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====== Grub ======
''root'' vs ''real_root'' - A ''real_root'' használja az initramfs-t az eszközök inicializálásához<code grub>
title Gentoo Linux
root (hd0,1)
kernel /boot/kernel-genkernel-x86-2.6.24-gentoo-r5 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/mapper/nvidia_abiccada4 dodmraid video=vesafb:ywrap,pmipal,1280x1024-16@60
initrd /boot/initramfs-genkernel-x86-2.6.24-gentoo-r5
</code>

===== Indítás kézzel =====
http://askubuntu.com/questions/197833/recovering-from-grub-rescue-crash
<code bash>
ls (hdX,Y)  #replace X,Y with the right numbers, eg (hd0,3) for 3rd partition, 1st drive or (hd1,5) for 2nd drive, fifth partition
set prefix=(hdX,Y)/boot/grub
set root=(hdX,Y)
set
ls /boot  
insmod linux
linux /vmlinuz root=/dev/sdXY ro  #use the usual linux way of referring to partitions: sda1 would 1st drive, first partition; sda3: 1st drive, 3rd partition; sdb5: 2nd drive, 5th partition
initrd /initrd.img
boot
</code>

====== Grub2 ======
Csak konzolos grub config:<code bash /etc/default/grub>
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=3
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX="text"

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
</code>

xxxxxxxxxx
 
====== Grub ======''root'' vs ''real_root'' - A ''real_root'' használja az initramfs-t az eszközök inicializálásához<code grub>title Gentoo Linuxroot (hd0,1)kernel /boot/kernel-genkernel-x86-2.6.24-gentoo-r5 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/mapper/nvidia_abiccada4 dodmraid video=vesafb:ywrap,pmipal,1280x1024-16@60initrd /boot/initramfs-genkernel-x86-2.6.24-gentoo-r5</code>​===== Indítás kézzel =====http://askubuntu.com/questions/197833/recovering-from-grub-rescue-crash<code bash>ls (hdX,Y)  #replace X,Y with the right numbers, eg (hd0,3) for 3rd partition, 1st drive or (hd1,5) for 2nd drive, fifth partitionset prefix=(hdX,Y)/boot/grubset root=(hdX,Y)setls /boot  insmod linuxlinux /vmlinuz root=/dev/sdXY ro  #use the usual linux way of referring to partitions: sda1 would 1st drive, first partition; sda3: 1st drive, 3rd partition; sdb5: 2nd drive, 5th partitioninitrd /initrd.imgboot</code>​====== Grub2 ======Csak konzolos grub config:<code bash /etc/default/grub># If you change this file, run 'update-grub' afterwards to update# /boot/grub/grub.cfg.# For full documentation of the options in this file, see:#   info -f grub -n 'Simple configuration'

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