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Okay.

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So we are going to learn how

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to SSH into our EC2 Instance using Windows.

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And for this, we used to say, what is SSH?

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Well, SSH to me is one of the most important function,

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especially when you deal with Amazon cloud.

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It will basically allow you to control a machine remotely

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all using the command line.

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Okay.

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And so what does it look like?

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Well, basically we have our EC2 machine,

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and it's running Amazon Linux 2, and it has a public IP.

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And I don't know if you remember,

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but we had an SSH security group on it.

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And basically we allowed SSH on port 22 to any IP,

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which basically allows our Windows machine to connect

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over the internet directly into the machine

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and control it using the command line.

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So we'll see how to do the requirements for parameterizing

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basically our Windows.

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And so we'll use PuTTY to do SSH.

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So this is a free tool available online.

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And as you can see,

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it's a little bit tricky to use the first time,

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but we'll get used to it,

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and we'll learn how to SSH into Windows,

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into Linux using PuTTY.

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So let's get started.

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Okay.

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So we are going to SSH

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into our EC2 Instance and I'm running on Windows.

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And for this, I assume that you have Windows 7,

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or Windows 8, or an older version Window.

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If you have Windows 10,

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there is an alternative in the next lecture, both work.

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Okay.

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So let's try for, even if you're on Windows 10

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you can do this technique.

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So for this, you would go and download PuTTY.

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So PuTTY is a free SSH client for Windows.

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So download PuTTY.

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And then I will choose, for example,

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the 64 bits installer, the first one.

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Then I go ahead.

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I perform the install of PuTTY.

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So next, next, yes.

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And yes, I want to install PuTTY.

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Perfect.

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So PuTTY is installed.

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And I have to install PuTTY.

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So, we have two things here on PuTTY.

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We have the PuTTY app, as well as PuTTYgen.

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So let's first open PuTTYgen.

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And in case you did not download your file

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in the PPK format, you can actually generate the PPK format

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directly from here.

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So let me show you how it's done.

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So, I need to go ahead and load my file.

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So I click on load, and then find where my file is.

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So for me, it's on my desktop.

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And you can see, I see nothing,

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but if I go to the bottom right, and show all files

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I will find my EC2 tutorial in the PEM format.

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So I can select it.

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It says, okay, you have successfully imported this.

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And then you can save it as a private key.

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So click on save private key.

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And said you wanna have a pathways, you say,

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if you don't wanna have path, you say yes.

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And then you save it on your desktop.

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So EC2tutorial.PPK

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Now your file is saved

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and you have converted successfully

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a PEM file into the PPK format.

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If you have done this already, then you're good to go.

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Next, we need to set up PuTTY

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to access our EC2 Instance.

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So, this time you open the PuTTY app,

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and here we have to enter a host name

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or an IP address of where we are trying to connect.

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So this we know it's My First Instance.

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You copy the public IPv4 address.

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You paste it.

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And it's SSH.

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You're going to save this under EC2 Instance.

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And then you click on save, but we're not done just yet.

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Okay.

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We need to specify the key itself.

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So let's specify the key in here.

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So, you have it saved under EC2 Instance.

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I double clicked.

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So as you can see, I have to accept this.

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So if we accept because we trust the host,

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we say, yes, accept.

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But we still have the login as prompt and it will not work.

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So if I do, for example, EC2 user, it says okay,

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I cannot authenticate right now.

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So for this, we go back into PuTTY,

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and we're going to fix things.

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So click on EC2 Instance and load this profile.

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The first thing I'm going to add is in the host name.

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I have EC2 minus user at the IP.

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So the IP is where we access our server,

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and the EC2 user is a user already created for us

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on Amazon Linux 2.

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So I can click on save again.

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So we're done in here.

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This will be saved.

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And then for the key, we need to go into the SSH.

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You click the plus, you have the Auth,

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you click the plus, excuse me, no need to click the plus.

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So you just click on Auth,

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and then you need to find a private key file

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for authentication.

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Click on browse, go to your desktop.

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And then you find the EC2 tutorial, that PPK file,

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you have just generated using Puttygen.

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Or, if you had downloaded it already

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from the AWS console, that works as well.

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So this file is good.

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Don't click on open just yet, go back to session,

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and then click on save, to save this profile.

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This way you don't have to redo all these steps

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all at once, over again.

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So click on open.

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And now it says, okay, you're authenticating

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using the EC2 user.

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And we have this file we just opened.

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And so now we are into our Amazon Linux 2 AMI.

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So we have successfully performed the SSH using PuTTY.

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Okay.

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So if in the course I refer to SSH, just for you,

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just that means you should PuTTY into the Instance,

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at least once.

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And now what I can do, who am I?

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And you find that I am EC2 user.

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Or ping google.com and start running some commands.

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So to stop this,

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just do control C, and it will stop the command.

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And then if you want to just exit this,

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you can just close this, exit this session,

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and you're good to go.

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And let's check if you go back into PuTTY.

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So click back on PuTTY, and you load the EC2 Instance.

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Hopefully all you're seeing there is save.

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So as you can see, the top settings are saved,

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and my SSH Auth also has saved.

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And therefore, if I click on open, then yes,

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I have access directly into my EC2 Instance.

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So we've successfully performed SSH

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on this Windows 7 or Windows 8, through PuTTY.

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And I will see you in the next lecture

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in case you have Windows 10,

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to show you how to SSH using Windows.