November 25, 2022

Top 20 AWS CloudShell Interview Questions and Answers

 


It is simpler to manage, examine, and interact with your AWS resources securely with the help of AWS CloudShell, a browser-based shell. Using the credentials from your console, CloudShell is already authenticated. There is no need to install or configure software on your local workstation because common development and operations tools are already installed. You may experiment with AWS service APIs using the AWS SDKs, run scripts fast with the AWS Command Line Interface (AWS CLI) using CloudShell, and use a variety of other tools to be more productive.

 

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Ques. 1): What is CloudShell capable of?

Answer:

With CloudShell, you can get started with the AWS CLI more quickly and interface with AWS services, automate activities, and manage infrastructure. Using CloudShell, you can clone script repositories that are often used, edit those scripts, and then save them for later use. You may create applications using AWS SDKs and manage your AWS resources using popular CLIs like the AWS Serverless Application Model (AWS SAM) CLI and Amazon Elastic Container Service (Amazon ECS) CLI. Your home directory's 1 GB of persistent storage is where you may save your work for free.

 

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Ques. 2): What distinguishes the AWS Cloud9 terminal from CloudShell?

Answer:

When using a Cloud9 environment, which needs an EC2 instance in your account, AWS Cloud9 is an integrated development environment (IDE) that grants users access to a terminal. You can use the standalone, all-purpose programme CloudShell to issue commands on AWS. You are charged for the EC2 instance that powers your Cloud9 environment when using Cloud9. CloudShell is free to use; you only pay for the AWS resources required to execute scripts and commands. You are charged for data transfer at industry-standard rates in both situations.

 

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Ques. 3): How can I get into CloudShell?

Answer:

From the AWS Management Console, you may access CloudShell. A CloudShell environment is opened in a new browser tab by clicking the shell symbol in the top navigation bar. Your console credentials are used by the new browser tab.


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Ques. 4): Can I restrict access to CloudShell throughout my organisation?

Answer:

Yes, you can limit a user's ability to start CloudShell using an AWS Identity and Access Management (IAM) policy. Additionally, a CloudShell session can only be started by users that have the Administrator or PowerUser status by default. Access to CloudShell can be set up by administrators for their company. The CloudShell icon will be present if you opt to restrict this functionality, but a CloudShell session won't begin. A notification informing your users that they lack access to CloudShell will be displayed.


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Ques. 5): How can I make my CloudShell environment my own?

Answer:

By downloading configuration files from a Git repository or uploading them to your CloudShell environment, you can personalise your environment. By clicking the settings icon and choosing your preferred theme and text size, you may alter how CloudShell looks. Your choice causes an immediate update of the shell. Software that is installed somewhere else than your home directory is not persistent across sessions.


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Ques. 6): How secure is CloudShell?

Answer:

Yes, users must enter into the AWS Management Console in order to access CloudShell, and once they do, they are only given the permissions specified by their login information. You have the same rights as if you installed, set up, and used the AWS CLI on your local machine using the same login information. Administrators of accounts can restrict access to CloudShell by creating the necessary IAM policies. AWS CloudTrail keeps track of CloudShell usage data, and API requests made from the shell are annotated to show that they originated from a particular user's CloudShell session.


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Ques. 7): How long will my data be stored by CloudShell?

Answer:

Files kept in your home directory ($HOME) in CloudShell environments will be preserved for up to 120 days after the last time you started a CloudShell session. This restriction is region-specific. If you use CloudShell in more than one Region, the timer for each Region starts when the last CloudShell session for that Region was closed. The timer will be reset if you use the same IAM principal to access CloudShell in the expired Region.


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Ques. 8): What’s pre-installed in CloudShell?

Answer:

Running on Amazon Linux 2, CloudShell includes runtimes and AWS SDKs for Python and Node.js in addition to the standard AWS command line interfaces (AWS CLI, Amazon ECS CLI, and AWS SAM CLI). Additional regularly used command-line tools for editors (vi), source control (Git), package management (npm, pip), and shells (Bash, PowerShell, Zsh) are also included.


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Ques. 9): My modifications to the CloudShell environment are they permanent?

Answer:

For each AWS Region, only modifications made in your home directory will endure across CloudShell sessions. In each supported AWS Region, you are allowed to keep up to 1 GB of files in your home directory. AWS Regions' storage is not synced.

 

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Ques. 10): Can I install my own software?

Answer:

In CloudShell, you can indeed install your own programme. You won't need to reinstall software if it is fully installed within your home directory because it will persist between sessions when using CloudShell. Any extra software you install is your responsibility to maintain.


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Ques. 11): What restrictions apply to CloudShell?

Answer:

1 GB of storage for your home directory is the maximum amount that will endure over all of your CloudShell sessions, per region. Changes made outside of your home directory are not saved when your session ends because CloudShell employs a temporary compute environment that restores data from your home directory when you connect to it. Long lasting processes are not the type of workloads that CloudShell is designed for. Consider using another AWS compute service to complete a lengthy task. After a time of inactive keyboard input, CloudShell will shut down automatically. Background processes are not considered to be active and can be terminated at any time. When your console session expires, your CloudShell connection will automatically detach from all open sessions.


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Ques. 12): How much does CloudShell cost?

Answer:

CloudShell is free of additional fees. Any additional AWS resources you use using CloudShell to build and maintain your applications are your responsibility to pay for. There are no minimum payments or up-front commitments; you simply pay for what you use as you use it. Standard AWS data transfer rates are used to charge for data transport.

 

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Ques. 13): Who may give permission to use CloudShell to others?

Answer:

CloudShell's access is controlled by IAM. Access to CloudShell can be granted by any user having IAM administrator privileges. If you decide to limit this option, the CloudShell icon will be present but no CloudShell session will launch; instead, your users will see a message informing them that they lack access to CloudShell.


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Ques. 14): Can I use the browser to upload and download files?

Answer:

Yes, you can use your browser to upload files from your local computer to the home directory of your CloudShell instance. Additionally, you can download files from your CloudShell environment to your local computer that are up to 1 GB in size.

 

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Ques. 15): How many shells can I have?

Answer:

One virtual machine is supported per user, per region, via CloudShell. Per virtual computer, users can run up to 10 concurrent sessions. Users can open shells from different Regions at once. Any IAM principal, including federated roles and AWS Single Sign-On, that can be used to sign in to the AWS Management Console is referred to as a user.

 

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Ques. 16): Is it possible to add more storage to CloudShell?

Answer:

No, you are unable to directly attach more storage to CloudShell. Using CloudShell, you can create and use an S3 bucket if you need to store more data than 1 GB.

 

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Ques. 17): How is Amazon EC2 Instance Connect distinct from CloudShell?

Answer:

You can use a terminal in the browser to connect to existing EC2 instances in your account thanks to Amazon EC2 Instance Connect. There are no resources in your account that CloudShell needs. While CloudShell is most useful for running AWS CLI commands and general purpose scripting, EC2 Instance Connect is most useful for connecting to active EC2 instances over SSH.

 

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Ques. 18): Can I remove the data I own from CloudShell?

Answer:

Yes. The files that are erased from CloudShell are gone forever. Utilize a different type of storage to backup the files.

 

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Ques. 19): Can anyone use CloudShell?

Answer:

Currently, a CloudShell session can only be started by users that have the Administrator or PowerUser role. A CloudShell session cannot be started by any other users without an administrator's approval.

 

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Ques. 20): How can I stop the deletion of my CloudShell storage?

Answer:

Open CloudShell in the expiry Region after logging into the AWS Management Console. The time associated with your storage in the specified Region will be reset by doing this.

 

 

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