My root password has been changed, how can i enter into the
system without root password?

Answer Posted / abhijeet

Here goes the procedure
1. Boot the system,
2. at grub prompt, press e and edit the kernel line with
letter 'single' or '1' without quote at the end of line
3. this will boot system in single user mode with root privil.
4.reset your 'root' passwd

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