Grub2: Unterschied zwischen den Versionen

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=Installation=
+
=Allgemein=
 
+
*[[Grub2 Systemstart]]
Grub wird in den MBR der angeben Festplatte geschrieben: (BSP)
+
*[[Grub2 EFI]]
grub-install /dev/sda [Achtung, Bootreihenfolge im BIOS/UEFI beachten!]
+
*[[Grub2 Installation]]
 
oder auf einer Partition: (BSP)
 
grub-install --force /dev/sda3
 
  
 
=Konfigurationsdateien=
 
=Konfigurationsdateien=
==/boot/grub/grub.cfg==
+
*[[/boot/grub/grub.cfg]]
 
+
*[[/etc/default/grub]]
Beispiel Konfiguration:
+
*[[Grub2 Reparatur]]
<pre>
+
*[[Shellbefehle]]
#
+
*[[grub-befehle]]
# 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 ###
 
  
</pre>
+
=How to's=
 +
*[[Linux boot hacking]]
 +
*[[Sytem aus Rescue Shell Booten]]
 +
*[[Grub2 chroot]]
 +
*[[Grub2 serielle Konsole]]
 +
*[[Grub2 Password]]
 +
*[[Grub2 Menu erscheint nicht]]
 +
=Aufgaben=
 +
[[Aufgaben Booten]]
  
==/etc/default/grub==
+
=Links=
==/etc/grub.d/==
+
*http://www.it-muecke.de/grub-rescue

Aktuelle Version vom 27. Juni 2023, 18:18 Uhr