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Paravirtualization Interface: Oracle VM VirtualBox provides paravirtualization interfaces to improve time-keeping accuracy and performance of guest OSes. Hardware Virtualization: You can select for each virtual machine individually whether Oracle VM VirtualBox should use software or hardware virtualization. Advanced users may be interested in technical details about software versus hardware virtualization. In most cases, the default settings on the Acceleration tab will work well. Oracle VM VirtualBox selects sensible defaults, depending on the OS that you selected when you created the virtual machine.

In certain situations, however, you may want to change the preconfigured defaults. Video Memory: Sets the size of the memory provided by the virtual graphics card available to the guest, in MB. As with the main memory, the specified amount will be allocated from the host's resident memory. Based on the amount of video memory, higher resolutions and color depths may be available. The GUI will show a warning if the amount of video memory is too small to be able to switch the VM into full screen mode.

The minimum value depends on the number of virtual monitors, the screen resolution and the color depth of the host display as well as on the use of 3D acceleration and 2D video acceleration. Extra memory may be required if display acceleration is used. Up to eight such virtual monitors are supported. The output of the multiple monitors are displayed on the host in multiple VM windows which are running side by side. However, in full screen and seamless mode, they use the available physical monitors attached to the host. As a result, for full screen and seamless modes to work with multiple monitors, you will need at least as many physical monitors as you have virtual monitors configured, or Oracle VM VirtualBox will report an error.

Scale Factor: Enables scaling of the display size. For multiple monitor displays, you can set the scale factor for individual monitors, or globally for all of the monitors. You can set a default scale factor for all VMs. Use the Display tab in the Global Settings dialogs. Enable 3D Acceleration: If a virtual machine has Guest Additions installed, you can select here whether the guest should support accelerated 3D graphics.

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Enable 2D Video Acceleration: If a virtual machine with Microsoft Windows has Guest Additions installed, you can select here whether the guest should support accelerated 2D video graphics. Graphics Controller: Specifies the graphics adapter type used by the guest VM. The following options are available:. This is the default graphics controller for Windows versions before Windows 7 and for Oracle Solaris.

This is the default graphics controller for Linux guests. None: Does not emulate a graphics adapter type. This enables you to connect to the console of the virtual machine remotely with any standard RDP viewer, such as mstsc. On Linux and Oracle Solaris systems you can use the standard open source rdesktop program. Enable Server: Select this check box and configure settings for the remote display connection.

On the Recording tab you can enable video and audio recording for a virtual machine and change related settings. Note that these features can be enabled and disabled while a VM is running. Enable Recording: Select this check box and select a Recording Mode option.

Recording Mode: You can choose to record video, audio, or both video and audio. Some settings on the Recording tab may be grayed out, depending on the Recording Mode setting. File Path: The file where the recording is saved. Frame Size: The video resolution of the recorded video, in pixels. The drop-down list enables you to select from common frame sizes. Frames that have a higher frequency are skipped. Increasing this value reduces the number of skipped frames and increases the file size.

Quality: Use the slider to set the the bit rate of the video in kilobits per second. Increasing this value improves the appearance of the video at the cost of an increased file size. Audio Quality: Use the slider to set the quality of the audio recording. Increasing this value improves the audio quality at the cost of an increased file size. Screens: For a multiple monitor display, you can select which screens to record video from.

As you adjust the video and audio recording settings, the approximate output file size for a five minute video is shown. In a real PC, so-called storage controllers connect physical disk drives to the rest of the computer. If you have used the Create VM wizard to create a machine, you will normally see something like the following:.

Depending on the guest OS type that you selected when you created the VM, a new VM includes the following storage devices:. IDE controller. SATA controller. This is a modern type of storage controller for higher hard disk data throughput, to which the virtual hard disks are attached. Initially you will normally have one such virtual disk, but as shown in the previous screenshot, you can have more than one. Each is represented by a disk image file, such as a VDI file in this example. This might also apply if you selected an older OS type when you created the VM.

Oracle VM VirtualBox also provides a floppy controller.

Set up inch perfect Linux Dev environment on Mac

You cannot add devices other than floppy drives to this controller. You can modify these media attachments freely. For example, if you wish to copy some files from another virtual disk that you created, you can connect that disk as a second hard disk, as in the above screenshot.

If you clicked on a floppy controller, you can add a floppy drive instead. Alternatively, right-click on the storage controller and select a menu item there. The device slot of the controller that the virtual disk is connected to. IDE controllers have four slots which have traditionally been called primary master, primary slave, secondary master, and secondary slave.

For virtual hard disks, a button with a drop-down list appears on the right, offering you to either select a virtual hard disk file using a standard file dialog or to create a new hard disk image file. For virtual floppy drives, a dialog enables you to create and format a new floppy disk image automatically.

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Most commonly, you will select this option when installing an OS from an ISO file that you have obtained from the Internet. For example, most Linux distributions are available in this way. If you select Host Drive from the list, then the physical device of the host computer is connected to the VM, so that the guest OS can read from and write to your physical device. This is, for instance, useful if you want to install Windows from a real installation CD. In this case, select your host drive from the drop-down list presented.

To remove an attachment , either select it and click on the Remove icon at the bottom, or right-click on it and select the menu item. Since the Settings dialog is not available at that time, you can also access these settings from the Devices menu of your virtual machine window. The Audio section in a virtual machine's Settings window determines whether the VM will detect a connected sound card, and if the audio output should be played on the host system.

To enable audio for a guest, select the Enable Audio check box. The following settings are available:. On newer Linux distributions, the PulseAudio subsystem is preferred. The Network section in a virtual machine's Settings window enables you to configure how Oracle VM VirtualBox presents virtual network cards to your VM, and how they operate. This way the guest can connect to the outside world using the host's networking and the outside world can connect to services on the guest which you choose to make visible outside of the virtual machine.

It supports many virtual network cards per virtual machine. The first four virtual network cards can be configured in detail in the VirtualBox Manager window.

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Additional network cards can be configured using the VBoxManage command. Many networking options are available. Serial ports were commonly used with modems, and some computer mice used to be connected to serial ports before USB became commonplace. While serial ports are no longer as common as they used to be, there are still some important uses left for them. For example, serial ports can be used to set up a primitive network over a null-modem cable, in case Ethernet is not available.

Also, serial ports are indispensable for system programmers needing to do kernel debugging, since kernel debugging software usually interacts with developers over a serial port. With virtual serial ports, system programmers can do kernel debugging on a virtual machine instead of needing a real computer to connect to.

Both receiving and transmitting data is supported. How this virtual serial port is then connected to the host is configurable, and the details depend on your host OS. You can use either the Settings tabs or the VBoxManage command to set up virtual serial ports. You can configure up to four virtual serial ports per virtual machine. For each device, you must set the following:. Port Number: This determines the serial port that the virtual machine should see.

For best results, use the traditional values as follows:. You can also configure a user-defined serial port. Port Mode: What the virtual port is connected to. For each virtual serial port, you have the following options:.

Disconnected: The guest will see the device, but it will behave as if no cable had been connected to it. Host Device: Connects the virtual serial port to a physical serial port on your host. On a Windows host, this will be a name like COM1. Oracle VM VirtualBox will then simply redirect all data received from and sent to the virtual serial port to the physical device.

This depends on your host OS, as follows:. On a Windows host, data will be sent and received through a named pipe. On a Mac, Linux, or Oracle Solaris host, a local domain socket is used instead. The socket filename must be chosen such that the user running Oracle VM VirtualBox has sufficient privileges to create and write to it.

On Linux there are various tools which can connect to a local domain socket or create one in server mode.

Downloads – Oracle VM VirtualBox

The most flexible tool is socat and is available as part of many distributions. In this case, you can configure whether Oracle VM VirtualBox should create the named pipe, or the local domain socket non-Windows hosts, itself or whether Oracle VM VirtualBox should assume that the pipe or socket exists already. With the VBoxManage command-line options, this is referred to as server mode or client mode, respectively. For a direct connection between two virtual machines, corresponding to a null-modem cable, simply configure one VM to create a pipe or socket and another to attach to it. Raw File: Send the virtual serial port output to a file.

This option is very useful for capturing diagnostic output from a guest. Any file may be used for this purpose, as long as the user running Oracle VM VirtualBox has sufficient privileges to create and write to the file.

This option enables a remote machine to directly connect to the guest's serial port using TCP. This is typically 23 or Note that on UNIX-like systems you will have to use a port a number greater than for regular users. Up to four serial ports can be configured per virtual machine, but you can pick any port numbers out of the above. However, serial ports cannot reliably share interrupts.

As soon as the guest system starts using a USB device, it will appear as unavailable on the host. Be careful with USB devices that are currently in use on the host. For example, if you allow your guest to connect to your USB hard disk that is currently mounted on the host, when the guest is activated, it will be disconnected from the host without a proper shutdown.

This may cause data loss. Learn the basic concepts, tools, and functions that you will need to run Windows, Mac, and Linux on your current computer with the popular virtualization application, VirtualBox. Learn to use VirtualBox for iOS development or testing with this tutorial for beginners. Learning VirtualBox will give you a strong background in how virtualization works and what you can do with it.

Each chapter focuses on a specific use case for virtual computing allowing you to put your new learned skills into practical use immediately. Starting with the installation of the latest version of VirtualBox, this course will take you through all the pertinent details of the program, and help you get setup correctly the first time. Students completing the course will have the knowledge to create a number of virtual computers to use however you see fit.

Typical uses are to develop iOS or android applications on Mac OS X, Learn Linux Ubuntu and other versions , test websites and other applications, as well as run old software on outdated operating systems.

Here's what others have said about this course " I have tried many vm tutorials and yours is the only one that works. Over students have already taken this course with many 5-star reviews! The most important thing you can get in a course is an instructor that cares about what you need and will help you get it. Until you have the support of someone who has been through what you're attempting, that will show you the steps you need to take in order you aren't going to get anywhere. You really have nothing to lose! Enroll today and get started with VirtualBox.

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I personally assist every student with any issues that come up. If you aren't satisfied for any reason, you have Udemy's 30 day money back guarantee, no joke. I want you to succeed, so I am here to help with anything you need, and if I can't help you then there is no reason to be stuck with this course. Reaching your goals and learning new skills is what really matters. Meet your instructor. You will be able to tell if you should listen to me or not. I hope. Learn what to expect in this course. Apparently you're expecting mind babies. Also, learn how to get help if you have issues.

Discover what you will learn in this course How to leave reviews, but more importantly how to help me make sure you have a 5-star experience before you do. Downloading and installing VirtualBox, which will allow you to run other operating systems on your computer in their own window. Ubuntu is a version of Linux, the most popular. Learn how to install it on Virtual Box, screen by screen. The process is no different than for Windows XP, except the screens look different and the options may vary, however Virtual Box handles them the same way.

Install Windows XP or any other version. The process is the same. Many businesses still use XP for their computers, so it is good to cover the oldest one in case it is being used. Installing WIndows XP continued. This part handles the settings and starting configuration. To do this, again open VirtualBox settings for this VM, go to port forwarding in Network section and make it look like.

I think with all this, we are good to go. Start the VM in background using. Feel free to reach out to me for suggestions to improve this post divyenduz I did this weeks ago, today I just wrote the post at full speed. There may be a few quirks, If you find one, let me know, I will update the article accordingly.