Stuba Interview Questions and Answers

Create a Shell script to add 100 users on 5 different servers.

• Use a loop to create 100 users on each server.

• Utilize the 'useradd' command to add users.

• Ensure unique usernames for each user on each server.

• Consider using SSH for remote server access.

• Test the script on a single server before running on all servers.

Python scripting is a way to automate tasks using Python programming language.

• Python scripting allows for automating repetitive tasks by writing scripts in Python.

• It is commonly used for tasks like data processing, web scraping, and automation.

• Python scripts can be run from the command line or integrated into larger applications.

• Python's extensive standard library makes it easy to work with files, networks, and more.

Merge combines changes from different branches, while rebase moves the current branch to the tip of another branch.

• Merge creates a new commit with the combined changes of two branches.

• Rebase moves the current branch to the tip of another branch, replaying the commits on top of it.

• Merge preserves the commit history of both branches, while rebase creates a linear history.

• Merge is non-destructive and is preferred for preserving history, while rebase is useful for keeping a clean...read more

Auto scaling of EC2 instances involves setting up policies to automatically adjust the number of instances based on demand.

• Set up CloudWatch alarms to monitor metrics like CPU utilization or network traffic

• Create an Auto Scaling Group with desired minimum and maximum number of instances

• Define scaling policies to add or remove instances based on the alarms triggered

• Test the auto scaling by simulating load on the instances

Terraform is an open-source infrastructure as code software tool created by HashiCorp.

• Terraform allows users to define and provision infrastructure using a declarative configuration language.

• It supports multiple cloud providers such as AWS, Azure, and Google Cloud Platform.

• Terraform uses a 'plan and apply' workflow to make changes to infrastructure.

• It helps in automating the process of setting up and managing infrastructure.

• Terraform state file keeps track of the current stat...read more

Set up a ci/cd pipeline for automated software deployment

• Choose a CI/CD tool like Jenkins, GitLab CI, or CircleCI

• Define the stages of the pipeline (build, test, deploy)

• Integrate with version control system (e.g. GitHub, Bitbucket)

• Automate testing and code quality checks

• Configure notifications for pipeline status updates