The concept of virtual machines (VMs)

Discover the world of Virtual Machines (VMs) in this comprehensive guide. Learn how VMs function in various domains like gaming, Linux education, and hacking. Understand how to set up and use virtual machines on your computer, the role of hypervisors, and the advantages of virtualization. This article covers everything from installing Linux and Windows VMs to the security aspects of using VMs. Ideal for tech enthusiasts and professionals alike, it provides practical insights into enhancing your digital experience with VMs.

Nov 24, 2023 - 10:46

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The concept of virtual machines (VMs)

Virtual machines (VMs) are introduced in this video along with their significance in several domains, including gaming, Linux education, and hacking. A virtual machine (VM) is essentially a computer inside a computer that pretends to be another computer. This is analogous to how we are now unaware that we are in the matrix.

You may install Kali Linux, Ubuntu, or Windows on a single laptop by setting up a virtual machine (VM). An operating system, such as Linux, must be installed on the computer in order to utilize a virtual machine. Take Linux as an example; in order to understand it, you might have to get a new computer and install it on it.

The ability to go "inside" your own computer using a virtual machine (VM) is like magic. A hypervisor, an elegant term for an application installed on your operating system, is used to virtualize virtual machines. Resources like the central processing unit (CPU), random access memory (RAM), and memory storage may be accessed in this way, unlike with a physical computer.

To study and experiment with various OSes like Windows, Linux, and Ubuntu, virtual computers are indispensable. You may start making better use of virtual machines (VMs) to enhance your life and become a better hacker or user after you grasp their ideas and capabilities.

Whether you're using Linux, Windows, or macOS, VirtualBox is a free program that may let you build virtual computers on your computer. Thanks to this incredible technology, virtualization can be installed on any device, be it a desktop computer or a laptop. The hypervisor simulates the processing unit, random access memory (RAM), and graphics processing unit (GPU) by stealing resources from the operating system.

Installed on top of an existing OS (Windows, Linux, or Mac), type 2 hypervisors generate guest operating systems (OSs) that grant access to system resources just like any other user. In doing so, they gain pride in the home and a sense of agency over their belongings. Type 1 hypervisors, like Vmware's ESXI, may be loaded directly into hardware and are commonly used by organizations and enterprises. These hypervisors are compatible with any computer.

Creating virtual computers by allocating hardware resources is the same job as type 1 and type 2 hypervisors. In type 1, the hypervisor has complete control over all hardware resources; in type 2, it has to ask for and share resources with the host operating system.

Users can install ESXI after erasing Windows or Linux from their computers in order to set up virtual machines. But in practice, big servers from Dell or HP are the ones that usually have these hypervisors installed.

With virtualization, users may build virtual computers on any device, irrespective of the operating system. It is an indispensable tool for both professional and personal usage due to its excellent storage and management capabilities.

In this article, we will look at three arguments in favor of learning to hack on a virtual computer. The primary advantage is that you may experiment with many OSes without worrying about impacting your host OS or primary operating system.

The second is that you enjoy causing chaos by tinkering with settings, disassembling objects, or creating whole new ones. If you want to test out new features or software without worrying about impacting your host OS, a virtual machine is the way to go.

Your laptop won't be able to run virtual machines without a desktop computer with four gigabytes of RAM and a central processing unit. Kali Linux may be installed as a virtual computer in case you do not have an additional room available for a visitor. You can get 32-bit or 64-bit versions of most OSes. You need to enable hardware virtualization capability for your CPU in the BIOS in order to run a 64-bit operating system. You may support both versions by downloading 32-bit images if you go for the 32-bit version.

First, power up your computer, and then hit the F12 key to access the BIOS setup menu. After that, go to an advanced CPU configuration, such as Intel Vmx virtualization technology, by changing one option. Pressing space, hitting escape, saving, leaving, and resetting will activate AMD V technology for AMD CPUs.

In conclusion, a virtual machine provides a risk-free environment in which to practice hacking techniques for various operating systems without jeopardizing your host OS.

Installing a virtual machine on a different OS, such as Windows, Ubuntu, or Kali Linux, is described in the text. Get the OS and hypervisor packages from the internet. That's the first step. Get the four-gigabyte-sized 64-bit installation for Kali Linux. Get the most recent Ubuntu version and install it according to the instructions.

After that, get the free and compatible Hypervisor from Oracle. It works with a bunch of different OSes. To make sure it works with multiple OSes, pick the right version for your virtual machine. For example, 64-bit Ubuntu

You can build a virtual computer by selecting the version you want from the drop-down menu. As an example, Kali Linux is compatible with Ubuntu 64-bit. Use the task manager to monitor the CPU and memory utilization while all normal programs are active to find out how much memory to assign to the virtual machine.

Make a 10-gigabyte virtual hard drive for the hard drive. Before you click Create, check that your hard disc has adequate space. For those just starting off, the defaults are a good idea, but for peak performance, go with the dynamically allocated option. Unless absolutely necessary, the hypervisor will not use up all 10 GB of your hard drive's space.

Pick a location for the hard disc and give it a capacity of around 20 GB for storage. Because of this, the virtual machine will be able to function properly.

To summarise, in order to install a virtual machine on a different OS, you need to download the OS, the hypervisor, and then adjust the storage and RAM settings to your liking. Overstuffing the virtual machine's RAM could lead to problems with guests, so be careful. If you follow these instructions to the letter, you should have no trouble setting up a virtual machine on your brand-new PC.

The essay provides an overview of creating a virtual machine and configuring it with customizable options. The number of central processing units (CPUs) allocated to the new machine is an essential consideration. An increase of many fours in the number of CPUs is advised, as most users have multi-core CPUs. If you intend to use several virtual computers, this is crucial.

Press the Start Now button and choose the installation disc—one of the ISOs you downloaded—to launch the virtual computer. It is advised to use the ISOs of Kali Linux and Ubuntu. You can use the installation disc to access the virtual computer and use the keyboard and mouse, but you could have trouble getting out of it. If you want to revert to the operating system that came with your device, you can use the host key option.

When in doubt, format the entire disc using the default options. This will only delete the 10 GB disc that has been granted access to the machine and will not delete the host operating system disc. Most options may be toggled between, and the procedure is simple and quick, according to the text.

In order to install the Kali Linux operating system—which includes several hacking tools—on a Windows laptop, the author explains how to make a virtual disc that looks like the real thing. The user installs the virtual disc—a made-up disc—by clicking the proceed button. By continuing with the default settings, the user logs into their laptop and creates a virtual machine that falsely believes it is the sole user of its hardware. When studying Linux and hacking, this approach is invaluable.

Because of its isolation, the user's Windows operating system will remain unaffected by any actions performed on the virtual computer. Making sure the user's activities don't impact their network is especially crucial when hacking ethically. Several more capabilities of Virtualbox, including the ability to pause, reset, and close the virtual machine, are also mentioned in the text.

Among its many useful features is the option to save the virtual machine's current state. By launching a command prompt, entering some text, and then selecting "close," the user can save the virtual machine's state. The user may pick up right where they left off on their virtual computer when they restore it.

Users may build and control their own virtual worlds on their own computers with the help of virtual machines. For example, you may use them to run many operating systems on a single machine, such as Kali, Ubuntu, Windows, and Linux. The capacity to power down and restart virtual machines as needed is a crucial characteristic of these computing environments. New operating systems and software installations are two situations in which this function shines.

Virtual machines allow the host and guest operating systems to share the clipboard, which is a crucial feature. Through the "host a guest guest" option and the selection of "shared clipboard," users are able to accomplish bidirectional copy and paste between their host and guest operating systems. Warning: Copying and pasting from one clipboard to another might put your security at risk. The best way for users to guarantee complete isolation is to keep their computers as separate as possible.

One other thing about virtual machines is that they may share folders across the host and guest computers. Because of this, users are able to transfer files across the two platforms. But their safety might be compromised as a result of this. A hacker, for instance, would miss the host's network altogether if they scanned it.

Switching the host machine's IP address to a bridged adapter alters the host machine's behavior, allowing users to preserve security. To accomplish this, just verify the IP address of the virtual computer after rebooting it. But to be sure the modification took effect; you might have to restart the device.

The capacity to build and administer several virtual environments on a single computer is only one of the many advantages offered by virtualization technology. While keeping their own security in mind, users are able to run hosts such as Kali, Ubuntu, Windows, and Linux. Virtualization has many useful applications, but users must be wary of its restrictions, whether they're using it at work or at home.

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