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How To Uninstall Oracle VirtualBox 6.1 on Ubuntu 20.04 When VMs are Running

Ubuntu 6

In this guide, we will walk you through the process of uninstalling Oracle VirtualBox 6.1 on Ubuntu 20.04, even when there are Virtual Machines (VMs) running. This can be a tricky process, but we’ll break it down step by step.

Quick Answer

To uninstall Oracle VirtualBox 6.1 on Ubuntu 20.04 when VMs are running, you need to first check for any running VMs and terminate them. Then, you can proceed to uninstall VirtualBox using the appropriate command. Finally, remove any remaining files and verify the uninstallation.

Overview

Oracle VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise and home use. However, there might be situations where you need to uninstall it. One such scenario is when you have VMs running and you’re unable to uninstall VirtualBox. This guide aims to help you navigate through this process.

Step 1: Check for Running VMs

Before attempting to uninstall VirtualBox, it’s crucial to check if there are any running VMs. To do this, open your terminal and enter the following command:

sudo ps -a

This command lists all the running processes on your system. If you see any processes related to VirtualBox, take note of their Process IDs (PIDs).

Step 2: Terminate VirtualBox Processes

If there are any running VirtualBox processes, you’ll need to terminate them. You can do this with the following command:

sudo killall virtualbox-6.1

The killall command sends a signal to terminate all instances of the specified process. In this case, it terminates all running instances of VirtualBox 6.1.

Step 3: Uninstall VirtualBox

Once all running processes are terminated, you can proceed to uninstall VirtualBox. Use the following command:

sudo apt-get purge virtualbox-6.1:amd64

The apt-get purge command removes the specified package along with its configuration files. The :amd64 specifies the architecture of the package to be removed.

Step 4: Remove Remaining Files

After uninstalling VirtualBox, there might be some remaining files. You can remove them using the following commands:

sudo rm /usr/lib/virtualbox/postinst-common.sh
sudo rm /usr/lib/virtualbox/prerm-common.sh
sudo rm ~/.config/VirtualBox/ -Rf
sudo rm ~/"VirtualBox VMs" -Rf

These rm commands remove the specified files and directories. The -Rf option tells the command to remove files and directories recursively and without asking for confirmation.

Step 5: Verify Uninstallation

To verify that VirtualBox has been successfully uninstalled, run the following command:

virtualbox

If the command is not found, it means VirtualBox has been successfully removed from your system.

Conclusion

Uninstalling Oracle VirtualBox 6.1 on Ubuntu 20.04 when VMs are running can be a challenging task, but with the right commands and steps, it can be done. Always remember to check for running VMs and terminate them before attempting to uninstall VirtualBox. If you encounter any errors or issues during the uninstallation process, feel free to ask for help in the comments section below.

Can I uninstall Oracle VirtualBox 6.1 on Ubuntu 20.04 while VMs are running?

Yes, you can uninstall Oracle VirtualBox 6.1 on Ubuntu 20.04 even when VMs are running. However, it is important to first check for running VMs and terminate them before proceeding with the uninstallation process.

How do I check for running VMs on Ubuntu 20.04?

To check for running VMs on Ubuntu 20.04, open your terminal and enter the command "sudo ps -a". This command will list all the running processes on your system, including any related to VirtualBox. Take note of the Process IDs (PIDs) of the VirtualBox processes.

How do I terminate VirtualBox processes on Ubuntu 20.04?

To terminate VirtualBox processes on Ubuntu 20.04, use the command "sudo killall virtualbox-6.1". This command sends a signal to terminate all instances of VirtualBox 6.1 that are currently running.

How do I uninstall VirtualBox on Ubuntu 20.04?

To uninstall VirtualBox on Ubuntu 20.04, use the command "sudo apt-get purge virtualbox-6.1:amd64". This command removes the specified package and its configuration files from your system.

Are there any remaining files after uninstalling VirtualBox on Ubuntu 20.04?

Yes, there may be some remaining files after uninstalling VirtualBox. To remove them, use the following commands: "sudo rm /usr/lib/virtualbox/postinst-common.sh", "sudo rm /usr/lib/virtualbox/prerm-common.sh", "sudo rm ~/.config/VirtualBox/ -Rf", and "sudo rm ~/"VirtualBox VMs" -Rf". These commands remove the specified files and directories from your system.

How can I verify the uninstallation of VirtualBox on Ubuntu 20.04?

To verify the uninstallation of VirtualBox on Ubuntu 20.04, run the command "virtualbox" in your terminal. If the command is not found, it means VirtualBox has been successfully removed from your system.

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