Open a .vmdk file in VirtualBox

Let see here how to open a .vmdk file in VirtualBox.

First Open the VirtualBox application and click  "NEW" button to create new virtual machine.

Choose a descriptive name of the new virtual machine and  Select the type of operating system.
Then click "Next".

Select the amount of RAM memory and Click "Next".

This step you have to choose below things,
1. Choose "use an existing virtual hard disk file"
2.  Choose a virtual hard disk file

Choose a .vmdk file and click open.

Click "Create" button

Now you can see that your .vmdk file imported successfully on VirtualBox.

How to Install KVM on Centos 6.3 x86_64

KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization.You need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.


First You need to check if your CPU supports hardware virtualization using below command.

[root@localhost ~]# egrep '(vmx|svm)' --color=always /proc/cpuinfo

If nothing is displayed, then your processor doesn't support hardware virtualization, and you must stop here.

How to Install KVM

First we need to install EPEL repo.you can use this link


Then install the kvm, libvirt,  python-virtinst and qemu-kvm packages.

kvm --> The kvm package contains the KVM kernel module

libvirt ---> Libvirt is a API library for interacting with hypervisors.

python-virtinst --> Provides the virt-install command fro creating virtual machine.

virt-manager --> Provides a Graphical tool for administering virtual machine.


[root@localhost ~]#  yum  install  kvm  libvirt  python-virtinst  qemu-kvm virt-manager

After installation done start the libvirt daemon


[root@localhost ~]# /etc/init.d/libvirtd start

To check if KVM has successfully been installed

[root@localhost ~]# virsh list --all

 Id    Name                           State

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