What is the AWS CLI?
What is the AWS CLI?
3h 54m

This course provides detail on the AWS Management & Governance services relevant to the AWS Certified Developer - Associate exam.

Want more? Try a lab playground or do a Lab Challenge!

Learning Objectives

  • Learn how AWS AppConfig can reduce errors in configuration changes and prevent application downtime
  • Understand how the AWS Cloud Development Kit (CDK) can be used to model and provision application resources using common programming languages
  • Get a high-level understanding of Amazon CloudWatch
  • Learn about the features and use cases of the service
  • Create your own CloudWatch dashboard to monitor the items that are important to you
  • Understand how CloudWatch dashboards can be shared across accounts
  • Understand the cost structure of CloudWatch dashboards and the limitations of the service
  • Review how monitored metrics go into an ALARM state
  • Learn about the challenges of creating CloudWatch Alarms and the benefits of using machine learning in alarm management
  • Know how to create a CloudWatch Alarm using Anomaly Detection
  • Learn what types of metrics are suitable for use with Anomaly Detection
  • Create your own CloudWatch log subscription
  • Learn how AWS CloudTrail enables auditing and governance of your AWS account
  • Understand how Amazon CloudWatch Logs enables you to monitor and store your system, application, and custom log files
  • Explain what AWS CloudFormation is and what it’s used for
  • Determine the benefits of AWS CloudFormation
  • Understand what each of the core components are and what they are used for
  • Create a CloudFormation Stack using an existing AWS template
  • Learn what VPC flow logs are and what they are used for
  • Determine options for operating programmatically with AWS, including the AWS CLI, APIs, and SDKs
  • Learn about the capabilities of AWS Systems Manager for managing applications and infrastructure
  • Understand how AWS Secrets Manager can be used to securely encrypt application secrets

The AWS Console lets you create and manage resources in a very easy and simplistic format. However, eventually, you’ll find that certain operations can be performed more efficiently using the AWS Command Line Interface. For example, say you have tons of EC2 instances supporting a website and you need to run a report to list the Public IP addresses from each one of these servers. These IP addresses may change over time, so you’ve been asked to run the report daily. 

How do you do this? You could, of course, manually log into the console, and copy and paste the IP address for each server. Or, you can do this programmatically using the AWS CLI.  

Eventually, you’ll find that scripting out commands and creating bash scripts is more efficient for a lot of workloads in AWS - and provides a safer and less error-prone approach to working with AWS resources.

Whenever you create, edit, or delete a resource in the AWS Console, you’re making an API call to the services. You can make these same API calls using the AWS CLI. The difference is how you interface with the API. Instead of logging into the console, you’ll use a terminal program to access the AWS CLI. 

You can use a Linux shell, the built-in MAC terminal, an EC2 instance, or if you’re on a PC, you can use a program like PuTTy. 

In summary, the AWS CLI is a powerful tool that provides more flexibility to access and manage AWS resources. That’s it for this one - I’ll see you next time. 

About the Author
Learning Paths

Stuart has been working within the IT industry for two decades covering a huge range of topic areas and technologies, from data center and network infrastructure design, to cloud architecture and implementation.

To date, Stuart has created 150+ courses relating to Cloud reaching over 180,000 students, mostly within the AWS category and with a heavy focus on security and compliance.

Stuart is a member of the AWS Community Builders Program for his contributions towards AWS.

He is AWS certified and accredited in addition to being a published author covering topics across the AWS landscape.

In January 2016 Stuart was awarded ‘Expert of the Year Award 2015’ from Experts Exchange for his knowledge share within cloud services to the community.

Stuart enjoys writing about cloud technologies and you will find many of his articles within our blog pages.