Infosys Devops Interview Questions and Answers

To run cmd commands using python on windows, use the subprocess module.

• Import the subprocess module

• Use the subprocess.run() method to execute the command

• Pass the command as a list of strings to the run() method

• Use the shell=True argument to run the command in a shell environment

• Capture the output of the command using the stdout attribute of the returned CompletedProcess object

Deep copy creates a new object with a new memory address while shallow copy creates a new object with the same memory address as the original object.

• Deep copy creates a completely new object with a new memory address.

• Shallow copy creates a new object with the same memory address as the original object.

• In deep copy, changes made to the copied object do not affect the original object.

• In shallow copy, changes made to the ...read more

Namespace in Docker is a way to isolate resources and avoid naming conflicts.

• Namespaces provide a layer of isolation for containers

• Each namespace has its own set of resources

• Namespaces can be used for network, process, and mount isolation

• Example: docker run --name mycontainer --net=container:othercontainer myimage

Send email with attachment using PowerShell

• Use Send-MailMessage cmdlet

• Specify recipient, subject, body and attachment parameters

• Example: Send-MailMessage -To 'example@email.com' -Subject 'Test Email' -Body 'This is a test email' -Attachments 'C:\test.txt'

To install IIS using PowerShell, use the Install-WindowsFeature cmdlet.

• Open PowerShell as an administrator

• Run the command: Install-WindowsFeature -name Web-Server -IncludeManagementTools

• Press 'Y' to confirm installation

• Wait for the installation to complete

Setup microservice testing and deployment using Kubernetes, containers, Jenkins, and Cloud services.

• Create a Kubernetes cluster on a Cloud provider

• Build Docker containers for each microservice

• Create a Jenkins pipeline for testing and deployment

• Use Kubernetes to deploy and manage the containers

• Use Cloud services for load balancing, monitoring, and scaling

Integrating Maven with Jenkins

• Install Maven plugin in Jenkins

• Configure Maven installation in Jenkins global tool configuration

• Create a new Jenkins job and select Maven project

• Specify the path to the pom.xml file in the project configuration

• Configure build triggers and other settings as required

Git commands are used to manage version control of code repositories.

• git init - initialize a new repository

• git add - add changes to the staging area

• git commit - commit changes to the repository

• git push - push changes to a remote repository

• git pull - pull changes from a remote repository

• git clone - clone a remote repository

• git branch - create, list, or delete branches

• git merge - merge changes from one branch to another

• g...read more

Jenkins pipeline job is a way to define a series of steps to be executed in a specific order.

• Pipeline job is defined using a Jenkinsfile or a script in the Jenkins UI.

• It consists of stages, which are a collection of steps.

• Each step can be a shell command, a script, or a plugin.

• Pipeline job can be triggered manually or automatically based on events.

• It provides visibility into the entire build process and enables continu...read more