Linux Tutorials - Musab Syed | How to Reset or Recover Root Password in Linux | Linux Tutorials 2024

Опубликовано: 11 Сентябрь 2023
на канале: Gautham Digital Learning

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Recovering the root password in Linux typically involves one of the following methods:

Using Single User Mode:

Reboot your Linux system.
When the GRUB (or other bootloader) menu appears, select the Linux kernel you want to boot into.
Press the 'e' key to edit the boot configuration.
Locate the line that starts with "linux" or "linux16" (depending on your system) and ends with "ro" or "read-only."
Change "ro" or "read-only" to "rw" or "read-write."
Add "init=/bin/bash" at the end of the line.
Press Ctrl+X to boot with the modified configuration.
You'll now have a root shell without needing a password.
Use the "passwd" command to reset the root password:
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passwd root
Follow the prompts to set a new password.
Afterward, reboot the system by running:
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reboot -f
Using a Live CD/USB:

Boot your Linux system from a live CD or USB.
Mount your Linux root partition to a temporary directory. Replace /dev/sdXY with your actual root partition:
bash
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mkdir /mnt/temp
mount /dev/sdXY /mnt/temp
Chroot into the mounted partition:
bash
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chroot /mnt/temp
Use the "passwd" command to reset the root password:
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passwd root
Follow the prompts to set a new password.
Exit the chroot environment:
bash
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exit
Reboot your system:
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reboot
Using a Recovery Mode:

Some Linux distributions, like Ubuntu, provide a recovery mode option in the bootloader menu. Boot into recovery mode, which will give you the option to reset the root password.
It's essential to maintain the security of your system. Only use these methods if you have legitimate access to the system or you are authorized to perform password recovery. Unauthorized access to a system is a violation of privacy and may be illegal. Always follow best practices for securing your Linux system and protecting your passwords.

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