- 1 year ago
At grub-boot loader screen. Select Recovery mode the version of the kernel that you wish to boot and type e for edit. Select the line that starts with kernel and type e to edit the line.
Go to the end of the line and type init=/bin/bash as a separate one word (press the spacebar and then type init=/bin/bash).
Press enter key to exit edit mode.
Back at the GRUB screen, type b to boot into single user mode. This causes the system to boot the kernel and run /bin/bash instead of its standard init. This will allow us gain root privileges without password.
If you wanna reset root password remount partitions
# mount -n -o remount,rw / # mount -avt nonfs,noproc,nosmbfs # cd /etc #passwd
Changing password for user root.
New UNIX password: Retype new UNIX password:
Now, you will get following messages. It means that password for root user has been updated.
passwd: all authentication tokens updated successfully.
At last, reboot the server and you are done.
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