Hi, and welcome to the Deep dive into Network, assessments
by EC console. This is
section, 2, assessment methodology,
and toots.
In this video will take a look at the introduction of
the concepts of virtualization Technologies. So
that's divernon.
So what exactly is virtualization? Well, let's
imagine that you want to run multiple
systems or multiple operating
systems on your existing computer at the same time.
Well, the old time way you would
need to create a petition on your hard drive. However, when
you boot your system, only one
operating system could run at the time. However, we
can use the power of the
Technologies of virtualization to Simply virtualizer
Hardware components of a computer or
even within our silver. These Hardware components
will include your motherboard CPU, memory,
or RAM storage in.
Put on, hold with such as your USB ports,
even your network, interface
card, or network interface, cards and storage
such as whether you have a
hard drive or a solid state drive.
So imagine you are
able to place multiple operating systems with
a virtual environment and have
all of those virtual operating systems are running
at the same time when using bleach
realization. It's simply takes advantage of the
underutilized on use resources of
your system. Many persons will have a super awesome
Professor or even a lot of RAM on this Silver's
on desktop. However, those resources
will not be one hundred percent utilize all
the time. They would be a lot of underutilized resources.
So one of
the main advantages of using utilization, his ability
to support multiple servers, multiple desktops
aren't even multiple operating systems
on a single physical Hardware platform.
On this Hardware platform will contain
the essential Hardware components once more CPU
RAM storage.
I took in the face cards motherboard, even a
power supply unit on this is
done by using something known as a hypervisor.
So the hypervisor is pretty much
an application or it's a software program, which is
able to visualize the physical Hardware
components of a physical computer or a
physical silver, accretive virtualized environment. Once
A specialized environment has created, we
can simply install an operating system or not
by choice environment, when we install
an operating system with a non virtualized, environment. Operating
system is referred to as a gas
operating system. So the gas operating
system will not be able to tell whether
the Butcher, Boys. Environment is virtualize or
where it's actually installed on a real physical
device. That's a cool thing about the hypervisor literally
which Rises environment to
make a perfect environment to Rhonda
operating system. So imagine that
you are using a linux-based system. You can
simply install Windows as a virtual environment.
What if you are using a Mac and you want
to use it ever of Lennox? Well, this is possible by
using hypervisor likewise. If
you are running Windows and you want to install an overall,
the hypervisor virtualizer hardware
Auto components, dear for
making the gas operating system function test,
do it is running in a native operating environment
additional benefits of the
hypervisor includes creating a virtual Network. So
within a hypervisor of Leslie system,
you can creative between multiple
virtual operating systems or
virtual machines and machine network
adapter to the physical and that's
why I'm getting internet connectivity. That's pretty cool.
Actually there two types of hypervisor. There's
a type 1 hypervisor, which is commonly call
Aba metal hypervisor. And the
reason for that it's because
This type of hypervisor is installed directly on top
of the hard way. So you may be thinking, what
do you mean by install on top the hard way?
Well, you know, as usual. I will have an
operating system installed on a hard drive or solid state drive.
And once we hit the power button on a computer that's operating
system, not boots. Well in this
case, think of it as the type 1 hypervisor
is operating system. Once we hit the
power button, the type 1 hypervisor boots and
this simply allows us to install virtual
machines on this type 1 hypervisor.
The benefit about using a type 1
hypervisor, is each virtual machine has a
much more direct access to the hardware resources.
Some examples of a type 1 hypervisor includes
VMware, esxi, which
is free. You can also use proxmox, which
is also free on even xcp-ng, which
is also free as well. Keep in
mind as if you were going to use VMware, esxi.
Do you have very specific Hardware requirements to
ensure that specific hypervisor operates on a
particular device? If it don't, then you can use orders.
In this diagram, we can
see that there's a hardware components are
the bottom, which is the CPU, the round network
interface cards to storage, and someone
on the hypervisor is installed on
top of the hardware on top of the hypervisor
multiple virtual machines where you
can install Linux or Windows or even know
the type of operating system at each of
these operating systems, a self-contained isolated environment.
So imagine. This
is one physical silver. Are you perhaps has
five virtual machines running at the same time. How
cool is that?
Another type of hypervisor is a
type 2 hypervisor. The type to hypervisor is
simply a software application, which runs
on top of your existing who's operating system, the
who's operating system is operating system
is currently running on your computer. So to
put simply the type to hypervisor installed on
top of the existing operating system. So this
means that if you have a laptop
and you install the type to hypervisor, let's do
you install virtual machines on the type of hypervisor. You can
carry a lot of the school at work or anywhere
on your virtual machines.
Goes with you. Some examples
of a type 2. Hypervisor includes VMware.
Workstation Pro, which is a commercial product is
also VMI player. There's a
free version of it. I want the most popular one is
Oracle virtualbox, which is commonly free as shown
in this diagram. Is it time to hypervisor deployment
model? There's a hardware store
which is the CPU thuram to
network interface card even storage operating
system, which
could let CB. When do stand, it could even be
mad or even locks. Then we'll install
hyper virus on top of your existing operating system and
then we'll put the virtual machines.
The disadvantage of using a type 2 hypervisor is stopped
the who's operating system uses
some of the computing power and what's
left is made available to your hypervisor.
When will King in the virtualization environment you come
across it to me? You want us to be M Spruill? So what
exactly is VNS parole to put simply? This
is when you have many virtual machines running on
the same time, but isn't sure which virtual machine is
running. Its specific application. This means
that if you have to remove or disable a virtual machine,
with all the noise of the application, they
can simply disrupt his services and additionally
to to prevent VM sprawling and
show you document. Purpose of each row machine
to keep proper records on accountability.
Imagine having ten or
even twenty bucks or machines running within your organization.
Ariana to show which one machine is
providing food and service, or a rule or
a function for your company. I if you delete a virtual
machine without knowing what it's providing specific rule,
what is a critical rule? Then you can definitely disrupt
Services. There's something
known as vmsc protection. Creative
sewing machine. Each virtual
machine is within its own isolated environment.
This typically, no way for an application to
be able to access to resources outside of
a virtual machine. Unless it is explicitly, granted,
some time at soccer is able to
perform. So I called VMS. Keep this is where ataka
is able to break out of a boot for machine and
compromise on a virtual machines on
the same system. I even though he was operating system.
TF Voice, very important to ensure virtual machines
Honda hypervisors, always up-to-date
to prevent VM escaped sometime. You
mean need to virtualize an application Ramadan. Virtualize
anti operating system. You can
use containerization containerization, simply allows
you to virtualize an application
without having to deploy it with my Gucci on machine.
This simply uses the resources for application,
only as compared to ruining an
entire loot row machine. A really good example of
containerization Technologies. It's called Dakka
Dakka allows you to run boot rice
applications where it's on Windows Lennox or
even another operating system without having
the need to create a whole entire Village will machine just
run one application.
How to get an idea about virtualization, this
is virtual locks. And as you
can see, I have a number of, which all machines currently, my
who's operating system is Windows. However, I
could run locks. So if I click Start in
a few seconds, my last virtual machine
is going to be powered on. And while
this is running, let me start a fight so
I can Paul on,
let's see this machine here. Let's say, this
is my voice. Will Siri follow this one, and that
surround us and headless State, simply means
that we are running this in a back room, but it would
show machine is currently being executed.
So right now or my Carly machine, I
have my login prompt. Let me just login.
And here we go. I was in my virtual machine. I'm
still using my car and computers normal. If
I open a web browser. I should be
able to have full internet connectivity. Once I set up and working
correctly. We go. There is
Google. So, I have full internet connectivity. One
is which one machine so probably wondering, how
is that possible? So, let me shut down switch
on machine. Let's take a look at it once.
And I'm also going to shut
down this other virtual machine as well, which is a vulnerable.
Which is a vulnerable.
Windows Server, 2008 system.
So let's take a look at the settings on the
car, dealer switch on machine. If I click on settings.
Kia. I can see on the system. I
got just a boot order like a real computer. I
could have just a base memory, which is a romelu key
to this virtual machine.
I got assigned a number CPUs.
To the Sweet row machine. I can even adjust the
display memory. The storage such
as a virtual have is an even connecting.
And I will eventually ID device.
I can adjust the audio controller and
he is a networking aspect. Currently. There's
a tooth up to 4 network adapters. I
can see like Bridge mood, I slept in bridge mode. I could
connect it to my Wi-Fi adapter. So there's
a VPN adapter. Does my
physical eat at after and there's even my
Wi-Fi adapter on witness virtual
environment. I connected a secondary adapter with
her isolated private Network,
which is called in to do that. With the name of
it is called Panthers net. I can even
connect cereal devices such as
I can and evil to see report and set. What's
your phone number? Should I be using to connect us with
a device?
I can even add on USB device,
create shared folders between my
horse operating system and even my virtual
device and the cool thing is so nice,
virtual machines, does not affect my horse
operating system, which is pretty cool. Actually. However, keep
in mind of the machines that you install on
your advisor.
It is going to take up some storage on
your hardest soil, solid state drive to get
over them over. Sean machines, powered on our same time.
It is going to be using some of the round, some of your
CPU, utilization of the existing system.
In this video, we took a look at discovering
the concepts of virtualization and have explored
the benefits of using virtualization Technologies in
the next with you to take a
look at on the stalling, the fundamentals of Performing information
gathering our reconnaissance. I hope
this video has been at 4 to see you and I'll see you
in the next one.