Tech Mahindra Senior Devops Engineer Interview Questions, Process, and Tips for Experienced

Q1. Jenkins ci-cd meaning
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Q2. Grep and egrep in linux
Ans. 
grep and egrep are command line tools used for searching text patterns in files in Linux.
• grep is a basic command line tool for searching text patterns in files.

• egrep is an extended version of grep with support for regular expressions.

• grep is case-sensitive by default, use -i flag for case-insensitive search.

• egrep supports extended regular expressions without escaping special characters.

• Example: grep 'pattern' file.txt

• E
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Q3. How to print forth coloumn
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Use awk command to print the fourth column of a file
• Use awk command with '{print $4}' to print the fourth column of a file

• Example: awk '{print $4}' file.txt
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Q1. What is your job role.
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As a Sr Devops Engineer, my job role involves managing and improving the infrastructure, deployment pipelines, and automation processes to support development teams.
• Managing and maintaining infrastructure using tools like Terraform, Ansible, or Kubernetes

• Designing and implementing CI/CD pipelines for automated testing and deployment

• Monitoring system performance and troubleshooting issues

• Collaborating with development t...read more
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Q2. My company migrate on- premises server to aws rds what points to remeber during this migration.
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Q1. Jenkins CI-CD Pipelines how to declare that and how to integrate which plung'ins to integrated with jenkins actually plung'ins name.
Ans. 
Jenkins CI-CD pipelines are declared using Jenkinsfile and can be integrated with various plugins for additional functionality.
• Declare Jenkins CI-CD pipelines using Jenkinsfile in the root directory of the project.

• Integrate plugins like Git, Docker, Slack, SonarQube, etc., for specific functionalities.

• Use declarative syntax or scripted syntax in Jenkinsfile based on requirements.

• Configure stages, steps, post actions, a...read more
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Q2. Write terra form to create multipal EC2 instances.
Ans. 
Use Terraform to create multiple EC2 instances
• Use Terraform's EC2 instance resource to define the instances

• Specify the number of instances using count parameter

• Use a for_each loop to create multiple instances with unique names and configurations
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Q3. Write to playbook for spinup to Tom cat server.
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Playbook for spinning up a Tomcat server
• Install Java on the server

• Download and extract Tomcat

• Configure Tomcat server.xml file

• Start the Tomcat server

• Verify Tomcat is running
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