How to Reset Password on Virtual Machine on Virtualbox Ubuntu?

Have you ever forgotten the password to your virtual machine on VirtualBox Ubuntu? It can be a frustrating experience, especially if you have important data stored on the machine. Fortunately, there is a way to reset the password and regain access to your virtual machine. In this tutorial, we will guide you through the step-by-step process of resetting the password on a VirtualBox Ubuntu virtual machine.

Step 1: Launch the VirtualBox application on your computer.

Step 2: Select the Ubuntu virtual machine for which you need to reset the password.

Step 3: Click on the "Settings" option in the toolbar.

Step 4: In the Settings window, navigate to the "Storage" tab.

Step 5: Under the "Storage" tab, select the "Empty" CD/DVD drive.

Step 6: Click on the disk icon located next to the "CD/DVD Drive" dropdown menu and select the option to choose a disk file.

Step 7: Browse and select the Ubuntu ISO file from your computer.

Now that you have selected the Ubuntu ISO file, you are ready to reset the password on your virtual machine. Follow these additional steps:

Step 8: Start the Ubuntu virtual machine.

Step 9: When the machine boots up, you will be prompted to choose a language. Select your preferred language and press Enter.

Step 10: On the subsequent screen, select the option to "Try Ubuntu without installing."

Step 11: Once the Ubuntu desktop loads, click on the "Applications" menu in the top-left corner of the screen.

Step 12: From the drop-down menu, navigate to "System Tools" and select "Terminal."

Step 13: In the terminal window, type the following command and press Enter:

"`
sudo mount /dev/sda1 /mnt
"`

Step 14: Next, run the command to open the root shell:

"`
sudo chroot /mnt
"`

Step 15: Now, you can reset the password by executing the following command:

"`
passwd
"`

Replace `` with the actual username of your Ubuntu virtual machine.

Congratulations! You have successfully reset the password on your VirtualBox Ubuntu virtual machine. You can now exit the terminal and restart the virtual machine to log in with your new password.

Here are the pros and cons of resetting the password on a virtual machine:

Pros Cons
1. Regain access to your virtual machine and important data. 1. Requires some technical knowledge and familiarity with command line.
2. No need to reinstall the virtual machine or lose any data. 2. Resetting the password can potentially compromise security if not done carefully.
3. Provides a quick solution for password recovery. 3. Risk of making mistakes that could result in system instability.

Resetting the password on a virtual machine can be a useful skill to have, allowing you to regain access and continue using your virtual environment without any hassle. Remember to use this knowledge responsibly and take necessary precautions to ensure the security of your virtual machine and data.

Video Tutorial:How do I reset my user password?

How do I reset my virtual machine password?

Resetting a virtual machine password can vary depending on the virtualization platform you are using. Here are some general steps you can follow to reset a virtual machine password:

1. Determine the virtualization platform: Identify the virtualization software or platform you are using to manage your virtual machines. This could be VirtualBox, VMWare, Hyper-V, or any other similar platform.

2. Access the virtual machine settings: Open the virtualization software and locate the specific virtual machine for which you want to reset the password. Select the virtual machine and access its settings.

3. Power off the virtual machine: Make sure the virtual machine is powered off before attempting to reset the password. This ensures that any changes you make take effect properly.

4. Boot the virtual machine from a password reset disk or ISO: Many virtualization platforms allow you to attach ISO images or boot from virtual disks. Create a password reset disk or obtain a password recovery ISO file.

5. Mount the password reset disk or ISO: Attach the password reset disk or ISO file to the virtual machine. This will enable the virtual machine to boot from it.

6. Start the virtual machine: Power on the virtual machine and configure it to boot from the password reset disk or ISO image. This may require modifying the virtual machine’s boot order settings.

7. Follow the on-screen instructions: Once the virtual machine boots from the password reset disk or ISO, follow the instructions provided to reset the password. This could involve selecting the appropriate drive or partition and resetting the password for the specified user account.

8. Reboot the virtual machine: After resetting the password, shut down the virtual machine, detach the password reset disk or ISO, and start the virtual machine again.

9. Log in with the new password: Use the newly reset password to log in to the virtual machine. Ensure that the password change is successful and you can access the virtual machine without any issues.

Remember, these steps are general guidelines. The exact process may differ based on the virtualization platform you are using. Consult the documentation or support resources for your specific virtualization software if you encounter any difficulties during the process.

How to reset user password in Ubuntu?

Resetting a user password in Ubuntu is a relatively straightforward process that can be done through the command line. Here’s a step-by-step guide on how to achieve it:

1. Power on your Ubuntu system and wait for the login screen to appear.
2. Once you reach the login screen, press Ctrl+Alt+F3 simultaneously to switch to a virtual terminal interface.
3. You’ll be prompted to enter your username and password. Provide the credentials of the user whose password you want to reset. Note that when entering the password, no characters will be displayed on the screen for security reasons. Just type it and press Enter.
4. After successfully logging in, you’ll be at a command prompt. Now, enter the following command:

"`
sudo passwd
"`

Replace `` with the actual username of the account for which you want to reset the password. Press Enter.

5. You will be prompted to enter a new password. Type in the new password and press Enter. Again, while entering the new password, no characters will be displayed on the screen.
6. Next, you’ll be asked to re-enter the new password for confirmation. Retype the new password and press Enter.

Once you’ve followed these steps, the password for the specified user account will be successfully reset, allowing you to log in with the newly set password.

It’s worth noting that this process requires administrative privileges (`sudo`). Additionally, make sure to always use this approach responsibly and only for legitimate purposes, such as when you forget your own password or when authorized to perform password resets.

How do I reset my Ubuntu 20.04 virtual machine password?

Resetting the password for a Ubuntu 20.04 virtual machine can be done by following these steps:

1. Start by launching the Ubuntu 20.04 virtual machine on your preferred virtualization platform.

2. Once the virtual machine has booted up, you will reach the login screen. In case you have forgotten the password or need to reset it, click on the power icon at the bottom right corner of the screen. Then, select the "Restart" option while holding down the SHIFT key.

3. As the virtual machine restarts, you will be presented with the GRUB boot loader menu. Use the arrow keys on your keyboard to highlight the default Ubuntu entry and then press the "e" key to edit the boot options.

4. Within the boot options screen, locate the line starting with "linux" and contains "ro quiet splash". Move the cursor to the end of that line using the arrow keys.

5. At the end of the line, add the following code: "init=/bin/bash". This will launch the Bash shell for you to reset the password.

6. After adding the code, press the "Ctrl + X" key combination or the appropriate key mentioned at the bottom of the screen to boot with the modified settings.

7. The virtual machine will boot up into a root shell prompt instead of the login screen. Now, you can proceed to reset the password by entering the command "passwd username" (replace "username" with the actual username of your account) and press Enter.

8. You’ll be prompted to enter and confirm a new password. Make sure to choose a strong, secure password and remember it for future use.

9. Once you have successfully reset the password, type the command "reboot" to restart the virtual machine.

10. The virtual machine will now restart normally and present you with the login screen. Use the new password to log in to your Ubuntu 20.04 virtual machine.

Remember that this guide assumes you have administrative access to the Ubuntu 20.04 virtual machine. Additionally, it’s essential to maintain the security of your system and use strong and unique passwords to protect your data.

How to reset password in Linux VM?

Resetting a password in a Linux virtual machine (VM) involves a few steps. Here’s a professional guide on how to do it:

1. Start by accessing the Linux VM: Open the virtualization software (such as VirtualBox or VMware) and launch the Linux VM. Ensure that you have administrative or root access to the VM.

2. Access the GRUB bootloader: Restart the VM and quickly press the Shift key (or ESC key in some cases) to access the GRUB bootloader menu. This step may vary depending on the Linux distribution.

3. Edit the boot entry: Once inside the GRUB bootloader menu, select the Linux kernel you wish to reset the password for and press "e" to edit the boot entry.

4. Modify the boot parameters: Locate the line that starts with "linux" or "linuxefi" and navigate to the end of that line. Add the following command to the end of the line: "init=/bin/bash" or "init=/bin/sh".

5. Boot into single-user mode: Press Ctrl+X or F10 to boot the VM with the modified boot parameters. This will take you into a single-user mode with root privileges.

6. Remount the root file system: Once you are in the single-user mode, remount the root file system in read/write mode by entering the following command: "mount -o remount,rw /".

7. Reset the password: With the root file system remounted, you can now reset the password for the desired user account. Use the "passwd" command followed by the username to change the password. Provide a new password when prompted.

8. Restart the VM: After successfully changing the password, reboot the VM by entering the "reboot" command. Wait for the VM to restart and proceed to the login screen.

9. Login with the new password: Use the newly set password to log in to the Linux VM. Once logged in, make sure to remember the password and consider changing it to a secure and unique one.

Remember to follow appropriate security practices, such as protecting access to your VM and ensuring strong passwords, to maintain the security of your Linux environment.

How to remove password from Ubuntu VM?

As a tech blogger, I would like to provide a step-by-step guide on how to remove the password from an Ubuntu VM. Please note that these instructions may vary depending on the specific version of Ubuntu you are using, but the general steps should be similar.

1. In the Ubuntu VM, open the Terminal by pressing Ctrl+Alt+T or by searching for "Terminal" in the applications menu.

2. Type the following command to edit the sudoers file:
"`
sudo visudo
"`

3. Enter your password when prompted.

4. This will open the sudoers file in the nano text editor. Look for a line that looks like this:
"`
%sudo ALL=(ALL:ALL) ALL
"`

5. Move the cursor to the right side of this line and press the Delete key to remove it.

6. Now, add the following line beneath the previously deleted line:
"`
%sudo ALL=(ALL:ALL) NOPASSWD: ALL
"`

7. Press Ctrl+O to save the changes and then press Enter to confirm the filename.

8. Press Ctrl+X to exit the nano text editor.

9. Restart the Ubuntu VM to apply the changes.

After following these steps, the password should no longer be required for sudo commands in the Ubuntu VM. However, it’s important to note that removing the password entirely may have security implications, as it allows anyone with access to the VM to execute privileged commands without authentication. Therefore, it’s advisable to consider the potential risks before implementing such changes.

How do I reset my VM administrator password?

Resetting the VM administrator password can vary depending on the virtualization platform you are using. Here are the general steps you can follow:

1. Identify the virtualization platform: Determine whether you are using a platform like VMware, VirtualBox, Hyper-V, or any other virtualization software. This will help you find specific instructions for your setup.

2. Access the VM console: Start the virtual machine and access its console or desktop interface. This step may involve launching a specific application or using a remote desktop connection.

3. Power off the virtual machine: Before resetting the password, it’s important to power off the virtual machine. This ensures that any changes made to the password are properly applied.

4. Access the VM settings: Once the VM is powered off, access the settings or configuration options of your virtualization platform. Look for options related to VM management or security.

5. Reset the password: Locate the option to reset the VM administrator password. This can vary depending on the virtualization software. Some platforms provide a specific interface or command-line tool, while others may require editing a configuration file.

6. Follow the instructions: Once you have located the password reset option, follow the instructions provided by the virtualization platform. The process may involve specifying a new password or generating a password reset token.

7. Save the changes: After resetting the password, make sure to save the changes in the VM settings or configuration. This ensures that the new password is applied when you start the virtual machine.

8. Power on the VM: Now, power on the virtual machine and log in with the newly set administrator password.

It’s important to note that these steps are general guidelines and may vary depending on the virtualization platform and specific version you are using. Consulting the official documentation or support resources for your virtualization software is recommended for detailed instructions pertaining to your setup.