Grub2
Installation
Grub wird in den MBR der angeben Festplatte geschrieben: (BSP)
grub-install /dev/sda [Achtung, Bootreihenfolge im BIOS/UEFI beachten!]
oder auf einer Partition: (BSP)
grub-install --force /dev/sda3
Konfigurationsdateien
/boot/grub/grub.cfg
Beispiel Konfiguration:
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
else
search --no-floppy --fs-uuid --set=root 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
fi
font="/usr/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=de_DE
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
#set_background_image "images/tile.png";
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 0,0,0; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${recordfail}" != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Kubuntu GNU/Linux' --class kubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-63ffc967-659d-4db4-b3ac-6e037d4ee1dc' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
else
search --no-floppy --fs-uuid --set=root 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
fi
linux /boot/vmlinuz-3.8.0-19-generic root=UUID=63ffc967-659d-4db4-b3ac-6e037d4ee1dc ro
initrd /boot/initrd.img-3.8.0-19-generic
}
submenu 'Erweiterte Optionen für Kubuntu GNU/Linux' $menuentry_id_option 'gnulinux-advanced-63ffc967-659d-4db4-b3ac-6e037d4ee1dc' {
menuentry 'Kubuntu GNU/Linux, mit Linux 3.8.0-19-generic' --class kubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.8.0-19-generic-advanced-63ffc967-659d-4db4-b3ac-6e037d4ee1dc' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
else
search --no-floppy --fs-uuid --set=root 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
fi
echo 'Linux 3.8.0-19-generic wird geladen …'
linux /boot/vmlinuz-3.8.0-19-generic root=UUID=63ffc967-659d-4db4-b3ac-6e037d4ee1dc ro
echo 'Initiale Ramdisk wird geladen …'
initrd /boot/initrd.img-3.8.0-19-generic
}
menuentry 'Kubuntu GNU/Linux, mit Linux 3.8.0-19-generic (Wiederherstellungsmodus)' --class kubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.8.0-19-generic-recovery-63ffc967-659d-4db4-b3ac-6e037d4ee1dc' {
recordfail
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
else
search --no-floppy --fs-uuid --set=root 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
fi
echo 'Linux 3.8.0-19-generic wird geladen …'
linux /boot/vmlinuz-3.8.0-19-generic root=UUID=63ffc967-659d-4db4-b3ac-6e037d4ee1dc ro recovery nomodeset
echo 'Initiale Ramdisk wird geladen …'
initrd /boot/initrd.img-3.8.0-19-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
else
search --no-floppy --fs-uuid --set=root 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
fi
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
else
search --no-floppy --fs-uuid --set=root 63ffc967-659d-4db4-b3ac-6e037d4ee1dc
fi
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
if [ "x${timeout}" != "x-1" ]; then
if keystatus; then
if keystatus --shift; then
set timeout=-1
else
set timeout=0
fi
else
if sleep --interruptible 3 ; then
set timeout=0
fi
fi
fi
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###