Reset RedHat root password

To reset the redhat root password follow the following steps:

1. Reboot / boot the redHat.

2. press any key like space bar.

3.Press a and you and will see following prompt or similar:

grub append> ro root=LABEL=/

4. add single to the above line to enter to single user linux mode and then press enter.

grub append> ro root=LABEL=/ single

5. Linux will go on boot and after a while you will be prompted by similar prompt.

 
sh-3.01b#

6. type the following command to change the password.

sh-3.01b# passwd <your new password>

7. It will ask you to retype the password after confirm. you can reboot the system by typing reboot.

sh-3.01b# reboot

 

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