* docs/grub.texi (Multi-boot manual config): New section.
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Vladimir 'phcoder' Serbinenko
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@ -1,3 +1,7 @@
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2012-06-16 Vladimir Serbinenko <phcoder@gmail.com>
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* docs/grub.texi (Multi-boot manual config): New section.
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2012-06-15 Vladimir Serbinenko <phcoder@gmail.com>
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2012-06-15 Vladimir Serbinenko <phcoder@gmail.com>
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Avoid slow read-back from VRAM.
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Avoid slow read-back from VRAM.
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@ -1056,6 +1056,7 @@ need to write the whole thing by hand.
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@menu
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@menu
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* Simple configuration:: Recommended for most users
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* Simple configuration:: Recommended for most users
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* Shell-like scripting:: For power users and developers
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* Shell-like scripting:: For power users and developers
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* Multi-boot manual config:: For non-standard multi-OS scenarios
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* Embedded configuration:: Embedding a configuration file into GRUB
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* Embedded configuration:: Embedding a configuration file into GRUB
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@end menu
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@end menu
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@ -1485,6 +1486,101 @@ than zero; otherwise 0.
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@end table
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@end table
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@node Multi-boot manual config
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@section Multi-boot manual config
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Currently autogenerating config files for multi-boot environments depends on
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os-prober and has several shortcomings. While fixing it is scheduled for the
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next release, meanwhile you can make use of the power of GRUB syntax and do it
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yourself. A possible configuration is detailed here, feel free to adjust to your
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needs.
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First create a separate GRUB partition, big enough to hold GRUB and
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few OS network installers you want to use. Mount this partition on
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/mnt/boot and disable GRUB in all OSes and manually install
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self-compiled latest GRUB with:
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@code{grub-install --boot-directory=/mnt/boot /dev/sda}
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In all the OSes install GRUB tools but disable installing GRUB in bootsector,
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so you'll have menu.lst and grub.cfg available for use. Also disable os-prober
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use by setting:
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@code{GRUB_DISABLE_OS_PROBER=true}
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in /etc/default/grub
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Then write grub.cfg as following in /mnt/boot/grub/grub.cfg:
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@example
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menuentry "OS using grub2" @{
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insmod xfs
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search -s root -l OS1 --hint hd0,gpt2
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configfile /boot/grub/grub.cfg
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@}
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menuentry "OS using grub2-legacy" @{
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insmod ext2
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search -s root -l OS2 --hint hd0,gpt3
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legacy_configfile /boot/grub/menu.lst
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@}
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menuentry "Windows XP" @{
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insmod ntfs
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search -s root -l WINDOWS_XP --hint hd0,gpt4
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gptsync hd0 4+7
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ntldr /ntldr
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@}
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menuentry "Windows 7" @{
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insmod ntfs
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search -s root -l WINDOWS_7 --hint hd0,gpt5
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gptsync hd0 5+7
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ntldr /bootmgr
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@}
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menuentry "FreeBSD" @{
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insmod zfs
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search -s root -l freepool --hint hd0,gpt6
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kfreebsd /freebsd@@/boot/kernel/kernel
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kfreebsd_module_elf /freebsd@@/boot/kernel/opensolaris.ko
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kfreebsd_module_elf /freebsd@@/boot/kernel/zfs.ko
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kfreebsd_module /freebsd@@/boot/zfs/zpool.cache type=/boot/zfs/zpool.cache
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set kFreeBSD.vfs.root.mountfrom=zfs:freepool/freebsd
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set kFreeBSD.hw.psm.synaptics_support=1
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@}
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menuentry "experimental GRUB" @{
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search -s root -l GRUB --hint hd0,gpt1
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multiboot /experimental/grub/i386-pc/core.img
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@}
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menuentry "Fedora 16 install" @{
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search -s root -l GRUB --hint hd0,gpt1
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linux /fedora/vmlinuz lang=en_US keymap=sg resolution=1280x800
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initrd /fedora/initrd.img
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@}
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menuentry "Fedora rawhide install" @{
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search -s root -l GRUB --hint hd0,gpt1
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linux /fedora/vmlinuz repo=ftp://mirror.switch.ch/mirror/fedora/linux/development/rawhide/x86_64 lang=en_US keymap=sg resolution=1280x800
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initrd /fedora/initrd.img
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@}
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menuentry "Debian sid install" @{
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search -s root -l GRUB --hint hd0,gpt1
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linux /debian/dists/sid/main/installer-amd64/current/images/hd-media/vmlinuz
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initrd /debian/dists/sid/main/installer-amd64/current/images/hd-media/initrd.gz
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@}
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@end example
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Notes:
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@itemize
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@item Argument to search after -l is FS LABEL. You can also use UUIDs with -u UUID instead of -l LABEL
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@end itemize
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@node Embedded configuration
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@node Embedded configuration
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@section Embedding a configuration file into GRUB
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@section Embedding a configuration file into GRUB
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