Virtual machine is a very beautiful thing, but the majority computer users might be ignorant of it. How beautiful virtual machine is? Let me just say this right off the bat, virtual machine is there to piss off evil doers! It’s so beautiful that you can basically download computer viruses onto a virtual machine without the fear of these nasty things go around and infect a physical machine. Of course, with just about anything, if one is so inept in computer things, one might be able to allow the computer viruses and what not to infect the whole Intranet (LAN) network even one is using a virtual machine. Nonetheless, one has to be very inept to do so. For an example, allowing virtual machine to be on the same subnet with a physical machine without its own protection measures (i.e., antivirus, firewall and what not) — thus, showing just another door to the evil doers. The evil doers can use a compromised active virtual machine as a gateway for their Intranet (LAN) hacking activities. The beautiful thing is that if one is smart enough to secure a virtual machine, one basically has a hardened sandbox which can easily be used as a platform for browsing the dangerous web at will. Perhaps, even downloading computer viruses and what not for testing purposes such as testing to see the effectiveness of an antivirus program. Professional antivirus software reviewers are mostly using a hardened virtual machine to test to see how effective an antivirus program can be.
Virtual machine is beautiful since it’s allowing us to have a secure sandbox to play around. Of course, it’s a bit more complicated than just a secure sandbox, because a virtual machine can run just about all major operating systems. Furthermore, a virtual machine can be a quick testing ground for security software and what not. If a virtual machine user doesn’t like what he or she sees, he or she can simply go through few clicks to delete a virtual machine and make a new one. My suggestion for whoever that does browse the web dangerously is to install a virtual machine on a clean physical machine, install Linux such as Ubuntu, install firewall and ClamAV onto Ubuntu, harden up Ubuntu (virtual machine) as if it’s running on a real machine, and then browse the dangerous web.
Virtual machine is a strange beast, because it can do certain things exceptionally well and efficient, but it can be totally useless at times. For an example, playing games on a virtual machine is a no no. First of all, a virtual machine does not use a dedicated graphic card, because it’s emulating one. Even if a virtual machine environment allows a physical computer to share dedicated graphic resources, I doubt a virtual machine could really share dedicated graphic resources efficiently. Playing intensive graphic resource demanding games would be almost impossible. Nonetheless, if one uses a virtual machine for applications such as virtualizing a NAS (i.e., Network Attached Storage server), it can become very interesting. Imagining this further, how interesting it is for one to be able to clone a virtualized NAS easily, right? Virtual machine platforms such as VirtualBox is certainly carrying the option of allowing a computer user to clone a virtual machine through few clicks of a mouse.
In summary, virtual machine is very beautiful, but the degrees of beautifulness are scaling accordingly according to whoever is using it. One can simply use a virtual machine to test out how effective an antivirus software can be, but one can also use it to run a virtualized NAS. If one is horny, one can simply browse the dangerous pornographic websites with a virtual machine. Basically, virtual machine is quite useful and secure if one knows how to use it as a sandbox.