LinuxQuestions.org - root-access on /dev/hda with knoppix 3.3?????????

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root-access on /dev/hda with knoppix 3.3?????????

Hello

I booted up knoppix3.3 from cd and wanted to restore my grub back to my mbr. after booting up knoppix I do this in a terminal-window:

Code:

sudo su

cd /mnt

mount hda4                                  #fdisk says-> hda4 is root and bootable

[root@ttyp0[mnt]]# chroot hda4

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung:

"keine berechtigung" is german and means "no access" or "access error", but anyhow, knoppix changes root to hda4 (very strange, I know)

Code:

[root@Knoppix /]# df -m

Dateisystem          1M-Blöcke  Benutzt Verfügbar Ben% Eingehängt auf

/dev/hda4                3691      1109      2395  32% /

none                      3691      1109      2395  32% /proc

[root@Knoppix /]# sudo su

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

[root@Knoppix /]# su

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

bash: /dev/null: Keine Berechtigung

so the cause for my problem is the access-problem. As I executed the following command for the first time, I damaged my mbr...

Code:

[root@Knoppix /]# grub-install /dev/hda

/sbin/grub-install: line 419: /dev/null: Keine Berechtigung

/sbin/grub-install: line 421: /dev/null: Keine Berechtigung

/sbin/grub-install: line 419: /dev/null: Keine Berechtigung

/sbin/grub-install: line 421: /dev/null: Keine Berechtigung

/sbin/grub-install: line 419: /dev/null: Keine Berechtigung

/sbin/grub-install: line 421: /dev/null: Keine Berechtigung

/sbin/grub-install: line 419: /dev/null: Keine Berechtigung

/sbin/grub-install: line 421: /dev/null: Keine Berechtigung

/sbin/grub-install: line 419: /dev/null: Keine Berechtigung

/sbin/grub-install: line 421: /dev/null: Keine Berechtigung

The file /boot/grub/stage1 not read correctly.

I tried also "/dev/hda4" indeed of /dev/hda, but the same errors appear....
how do you get root-access on a harddisk by booting knoppix3.3?????
please help, it's very important
thanks for all advises
pablo

what am i doing wrong?
There are a lot of hints on google, but nothing helped me....
havenßt you got any advise?

hasn't anyone an idea?
If it doesn't run and you know that, please tell me...
thanks

today morning, once, it ran successfull... but after installing windows again... on hda1, it doesn't run anymore...here what I've done this morning:

Code:

knoppix@ttyp1[knoppix]$ sudo su

root@ttyp1[knoppix]# cd /mnt

root@ttyp1[mnt]# mount /dev/hda4 hda4

root@ttyp1[mnt]# ls

#  auto  cdrom  fd0  floppy  hd  hda2  hda4  hda5  none  test

root@ttyp1[mnt]# cd hda4

root@ttyp1[hda4]# ls

bin  dev  home    lib        misc  opt  root  tmp  var

boot  etc  initrd  lost+found  mnt  proc  sbin  usr

root@ttyp1[hda4]# mount -o bind /proc proc

root@ttyp1[hda4]# chroot /mnt/hda4

bash-2.05b# grub-install /dev/hda

Installation finished. No error reported.

This is the contents of the device map /boot/grub/device.map.

Check if this is correct or not. If any of the lines is incorrect,

fix it and re-run the script `grub-install'.



# this device map was generated by anaconda

(fd0)    /dev/fd0

(hd0)    /dev/hda

bash-2.05b#

but I can't reproduce this effect. after entering "grub install /dev/hda" (and all the other commands, entered as they are listed above) my knoppix says: "access error"....
what tha fuck am i doing wrong????
please help

well, it ran with cd1 from redhat (rescue mode) and I could reinstall my grub-loader to my mbr