Aws Cloud9 Interview Questions

1. How can I begin using AWS Cloud9?

To begin using AWS Cloud9, you will need to first sign up for an AWS account. If you do not already have an AWS account, you can sign up for one at the following link: https://aws.amazon.com/

Once you have signed up for an AWS account, you can then access AWS Cloud9 by signing in to the AWS Management Console and navigating to the Cloud9 service page. From there, you can create a new Cloud9 environment, which is a virtual development environment that you can use to write, run, and debug code. You can then use the integrated development environment (IDE) provided by Cloud9 to write, edit, and debug your code.

AWS Cloud9 also provides a number of features to help you develop and test your code, including support for a wide range of programming languages, integration with other AWS services, and the ability to collaborate with other developers in real time.

2. Who should utilise Amazon Web Services Cloud9?

AWS Cloud9 is available to everyone who writes code. Cloud9 provides instant access to a fully configured development environment in their browsers with preloaded runtimes, package managers, and debugging tools for those developing apps in Node.js (JavaScript), Python, PHP, Ruby, Go, and C++. Cloud9 allows you to access your work environment from any internet-connected computer, removing the need for a dedicated development machine.

AWS Cloud9 provides convenient access to their AWS resources via a preset AWS Command Line Interface (AWS CLI), ready to perform commands against AWS services, for AWS developers and those assessing new AWS services. Cloud9 has built-in tools for creating, editing, running, debugging, and deploying Lambda functions for those developing serverless apps on AWS Lambda using Node.js or Python.

3. What kinds of AWS Cloud9 development environments are there?

AWS Cloud9 provides a variety of development environments to support different types of development needs. Here are a few examples of the different types of development environments that are available in AWS Cloud9:

1. Amazon Elastic Compute Cloud (Amazon EC2) environments: These environments provide a fully-managed, cloud-based development environment that is hosted on an Amazon EC2 instance. Amazon EC2 environments are suitable for a wide range of development tasks, including building and debugging applications, testing code, and running scripts.
2. Remote development environments: These environments allow you to access a remote development environment over SSH or Remote Desktop Protocol (RDP). Remote development environments are useful for accessing a development environment that is hosted on-premises or in a different cloud environment.
3. Local development environments: These environments allow you to run AWS Cloud9 on your local machine, using a tool such as Docker. Local development environments are useful for developing code offline or for testing code in an environment that is similar to your production environment.
4. Virtual private cloud (VPC) development environments: These environments allow you to create an AWS Cloud9 environment within your own Amazon VPC, allowing you to develop and test code in a more secure and isolated environment.

Overall, AWS Cloud9 provides a variety of development environments to support different types of development needs. You can choose the type of environment that best meets your requirements, depending on your development goals and the resources and tools you need to get the job done.

4. What is AWS Cloud9, exactly?

Amazon Web Services (AWS) Cloud9 is a cloud-based integrated development environment (IDE) that enables developers to write, run, and debug code from a web browser. It provides a code editor, debugger, and terminal, as well as a host of other features such as code completion and collaboration tools.

AWS Cloud9 supports a wide range of programming languages, including JavaScript, Python, PHP, Ruby, and Go, and it can be used to develop applications for various platforms, including Amazon Elastic Compute Cloud (Amazon EC2), AWS Lambda, and more.

One of the key benefits of using AWS Cloud9 is that it allows developers to easily set up and configure a development environment in the cloud, without the need to install and maintain software locally. This can be particularly useful for teams that work remotely or need to quickly spin up and tear down development environments.

AWS Cloud9 is also fully integrated with other AWS services, such as Amazon S3, Amazon EC2, and AWS Lambda, allowing developers to easily build and deploy applications on the AWS platform.

5. How can I execute my code?

There are a few different ways to execute code in AWS Cloud9:

1. Using the code editor: You can execute code directly from the code editor by highlighting the code you want to run and then either pressing the “Run” button or using the keyboard shortcut (Shift + Enter).
2. Using the terminal: You can also execute code from the terminal by navigating to the directory where your code is located and running it with the appropriate command. For example, to run a Python script, you could use the command python script.py.
3. Using the debugger: AWS Cloud9 includes a debugger that allows you to set breakpoints, step through code, and inspect variables. You can start the debugger by clicking the “Debug” button in the toolbar or using the keyboard shortcut (F5).
4. Using AWS Lambda: If you are developing an application that will be deployed to AWS Lambda, you can test your code by creating a test event and invoking the Lambda function from the AWS Management Console or the AWS Command Line Interface (CLI).
5. Using AWS CodePipeline: If you are using AWS CodePipeline to automate your build and deployment process, you can configure your pipeline to execute your code as part of the deployment process.

No matter which method you choose, it’s important to make sure that you have the necessary dependencies installed and that your code is properly configured to run in the environment.

6. How much does AWS Cloud9 cost?

AWS Cloud9 is a pay-as-you-go service, which means that you only pay for what you use. There are no upfront costs or long-term commitments required.

The cost of using AWS Cloud9 depends on a number of factors, including the type and number of instances you use, the amount of storage you need, and the number of requests and data transfer you use.

In general, the cost of using AWS Cloud9 will be based on the following factors:

1. Instance usage: AWS Cloud9 uses Amazon Elastic Compute Cloud (Amazon EC2) instances to host development environments. The cost of using these instances is based on the type and number of instances you use, as well as the duration of use.
2. Storage: AWS Cloud9 stores your development environment data and files in Amazon Simple Storage Service (Amazon S3). The cost of storing data in Amazon S3 is based on the amount of data you store and the number of requests you make.
3. Data transfer: The cost of data transfer depends on the amount of data you transfer in and out of AWS Cloud9.

You can use the AWS Pricing Calculator to estimate the cost of using AWS Cloud9 for your specific needs. This tool allows you to specify the resources you need and provides an estimate of the costs based on current pricing.

7. What is the best way to use AWS Cloud9 with AWS CodeStar?

AWS CodeStar is a cloud-based service that makes it easy to develop, build, and deploy applications on AWS. AWS Cloud9 is a cloud-based integrated development environment (IDE) that enables developers to write, run, and debug code from a web browser.

The best way to use AWS Cloud9 with AWS CodeStar will depend on your specific needs and workflow. Here are a few options for integrating the two services:

1. Use AWS Cloud9 as the primary IDE for your AWS CodeStar project: You can use AWS Cloud9 to edit, debug, and run your code for an AWS CodeStar project. To do this, you will need to create an AWS Cloud9 environment and then connect it to your AWS CodeStar project. From there, you can use the AWS Cloud9 code editor and debugger to develop your application, and you can use the AWS Cloud9 terminal to run commands and interact with other AWS services.
2. Use AWS Cloud9 to troubleshoot issues in an AWS CodeStar project: If you are experiencing issues with your AWS CodeStar project, you can use AWS Cloud9 to troubleshoot the problem. To do this, you will need to create an AWS Cloud9 environment and then clone the code for your AWS CodeStar project into the environment. You can then use the AWS Cloud9 code editor, debugger, and terminal to explore the code and identify any issues.
3. Use AWS Cloud9 to customize the build and deployment process for an AWS CodeStar project: If you need to customize the build and deployment process for your AWS CodeStar project, you can use AWS Cloud9 to modify the build and deployment scripts. To do this, you will need to create an AWS Cloud9 environment and then clone the code for your AWS CodeStar project into the environment. You can then use the AWS Cloud9 code editor to modify the scripts as needed, and you can use the terminal to test and debug the changes.

Overall, AWS Cloud9 can be a useful tool for developing, debugging, and troubleshooting applications that are built with AWS CodeStar. It provides a convenient, cloud-based environment for working with code, and it is fully integrated with other AWS services, making it easy to build and deploy applications on the AWS platform.

8. What resources does AWS Cloud9 create for Amazon EC2 environments?

AWS Cloud9 creates the needed computation and storage resources in your AWS account when you create an Amazon EC2 environment. An Amazon EC2 instance, an Amazon Elastic Block Store (EBS) volume of 8 GB, an Amazon EC2 security group, and an AWS CloudFormation stack are among the resources. These resources are accessible through the different AWS service consoles. Cloud9 automatically deletes these resources when you erase your environment.

9. What is the location of my code on AWS Cloud9?

In AWS Cloud9, your code is stored in an Amazon Elastic Compute Cloud (Amazon EC2) instance that is created when you create an AWS Cloud9 development environment. This instance is referred to as the “environment” in AWS Cloud9.

The environment is a fully-managed, cloud-based development environment that provides all the tools and resources you need to develop applications, including a code editor, debugger, terminal, and a host of other features.

The code you write in AWS Cloud9 is stored in the environment’s file system, which is accessible through the code editor, terminal, and other tools. You can use the AWS Cloud9 code editor to create, edit, and delete files and directories, and you can use the terminal to navigate the file system and run commands.

The environment is ephemeral, meaning that it is created when you create an AWS Cloud9 development environment and deleted when you delete the environment. However, you can choose to save your code and other files to a more durable storage location, such as Amazon Simple Storage Service (Amazon S3), by using the AWS Cloud9 terminal or the AWS Command Line Interface (CLI).

10. How can I use AWS Cloud9 to construct Serverless Applications for AWS Lambda?

The AWS Resources panel in the IDE contains the built-in tools for AWS Lambda. These utilities can be used to import or generate Lambda functions in Node.js and Python. These routines can be quickly launched, previewed, debugged, and deployed right from the IDE. The AWS Serverless Application Model (AWS SAM) framework is also supported by AWS Cloud9. You may now handle many Lambda functions and serverless resources in your application with ease. If you used AWS CodeStar to provide your project, any changes you make to it will be built and sent to Lambda using git push.

Aws Cloud9 Interview Questions

11. Is it possible to modify the instance type of an Amazon EC2 environment that already exists?

Yes, it is possible to modify the instance type of an Amazon Elastic Compute Cloud (Amazon EC2) environment that already exists in AWS Cloud9.

To modify the instance type of an Amazon EC2 environment in AWS Cloud9, follow these steps:

1. Open the AWS Cloud9 console and navigate to the “Environments” page.
2. Select the environment you want to modify.
3. Click the “Actions” dropdown menu and select “Change instance type”.
4. In the “Change instance type” dialog box, select the new instance type you want to use from the dropdown menu.
5. Click “Save” to apply the change.

Note that changing the instance type of an Amazon EC2 environment in AWS Cloud9 will cause the environment to be restarted, which may cause some disruption to your development workflow. It’s a good idea to save any unsaved changes and close any open files before changing the instance type.

It’s also worth noting that the cost of using an Amazon EC2 environment in AWS Cloud9 is based on the instance type you choose. Changing the instance type may affect the cost of using the environment. You can use the AWS Pricing Calculator to estimate the cost of using different instance types.

12. Can I use AWS Cloud9 to test my AWS Lambda functions locally?

Yes, it is possible to use AWS Cloud9 to test your AWS Lambda functions locally. AWS Cloud9 provides a number of tools and features that make it easy to develop and test Lambda functions, including a code editor, debugger, and terminal, as well as integration with other AWS services such as Amazon Simple Storage Service (Amazon S3) and Amazon DynamoDB.

To test your Lambda functions locally in AWS Cloud9, follow these steps:

1. Create an AWS Cloud9 development environment.
2. Install the AWS SAM CLI (Serverless Application Model Command Line Interface) by running the following command in the terminal:

pip install aws-sam-cli

3. Clone the code for your Lambda function into the AWS Cloud9 environment.
4. Use the AWS Cloud9 code editor to modify and debug your code as needed.
5. Use the AWS SAM CLI to test your function locally. For example, you can use the following command to invoke your function and pass in a test event:

sam local invoke FunctionName --event event.json

6. Use the AWS Cloud9 debugger to set breakpoints and step through your code to identify any issues.

Overall, AWS Cloud9 can be a useful tool for developing and testing Lambda functions locally. It provides a convenient, cloud-based environment for working with code, and it is fully integrated with other AWS services, making it easy to build and deploy applications on the AWS platform.

13. What are the AWS Cloud9 supported Programming Languages?

AWS Cloud9 is a cloud-based integrated development environment (IDE) that supports a wide range of programming languages, including:

1. JavaScript
2. Python
3. PHP
4. Ruby
5. Go
6. C++
7. C#
8. Java
9. TypeScript
10. Swift
11. Kotlin

AWS Cloud9 includes code editors, debuggers, and other tools for each of these languages, making it easy for developers to write, run, and debug code in their preferred language.

In addition to these languages, AWS Cloud9 also supports a variety of frameworks and libraries, including popular web frameworks such as React, Angular, and Vue.js, as well as tools for working with databases and other services.

Overall, AWS Cloud9 is a flexible and powerful tool that can be used to develop a wide range of applications and services, regardless of the programming language or framework you choose.

14. How do I make changes to my AWS Cloud9 Code?

To make changes to your code in AWS Cloud9, follow these steps:

1. Open the AWS Cloud9 console and navigate to the “Environments” page.
2. Select the environment that contains the code you want to modify.
3. Click the “Open IDE” button to launch the AWS Cloud9 code editor.
4. In the code editor, navigate to the file you want to modify.
5. Make the desired changes to the code.
6. Save your changes by clicking the “Save” button or using the keyboard shortcut (Ctrl + S).

That’s all there is to it! You can make as many changes to your code as you like, and you can use the code editor’s features, such as syntax highlighting and code completion, to help you write and debug your code.

It’s worth noting that AWS Cloud9 saves your changes automatically, so you don’t need to worry about losing your work if you close the code editor or switch to a different file. However, it’s always a good idea to save your changes regularly to ensure that you don’t lose any unsaved work.

15. Is AWS Cloud9 capable of managing resources developed in Amazon EC2 environments?

Yes, AWS Cloud9 is capable of managing resources developed in Amazon Elastic Compute Cloud (Amazon EC2) environments. AWS Cloud9 provides a number of tools and features that make it easy to develop and manage resources in Amazon EC2, including a code editor, debugger, and terminal, as well as integration with other AWS services such as Amazon Simple Storage Service (Amazon S3) and Amazon DynamoDB.

To manage resources in an Amazon EC2 environment using AWS Cloud9, you can use the AWS Cloud9 code editor to write and modify code that creates and manages resources in Amazon EC2. You can also use the AWS Cloud9 terminal to run commands and scripts that interact with Amazon EC2 and other AWS services.

For example, you can use AWS Cloud9 to write and deploy an Amazon EC2 Auto Scaling group, or you can use it to write and run scripts that automate tasks such as starting and stopping instances or modifying instance metadata.

Overall, AWS Cloud9 is a powerful and flexible tool that can be used to develop and manage resources in Amazon EC2 environments. It provides a convenient, cloud-based environment for working with code and interacting with AWS services, and it is fully integrated with other AWS tools and services, making it easy to build and deploy applications on the AWS platform.

16. How do I access AWS services from AWS Cloud9?

AWS Cloud9 is a cloud-based integrated development environment (IDE) that provides a number of tools and features for accessing AWS services, including a code editor, debugger, and terminal.

To access AWS services from AWS Cloud9, you will need to have an AWS account and have the appropriate permissions to access the services you want to use.

Here are a few ways you can access AWS services from AWS Cloud9:

1. Use the AWS Management Console: You can access the AWS Management Console from within AWS Cloud9 by clicking the “AWS Management Console” button in the toolbar. This will open the console in a new browser tab, allowing you to manage your AWS resources and services.
2. Use the AWS Command Line Interface (CLI): You can use the AWS CLI to access AWS services from the AWS Cloud9 terminal. To use the CLI, you will need to install it by running the following command:

pip install awscli

Once the CLI is installed, you can use it to run commands and scripts that interact with AWS services. For example, you can use the following command to list the Amazon S3 buckets in your account:

aws s3 ls

3. Use the AWS SDKs: You can use the AWS SDKs to access AWS services from within your code. To use an AWS SDK, you will need to install it using a package manager such as pip or npm. For example, to install the AWS SDK for Python, you can run the following command:

pip install boto3

Once an SDK is installed, you can use it to write code that interacts with AWS services. For example, you can use the following code to list the Amazon S3 buckets in your account using the AWS SDK for Python:

import boto3

s3 = boto3.client('s3')
response = s3.list_buckets()

print(response)

Overall, there are many ways to access AWS services from AWS Cloud9, depending on your needs and preferences. You can use the tools and features provided by AWS Cloud9, such as the AWS Management Console, the AWS CLI, and the AWS SDKs, to interact with AWS services and manage your resources.

17. In AWS Cloud9 environments, are my Amazon EC2 instances always active?

No. For Amazon EC2 instances created with AWS Cloud9, the default auto-hibernation option is 30 minutes. Your EC2 instances will automatically halt 30 minutes after you close the IDE and resume only when you reopen it with this option. As a result, EC2 instance charges are often only incurred when you are actively working. When your instance needs to be restarted, you lose any open terminal sessions in the IDE and may have to wait a bit to open it. You can modify the auto-hibernation setting and even choose to keep your EC2 instance “always on” depending on your use case.

18. On AWS Cloud9 EC2 setups, what tools and packages are preinstalled?

AWS Cloud9 provides a fully-managed, cloud-based development environment that includes a wide range of tools and packages to support a variety of programming languages and frameworks.

Here are some of the tools and packages that are preinstalled on AWS Cloud9 EC2 environments:

1. Code editor: AWS Cloud9 includes a code editor that provides features such as syntax highlighting, code completion, and debugging tools.
2. Debugger: AWS Cloud9 includes a debugger that allows you to set breakpoints, step through code, and inspect variables.
3. Terminal: AWS Cloud9 includes a terminal that allows you to run commands and interact with the environment’s file system and other tools.
4. Package managers: AWS Cloud9 includes package managers such as pip (Python), npm (JavaScript), and gem (Ruby) to help you install and manage libraries and dependencies.
5. Programming languages: AWS Cloud9 supports a wide range of programming languages, including JavaScript, Python, PHP, Ruby, and Go. The appropriate language runtime is preinstalled for each supported language.
6. Frameworks and libraries: AWS Cloud9 includes support for a variety of frameworks and libraries, such as React, Angular, and Vue.js for JavaScript, as well as tools for working with databases and other services.

Overall, AWS Cloud9 provides a rich set of tools and packages to support a wide range of development needs. It is designed to be a flexible and powerful development platform that can be used to build and deploy a wide range of applications and services.

19. What is the best way to share my AWS Cloud9 installation with others?

AWS Cloud9 is a cloud-based integrated development environment (IDE) that allows you to develop, build, and debug code from a web browser. It provides a number of tools and features that make it easy to collaborate with other developers, including code sharing and real-time collaboration.

Here are a few ways you can share your AWS Cloud9 installation with others:

1. Share an environment: You can share an AWS Cloud9 environment with other users by granting them access to the environment. To do this, follow these steps:

• Open the AWS Cloud9 console and navigate to the “Environments” page.
• Select the environment you want to share.
• Click the “Actions” dropdown menu and select “Share”.
• In the “Share environment” dialog box, enter the email addresses of the users you want to share the environment with.
• Click “Send invitation” to share the environment.

Users who have been invited to share an environment will be able to access the environment from the AWS Cloud9 console and work on the code together in real-time.

2. Share a Git repository: You can share a Git repository that is connected to an AWS Cloud9 environment with other users. To do this, you will need to add the users as collaborators to the repository. The users will then be able to clone the repository and work on the code from their own AWS Cloud9

20. What are the AWS Cloud9 steps for connecting to Source Control Management Systems?

AWS Cloud9 is a cloud-based integrated development environment (IDE) that provides tools and features for connecting to source control management systems (SCMs) such as Git and GitHub.

To connect to an SCM from AWS Cloud9, follow these steps:

1. Open the AWS Cloud9 console and navigate to the “Environments” page.
2. Select the environment you want to connect to the SCM.
3. Click the “Actions” dropdown menu and select “Connect to a source control provider”.
4. In the “Connect to a source control provider” dialog box, select the SCM you want to connect to (e.g. Git or GitHub).
5. Follow the prompts to authorize AWS Cloud9 to access your SCM account and select the repository you want to connect to.
6. Click “Connect” to establish the connection.

Once you have connected an AWS Cloud9 environment to an SCM, you can use the code editor and other tools in AWS Cloud9 to work with the code in the repository. You can also use the AWS Cloud9 terminal to run Git commands and interact with the repository.

Overall, connecting to an SCM from AWS Cloud9 is a straightforward process that allows you to manage your code and collaborate with other developers using familiar tools and processes.