contains the bootable
+ operating system from the drop-down list and give the entry
+ a label. <application>GRUB</application> displays this
+ label in its boot menu.
</para>
- </glossdef>
- </glossentry>
- <glossentry>
- <glossterm>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
<guibutton>Edit</guibutton>
- </glossterm>
- <glossdef>
- <para>
- You can change an entry shown in the partition list by
- clicking on the item with the mouse and then pressing the
- <guibutton>Edit</guibutton> button.
+ </term>
+ <listitem>
+ <para>
+ To change an entry in the GRUB boot menu, select the entry
+ and then select <guibutton>Edit</guibutton>.
</para>
- </glossdef>
- </glossentry>
- <glossentry>
- <glossterm>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
<guibutton>Delete</guibutton>
- </glossterm>
- <glossdef>
+ </term>
+ <listitem>
<para>
- If you want to remove an entry from the partition list, just
- click it with the mouse and then press the
- <guibutton>Delete</guibutton> button.
+ To remove an entry from the GRUB boot menu, select the entry
+ and then select <guibutton>Delete</guibutton>.
</para>
- </glossdef>
- </glossentry>
- </glosslist>
- <figure id="ch-bootloader-others-popup-fig">
- <title>Adding Other Operating Systems To The Boot Menu</title>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ <figure id="fig-bootloader-others-popup">
+ <title>Adding Operating Systems to the Boot Menu</title>
<mediaobject>
<imageobject>
<imagedata align="center" fileref="figs/bootloader-others.eps" format="EPS"/>
@@ -158,48 +153,37 @@
</figure>
</section>
- <section id="ch-bootloader-password">
+ <section id="sn-bootloader-password">
<title>
- Setting A Boot loader Password
+ Setting a Boot Loader Password
</title>
<para>
- A useful <application>GRUB</application> feature is that it can
- browse disk files itself on many file system layouts, not relying
- on any active <abbrev>OS</abbrev>. An operator can interrupt the
- booting sequence to choose a different image file to boot, or to
- change the command line arguments passed to the kernel. A system
- administrator can use the features to recover a system that will
- not boot.
- </para>
- <para>
- Alas, allowing whom ever happens to be near the system console to
- type arbitrary commands or to change system parameters during the
- boot sequence can be a security issue.
- <application>GRUB</application> can be configured to require that
- a password be typed before the start parameters can be changed.
- Any operator with console access can boot the system but only if
- the correct password is given can the boot settings be changed.
- </para>
- <para>
- You do not have to set a <application>GRUB</application> password.
- If you have trusted operators, or a physically secured system with
- controlled console access, you probably do not need a boot
- password. Likewise if you have a single-user system and you do not
- worry about passers-by rebooting your system and fiddling with it,
- you can probably dispense with a boot password.
+ <application>GRUB</application> reads many file systems without
+ the help of an operating system. An operator can interrupt the
+ booting sequence to choose a different operating system to boot,
+ change boot options, or recover from a system error. These
+ functions, however, may introduce serious security risks in some
+ environments. You can add a password to
+ <application>GRUB</application> so that the operator must enter
+ the password to interrupt the normal boot sequence.
</para>
+ <tip>
+ <title>GRUB Passwords Not Required</title>
+ <para>
+ You may not require a <application>GRUB</application> password
+ if your system only has trusted operators, or is physically
+ secured with controlled console access.
+ </para>
+ </tip>
<para>
- If you decide to use a boot password, mark the checkbox beside the
- <guibutton>Use a boot loader password</guibutton> legend. The
- <guibutton>Change password</guibutton> button will become
- un-grayed and selectable. Press the <guibutton>Change
- password</guibutton> button to display the pop-up shown in
- <xref
- linkend="ch-bootloader-password-fig"/>. Carefully type in your
- desired password and then confirm its correctness by typing it
- again in the space provided.
+ To set a boot password, select the <guibutton>Use a boot loader
+ password</guibutton> checkbox. The <guibutton>Change
+ password</guibutton> button will become active. Select
+ <guibutton>Change password</guibutton> to display the dialog
+ below. Type the desired password, and then confirm it by typing
+ it again in the spaces provided.
</para>
- <figure id="ch-bootloader-password-fig">
+ <figure id="fig-bootloader-password">
<title>Entering A Boot Password</title>
<mediaobject>
<imageobject>
@@ -213,48 +197,59 @@
</textobject>
</mediaobject>
</figure>
- <warning>
+ <tip>
+ <title>Choose a Good Password</title>
<para>
Choose a password that is easy for you to remember but hard for
- others to guess. The password is stored in encrypted form and
- <emphasis>cannot</emphasis> be recovered.
+ others to guess.
</para>
+ </tip>
+ <warning>
+ <title>Forgotten <application>GRUB</application> Passwords</title>
<para>
- If you forget the boot password, "Don't Panic!".
- All you need do is boot the system normally and then change the
- password entry in the <filename>/etc/grub.conf</filename> file.
+ <application>GRUB</application> stores the password in encrypted
+ form, so it <emphasis>cannot</emphasis> be read or recovered. If
+ you forget the boot password, boot the system normally and then
+ change the password entry in the
+ <filename>/boot/grub/grub.conf</filename> file. If you cannot
+ boot, you may be able to use the "rescue" mode on the first &FC;
+ installation disc to reset the GRUB password.
</para>
</warning>
</section>
- <section id="ch-bootloader-advanced">
+ <section id="sn-bootloader-advanced">
<title>
Advanced Boot loader Options
</title>
<para>
The default boot options are adequate for most situations. The
- <application>GRUB</application> boot loader will be stored in the
- <abbrev>MBR</abbrev>, overwriting any existing boot loader.
+ installation program writes the <application>GRUB</application>
+ boot loader in the
+ <indexterm>
+ <primary>master boot record</primary>
+ </indexterm> master boot record (<abbrev>MBR</abbrev>),
+ overwriting any existing boot loader.
</para>
<para>
- If you want to keep your current boot loader in the
- <abbrev>MBR</abbrev>, you must use the advanced settings to place
- <application>GRUB</application> in the first sector of the
- partition holding the Linux root file system.
+ Tto keep your current boot loader in the <abbrev>MBR</abbrev>, use
+ the advanced settings to place <application>GRUB</application> in
+ the first sector of the partition holding the Linux root file
+ system.
</para>
<para>
You may also need the advanced options if your
- <abbrev>BIOS</abbrev> has numbered your disk devices differently
- than Linux expects. On some systems, Linux may not configure the
+ <abbrev>BIOS</abbrev> enumerates your disk devices differently
+ than &FED; expects. On a few systems, &FED; may not configure the
disk drive geometry for large disks correctly because of a broken
- <abbrev>BIOS</abbrev>. As a work around, mark the <guibutton>Force
- LBA32</guibutton> checkbox.
+ <abbrev>BIOS</abbrev>. To work around this problem, mark the
+ <guibutton>Force LBA32</guibutton> checkbox.
</para>
<para>
The Linux kernel usually auto-detects its environment correctly,
- and no additional kernel parameters are needed. However, it is
- possible to provide any needed kernel parameter using the advanced
- boot loader options.
+ and no additional kernel parameters are needed. You may provide
+ any needed kernel parameter, however, using the advanced boot
+ loader options.
</para>
<note>
<para>
@@ -265,20 +260,19 @@
</para>
</note>
<para>
- If you need to alter any of these settings, mark the
- <guibutton>Configure advanced boot loader options</guibutton>
- checkbox. Then, when you press <guibutton>Next</guibutton>, the
- menu shown in <xref linkend="ch-bootloader-advanced-fig"/> will
- appear.
+ To alter any of these settings, mark the <guibutton>Configure
+ advanced boot loader options</guibutton> checkbox. Select
+ <guibutton>Next</guibutton> and the menu shown in <xref
+ linkend="fig-bootloader-advanced"/> appears.
</para>
<note>
<para>
- The following advanced boot options menu will be displayed
- <emphasis>only</emphasis> if the advanced configuration
- checkbox, just described, has been selected.
+ &FED; displays the following advanced boot options menu
+ <emphasis>only</emphasis> if the advanced configuration checkbox
+ described above has been selected.
</para>
</note>
- <figure id="ch-bootloader-advanced-fig">
+ <figure id="fig-bootloader-advanced">
<title>Advanced Boot Options</title>
<mediaobject>
<imageobject>
@@ -288,8 +282,7 @@
<imagedata align="center" fileref="figs/bootloader-advanced.png" format="PNG"/>
</imageobject>
<textobject>
- <phrase>Menu displayed if advanced boot settings are
- desired</phrase>
+ <phrase>Advanced boot settings menu</phrase>
</textobject>
</mediaobject>
</figure>
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