How to install a virtual machine under Linux system

Installing a virtual machine under a Linux system is a very common and useful task. Virtual machine technology allows users to run multiple independent virtual operating systems on a physical machine to achieve resource sharing and isolation. This article will introduce how to install VirtualBox, a commonly used virtual machine software in Linux systems, as well as specific code examples to help readers complete the installation process.

Step 1: Download VirtualBox

First, we need to download the installation package for Linux system from the VirtualBox official website. Open the browser, visit the VirtualBox official website (https://www.virtualbox.org), find the Linux version installation package and download it locally.

Step 2: Install dependency packages

Before installing VirtualBox, we need to install some software packages to ensure that VirtualBox can run normally. Execute the following command in the command line:

sudo apt-get update
sudo apt-get install build-essential linux-headers-$(uname -r)

Step 3: Install VirtualBox

1. Enter the directory where the downloaded VirtualBox installation package is located, and use the following command Install:

sudo dpkg -i virtualbox-<version>-Linux_amd64.deb

Note: <version> needs to be replaced with the one you downloaded VirtualBox version number.

2. After the installation is complete, use the following command to check whether VirtualBox is installed successfully:

VBoxManage --version

If the version information of VirtualBox is output, It means the installation is successful.

Step 4: Configure VirtualBox

Now, you can open VirtualBox and start creating a virtual machine. In the VirtualBox interface, click "New", follow the guidelines to select the name of the virtual machine, operating system type, memory size and other configuration parameters, and finally click "Create" to complete the creation of the virtual machine.

Step 5: Install the virtual operating system

After creating the virtual machine, you need to install the virtual operating system. Click the virtual machine in the virtual machine list, select "Settings" in the top menu bar, load the virtual CD image file (ISO image) in the "Storage" option, then start the virtual machine, and follow the prompts to complete the installation process of the virtual operating system.

At this point, we have successfully installed the VirtualBox virtual machine under the Linux system, created a virtual machine and installed the virtual operating system. Through the concise guidance and code examples provided in this article, readers should be able to easily install and use virtual machine technology in their own Linux systems. I hope this article can help readers!

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