1 First steps
1.8 Running your virtual machine
To start a virtual machine, you have several options:
• Double-click on its entry in the list within the Manager window or
• select its entry in the list in the Manager window it and press the “Start” button at the top
or
• for virtual machines created with VirtualBox 4.0 or later, navigate to the “VirtualBox VMs”
folder in your system user’s home directory, find the subdirectory of the machine you want
to start and double-click on the machine settings file (with a .vbox file extension).
This opens up a new window, and the virtual machine which you selected will boot up. Every-
thing which would normally be seen on the virtual system’s monitor is shown in the window, as
can be seen with the image in chapter 1.2, Some terminology, page 11.
In general, you can use the virtual machine much like you would use a real computer. There
are couple of points worth mentioning however.
1.8.1 Starting a new VM for the first time
When a VM gets started for the first time, another wizard – the “First Start Wizard” – will
pop up to help you select an installation medium. Since the VM is created empty, it would
otherwise behave just like a real computer with no operating system installed: it will do nothing
and display an error message that no bootable operating system was found.
For this reason, the wizard helps you select a medium to install an operating system from.
• If you have physical CD or DVD media from which you want to install your guest operating
system (e.g. in the case of a Windows installation CD or DVD), put the media into your
host’s CD or DVD drive.
Then, in the wizard’s drop-down list of installation media, select “Host drive” with the
correct drive letter (or, in the case of a Linux host, device file). This will allow your VM to
access the media in your host drive, and you can proceed to install from there.
• If you have downloaded installation media from the Internet in the form of an ISO image
file (most probably in the case of a Linux distribution), you would normally burn this file
to an empty CD or DVD and proceed as just described. With VirtualBox however, you can
skip this step and mount the ISO file directly. VirtualBox will then present this file as a CD
or DVD-ROM drive to the virtual machine, much like it does with virtual hard disk images.
For this case, the wizard’s drop-down list contains a list of installation media that were
previously used with VirtualBox.
If your medium is not in the list (especially if you are using VirtualBox for the first time),
select the small folder icon next to the drop-down list to bring up a standard file dialog,
with which you can pick the image file on your host disks.
In both cases, after making the choices in the wizard, you will be able to install your operating
system.
1.8.2 Capturing and releasing keyboard and mouse
As of version 3.2, VirtualBox provides a virtual USB tablet device to new virtual machines through
which mouse events are communicated to the guest operating system. As a result, if you are
running a modern guest operating system that can handle such devices, mouse support may
work out of the box without the mouse being “captured” as described below; see chapter 3.4.1,
“Motherboard” tab, page 46 for more information.
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