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Reset password in ubuntu

How to reset password in ubuntu?


Overview: This article explains how to reset a user password in Ubuntu by editing GRUB boot parameters and using single-user mode.


This article provides a step-by-step guide on resetting password in ubuntu using the GRUB bootloader. The process involves booting into single-user mode or recovery mode and then using the command line to reset the password.

Step 1: Access the OVA console through your virtualization platform.
Step 2: Access the GRUB menu
GNU GRUB version 2.06 boot menu displaying a list of operating systems and advanced options for system startup.

Step 3: Select ubuntu and Press ‘E’ to edit the entry.
Step 4: Modify boot parameters. To boot into single-user mode, you need to modify the Linux boot parameters. Find the line that starts with linux . This line specifies the boot parameters.

Step 5: Edit the clause of the second last line from ‘ro quiet splash $vt_handoff’ to ‘rw init=/bin/bash

After adding rw init=/bin/bash

Step 6: Press F10 or Ctrl-x to save the edits and boot

Step 7: Reset password. Type the ‘passwd’ command and provide the new password for the user

root@(none):/# passwd username

For example, reset the password of root as follows:

Step 8: Type the command ‘exec /sbin/init’ to reboot or reboot from the console.


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