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help in root password (noob)
my friend forgot his root password and he want me to recover / replace it. and i want to use knoppix in recovering / replacing it.
the problem is i only know how to administer oracle database in lunux but not troubleshooting the system, could somebody please teach me how?
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You can do that without using knoppix. If you use lilo, highlight the kernel you wish to mount, hit <tab>, type 1, hit <enter>, to boot into single user mode. Then just change the password with the command passwd
With grub, highlight kernel, type e to edit, add 1, hit <enter> and do passwd.
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using grub 0.93, so i select redhat linux, then pressed e, but nothing happened
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Did you try typing 1 and pressing enter? Doesn't redhat have a resque mode on the cd? That should be able to reset the password. If both fail, try:
boot knoppix
login as root in a console
type "sudo su"
type "mount /mnt/hdXn && chroot /mnt/Xn" where Xn is your redhat root partition
type "passwd"
type "Ctrl-d"
reboot
Can't remember now if mounting /proc is needed, could someone fill in that info?
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