lfs-book-i18n/zh_CN/chapter10/grub.po

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#. type: Content of: <sect1><sect1info><address>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:14
#, no-wrap
msgid "&grub-url;"
msgstr ""

#. type: Content of: <sect1><sect1info>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:12
msgid ""
"<productname>grub</productname> "
"<productnumber>&grub-version;</productnumber> <placeholder type=\"address\" "
"id=\"0\"/>"
msgstr ""

#. type: Content of: <sect1><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:17
msgid "Using GRUB to Set Up the Boot Process"
msgstr ""

#. type: Content of: <sect1><sect2><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:20
msgid "Introduction"
msgstr ""

#. type: Content of: <sect1><sect2><warning><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:22
msgid ""
"Configuring GRUB incorrectly can render your system inoperable without an "
"alternate boot device such as a CD-ROM or bootable USB drive. This section "
"is not required to boot your LFS system.  You may just want to modify your "
"current boot loader, e.g. Grub-Legacy, GRUB2, or LILO."
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:28
msgid ""
"Ensure that an emergency boot disk is ready to <quote>rescue</quote> the "
"computer if the computer becomes unusable (un-bootable).  If you do not "
"already have a boot device, you can create one.  In order for the procedure "
"below to work, you need to jump ahead to BLFS and install "
"<userinput>xorriso</userinput> from the <ulink "
"url=\"&blfs-book;multimedia/libisoburn.html\"> libisoburn</ulink> package."
msgstr ""

#. type: Content of: <sect1><sect2><screen>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:36
#, no-wrap
msgid ""
"<userinput>cd /tmp \n"
"grub-mkrescue --output=grub-img.iso \n"
"xorriso -as cdrecord -v dev=/dev/cdrw blank=as_needed "
"grub-img.iso</userinput>"
msgstr ""

#. type: Content of: <sect1><sect2><note><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:42
msgid ""
"To boot LFS on host systems that have UEFI enabled, the kernel needs to have "
"been built with the CONFIG_EFI_STUB capabality described in the previous "
"section.  However, LFS can be booted using GRUB2 without such an "
"addition. To do this, the UEFI Mode and Secure Boot capabilities in the host "
"system's BIOS need to be turned off.  For details, see <ulink "
"url=\"&hints-root;lfs-uefi.txt\"> the lfs-uefi.txt hint</ulink> at "
"&hints-root;lfs-uefi.txt."
msgstr ""

#. type: Content of: <sect1><sect2><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:56
msgid "GRUB Naming Conventions"
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:58
msgid ""
"GRUB uses its own naming structure for drives and partitions in the form of "
"<emphasis>(hdn,m)</emphasis>, where <emphasis>n</emphasis> is the hard drive "
"number and <emphasis>m</emphasis> is the partition number. The hard drive "
"number starts from zero, but the partition number starts from one for normal "
"partitions and five for extended partitions.  Note that this is different "
"from earlier versions where both numbers started from zero. For example, "
"partition <filename class=\"partition\">sda1</filename> is "
"<emphasis>(hd0,1)</emphasis> to GRUB and <filename "
"class=\"partition\">sdb3</filename> is <emphasis>(hd1,3)</emphasis>. In "
"contrast to Linux, GRUB does not consider CD-ROM drives to be hard "
"drives. For example, if using a CD on <filename "
"class=\"partition\">hdb</filename> and a second hard drive on <filename "
"class=\"partition\">hdc</filename>, that second hard drive would still be "
"<emphasis>(hd1)</emphasis>."
msgstr ""

#. type: Content of: <sect1><sect2><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:76
msgid "Setting Up the Configuration"
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:78
msgid ""
"GRUB works by writing data to the first physical track of the hard disk.  "
"This area is not part of any file system.  The programs there access GRUB "
"modules in the boot partition.  The default location is /boot/grub/."
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:83
msgid ""
"The location of the boot partition is a choice of the user that affects the "
"configuration.  One recommendation is to have a separate small (suggested "
"size is 200 MB) partition just for boot information.  That way each build, "
"whether LFS or some commercial distro, can access the same boot files and "
"access can be made from any booted system.  If you choose to do this, you "
"will need to mount the separate partition, move all files in the current "
"<filename class=\"directory\">/boot</filename> directory (e.g. the linux "
"kernel you just built in the previous section) to the new partition.  You "
"will then need to unmount the partition and remount it as <filename "
"class=\"directory\">/boot</filename>.  If you do this, be sure to update "
"<filename>/etc/fstab</filename>."
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:95
msgid ""
"Using the current lfs partition will also work, but configuration for "
"multiple systems is more difficult."
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:98
msgid ""
"Using the above information, determine the appropriate designator for the "
"root partition (or boot partition, if a separate one is used). For the "
"following example, it is assumed that the root (or separate boot) partition "
"is <filename class=\"partition\">sda2</filename>."
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:104
msgid ""
"Install the GRUB files into <filename "
"class=\"directory\">/boot/grub</filename> and set up the boot track:"
msgstr ""

#. type: Content of: <sect1><sect2><warning><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:108
msgid ""
"The following command will overwrite the current boot loader. Do not run the "
"command if this is not desired, for example, if using a third party boot "
"manager to manage the Master Boot Record (MBR)."
msgstr ""

#. type: Content of: <sect1><sect2><screen>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:113
#, no-wrap
msgid "<userinput>grub-install /dev/sda</userinput>"
msgstr ""

#. type: Content of: <sect1><sect2><note><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:116
msgid ""
"If the system has been booted using UEFI, <command>grub-install</command> "
"will try to install files for the <emphasis>x86_64-efi</emphasis> target, "
"but those files have not been installed in chapter 6. If this is the case, "
"add <option>--target i386-pc</option> to the command above."
msgstr ""

#. type: Content of: <sect1><sect2><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:137
msgid "Creating the GRUB Configuration File"
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:139
msgid "Generate <filename>/boot/grub/grub.cfg</filename>:"
msgstr ""

#. type: Content of: <sect1><sect2><screen>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:141
#, no-wrap
msgid ""
"<userinput>cat &gt; /boot/grub/grub.cfg &lt;&lt; \"EOF\"\n"
"<literal># Begin /boot/grub/grub.cfg\n"
"set default=0\n"
"set timeout=5\n"
"\n"
"insmod ext2\n"
"set root=(hd0,2)\n"
"\n"
"menuentry \"GNU/Linux, Linux &linux-version;-lfs-&version;\" {\n"
"        linux   /boot/vmlinuz-&linux-version;-lfs-&version; root=/dev/sda2 "
"ro\n"
"}</literal>\n"
"EOF</userinput>"
msgstr ""

#. type: Content of: <sect1><sect2><screen>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:154
#, no-wrap
msgid ""
"<userinput>cat &gt; /boot/grub/grub.cfg &lt;&lt; \"EOF\"\n"
"<literal># Begin /boot/grub/grub.cfg\n"
"set default=0\n"
"set timeout=5\n"
"\n"
"insmod ext2\n"
"set root=(hd0,2)\n"
"\n"
"menuentry \"GNU/Linux, Linux &linux-version;-lfs-&versiond;\" {\n"
"        linux   /boot/vmlinuz-&linux-version;-lfs-&versiond; root=/dev/sda2 "
"ro\n"
"}</literal>\n"
"EOF</userinput>"
msgstr ""

#. type: Content of: <sect1><sect2><note><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:168
msgid ""
"From <application>GRUB</application>'s perspective, the kernel files are "
"relative to the partition used.  If you used a separate /boot partition, "
"remove /boot from the above <emphasis>linux</emphasis> line.  You will also "
"need to change the <emphasis>set root</emphasis> line to point to the boot "
"partition."
msgstr ""

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:175
msgid ""
"GRUB is an extremely powerful program and it provides a tremendous number of "
"options for booting from a wide variety of devices, operating systems, and "
"partition types.  There are also many options for customization such as "
"graphical splash screens, playing sounds, mouse input, etc.  The details of "
"these options are beyond the scope of this introduction."
msgstr ""

#. type: Content of: <sect1><sect2><caution><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter10/grub.xml:181
msgid ""
"There is a command, <application>grub-mkconfig</application>, that can write "
"a configuration file automatically.  It uses a set of scripts in "
"/etc/grub.d/ and will destroy any customizations that you make.  These "
"scripts are designed primarily for non-source distributions and are not "
"recommended for LFS.  If you install a commercial Linux distribution, there "
"is a good chance that this program will be run.  Be sure to back up your "
"grub.cfg file."
msgstr ""