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70 lines
1.9 KiB
Text
70 lines
1.9 KiB
Text
Using GNU GRUB 2 in Fedora
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==========================
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GRUB 2 provides various feature enhancements over the previous GRUB version
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(referred to as "GRUB", or "GRUB Legacy") which has been unmaintained upstream
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for years. GRUB has thus been deprecated in Fedora and replaced by GRUB 2 for
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BIOS systems. (EFI systems still uses GRUB Legacy from the new grub-efi package.)
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Utilities
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---------
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The GRUB 2 utilities are prefixed with 'grub2':
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grub2-bin2h
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grub2-editenv
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grub2-fstest
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grub2-install
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grub2-kbdcomp
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grub2-menulst2cfg
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grub2-mkconfig
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grub2-mkdevicemap
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grub2-mkfont
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grub2-mkimage
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grub2-mklayout
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grub2-mknetdir
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grub2-mkpasswd-pbkdf2
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grub2-mkrelpath
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grub2-mkrescue
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grub2-probe
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grub2-reboot
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grub2-script-check
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grub2-set-default
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grub2-setup
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The default location for boot loader installation is /boot/grub2/ .
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GRUB 2 in Fedora
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----------------
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The Fedora installer (anaconda) will make sure grub2 is installed for new and
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updated systems. It will run grub2-install to install the boot loader in the
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MBR and in /boot/grub2/, and it will write /etc/default/grub and run
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grub2-mkconfig to create /boot/grub2/grub.cfg.
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The active boot loader will not be changed when the GRUB 2 package is updated.
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A new boot loader can be installed with something like:
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grub2-install /dev/sda
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grubby will patch grub.cfg (through /etc/grub2.cfg) when new kernels are
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installed. The GRUB 2 configuration system in /etc/default/grub and /etc/grub.d/
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is thus only used initially by anaconda, but it is possible to generate a new
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grub.cfg with:
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grub2-mkconfig -o /boot/grub2/grub.cfg
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Documentation
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-------------
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The GRUB 2 manual can be found in grub.html or on
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http://www.gnu.org/software/grub/manual/ .
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Support channels
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----------------
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If you find a bug in this package, report them to the Red Hat Bugzilla [2].
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For talk about using grub2, use IRC channel #grub on freenode Network [3].
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[2] http://bugzilla.redhat.com/
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[3] http://freenode.net/
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