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Asla DevOps notes ela prepare avite interviews lo help avtadi    • Get Free DevOps Notes that helped me to cr...  

DevOps interview lo success avvadaniki notes ni smart ga prepare cheyyali — not just copy-paste, but understanding + hands-on + shortcuts to revise quickly. Below is a practical strategy to prepare effective DevOps notes that help in interviews:

1. Core Topics to Cover (Notes Outline)

Linux & Shell Scripting

Basic commands: ls, grep, awk, sed, find, chmod, etc.

Networking: netstat, ss, curl, ping, scp, etc.

Scripting: if, for, while, functions, argument handling



Docker

Basic commands: docker run, docker ps, docker build, docker-compose

Dockerfile syntax

Volumes, Networks, Images, Containers

Real-world examples



Kubernetes

YAML structure

Pods, Deployments, Services

ConfigMaps, Secrets, Ingress

kubectl commands

Real-time debugging examples (kubectl logs, exec, describe)



CI/CD Tools (Jenkins/GitHub Actions)

Jenkins pipelines syntax (Declarative + Scripted)

Stages: build → test → deploy

GitHub Actions: .yml files, jobs, steps, environment variables



Source Control (Git)

Branching strategy

git stash, rebase, cherry-pick, diff, log, bisect

Merge conflicts and solutions



Infrastructure as Code (Terraform/Ansible)

Terraform: Providers, Resources, Variables, Outputs, terraform apply/plan

Ansible: Playbook syntax, roles, inventory, handlers, ansible-playbook



Monitoring & Logging

Prometheus + Grafana basics

ELK stack (Elasticsearch, Logstash, Kibana)

journalctl, systemctl, top, htop usage



Cloud (AWS/Azure/GCP)

EC2, S3, IAM, VPC basics

CLI commands (aws configure, aws s3 cp, etc.)

Deployment scenarios



2. Notes Format Tips



Use These Note Formats:

Cheat Sheets for each topic (1-2 page summary)

Command-Use Mapping (e.g., docker run - real-world usage)

Interview Q&A after each topic

Mini Projects + What did you learn



3. Real-Time Practice Alongside Notes

Use platforms like Katacoda, Play with Docker, KodeKloud, or local VM

Write sample YAML, Terraform, Ansible playbooks

Try creating a Jenkins pipeline from scratch



4. Memory Boosters

Add mind maps for each topic

Create flashcards (e.g., Anki) for commands and concepts

Maintain a OneNote/Notion section-wise for easy search and quick revision



5. Revise Smartly Before Interviews

Prepare a "Last 1-Day DevOps Revision Note"

3 pages max

Only most important commands, flowcharts, & scenarios

Practice 2 mock interviews (peer or AI tools)


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