7) AWS Access Keys, CLI and SDK- AWS Certified Solutions Architect Associate Course SAA-C02

BySai Charan Paloju

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7) AWS Access Keys, CLI and SDK- AWS Certified Solutions Architect Associate Course SAA-C02- Section 1-IAM & AWS CLI- So we have seen how to access AWS using the Management console, Which is the web interface that we’ve done so far in this course, but there are, actually three different options to access AWS.

How Can Users Can Access AWS- 

  • So the first one is a Management console,
  • as we’ve seen, and is protected by your username,
  • password, maybe multifactor authentication.
  • Then there is the CLI, Command Line Interface.
  • and this is something we will set up on our computer,
  • and this is protected by access keys,
  • and access keys our credentials we’re going to download.
  • in a few seconds that will allow us
  • to access AWS from our terminal.
  • Then, finally, there is the SDK,
  • the AWS Software Development Kit,
  • which is used whenever you want to call APIs from AWS.
  • from within your application code.
  • And again, these will be protected
  • by the exact same access keys.
  • so how do we generate access keys?
  • Well we will do this through the Management Console.
  • and users are responsible for their own access keys,
  • and access keys, from the user perspective,
  • they are secret, just like a password.
  • so if you generate your own access keys
  • do not share them with your colleagues,
  • because they can generate their own access keys as well.
  • So really make sure that you treat your access key ID
  • Just like a username
  • and your secret access key just like your password,
  • you do not share them with other people.

Example (Fake) Access Keys

  • So when you go into the Management console,
  • you get access key as there’s a button
  • to create access keys, and then it gives you the right
  • to download it in the very second.
  • And so, for example, here’s a fake access key ID- AKIASK4337PV4983d6C
  • And fake secret access key- AZPN3zojWCndljhB0Unh8239albzbzO5fqqkZq
  • and these, when loaded into my Command Line Interface,
  • would allow me to access the AWS API,
  • and we’ll do this in the hands-on in a second.
  • So again, remember, I want to make sure
  • that you dont have any security issues
  • while doing this course or at work,
  • do not share your access keys, they are private to you.

What’s THE AWS CLI ?

  • So if you’re new to the Cloud, and programming and so on,
  • or IT, then you might not know what’s a CLI.
  • So CLI stands for Command Line Interface.
  • and the AWS CLI is a tool that allows you to interact
  • with the AWS services using commands
  • from your command-line shell.
  • So whenever you see some code where you type a command line,
  • and then it returns a result, for example,
  • aws, s3, cp, and so on, this is what we call the CLI.
  • and we are using the AWS CLI
  • because we start every command by word AWS.
  • now with this CLI, you get direct access
  • to the the public APIs of your AWS services.
  • which is going to be very helpful in this course.
  • And, then, using the CLI you can develop scripts
  • to manage your resources and automate some of your tasks.
  • The CLI is open-source,
  • you can find all the source code on GitHub- https://github.com/aws/aws-cli
  • and it is an alternative to using
  • the AWS Management console.
  • I know that some people, actually,
  • do not even use the Management console,
  • they only use the CLI, for example.

What’s The AWS SDK ?

  • So what’s the SDK now?
  • SDK stands for Software Development Kit,
  • and this is a set of library,
  • this is going to be language specific.
  • so you’re going to have an SDK
  • for different programming languages.
  • and similarly, it will allow you to access and manage
  • your AWS services and API’S programmatically,
  • but this time the SDK is not something that you use
  • within your terminal, it is something that you embed
  • within your application that you have to code.
  • So your application will have the AWS SDK.
  • from within them.
  • IT supports many different programming languages,
  • such as JavaScript, Python, PHP, .NET,
  • Ruby, Java, Go, Node.js, C++,
  • all of that’s our programming languages.
  • There’s also the mobile SDK,
  • if you’re using Android or iOS,
  • and the IoT, so Internet of things devices SDK.
  • in case you’re using some thermal sensors.
  • or backlogs that are connected, all these kinds of things.
  • So to give you an example of what you can build
  • with SDK, well the AWS CLI that we’re going to be using
  • in this course is actually built
  • on the AWS SDK for Python names Boto.
  • So that’s it for this lecture.
  • Now in then the next lecture, we’re going to practice
  • setting up CLI dealing with access keys,
  • so i will see you in the next lecture.


By Sai Charan Paloju

Trained AWS Certified Solutions Architect Associate Course SAA-C02/Content Writer/Creator, Masters Degree- Software Engineering, Bachelors Degree- Computer Science & Engineering, Youtuber- Host/Interviewer/Content Creator/Video Editor, Podcaster- Host/Interviewer/Content Creator/Editor, Technical Writer, Social Media Manager/Influencer Ex-Professional Cricketer mailme@smartcherrysthoughts.com https://smartcherrysthoughts.com/

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