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mount /dev/sda6 /mnt
mount --bind /dev /mnt/dev
2 Nowyou can “changeroot”into the newenvironment:
chroot /mnt
3
Then mount
/proc
and
/sys
:
mount /proc
mount /sys
4 Finally, mount the remainingpartitionsfrom the installedsystem:
mount -a
5 Now you have accessto the installedsystem.Before rebootingthe system,
unmount the partitionswith
umount -a
and leave the “changeroot” environ-
ment with
exit
.
WARNING: Limitations
Although you have full accessto the files and applicationsof the installedsystem,
there are somelimitations.The kernel that is running is the one that was booted
with the rescue system,not with the change root environment. It only supports
essentialhardware and it is not possibleto add kernel modules from the installed
systemunless the kernel versionsare exactly the same (which is unlikely). So
you cannot accessa sound card, for example. It is also not possibleto starta
graphical user interface.
Also note that you leave the “changeroot” environment when you switchthe
console with[ Alt] +[ F1] to[ Alt] +[ F6].
Modifying and Reinstallingthe Boot Loader
Sometimesa system cannot boot becausethe boot loader configurationis corrupted.
The start-up routines cannot, for example, translate physical drives to the actual lo-
cations in the Linux file systemwithout a workingboot loader.
To checkthe boot loader configurationand reinstall the boot loader, proceed as fol-
lows:
1 Perform the necessarystepsto accessthe installedsystemas describedin
Section “Accessingthe Installed System”(page 108).
2 Checkwhetherthe followingfilesare correctlyconfigured according to the
GRUB configurationprinciplesoutlined in Chapter 18, The Boot Loader GRUB
(↑Reference) and apply fixes if necessary.
Help and Troubleshooting 109
117


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