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Jane Contributor
Joined August 2026
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Articles by Jane
10 Linux Commands Every Fresher Should Know
The commands you'll type a hundred times a week. Master these ten and you'll look like a five-year veteran.
Kafka: Consumer lag keeps growing
Producers are outpacing consumers. Here's how to find and fix the bottleneck.
Kubernetes: Pod is Pending forever
Your pod never leaves Pending. Here's how to figure out why in under 3 minutes.
Terraform: state lock error (already locked by another process)
Fix the classic 'Error acquiring the state lock' without corrupting your state file.
Docker: container exits immediately with no logs
A checklist for the classic 'my container starts and dies in a second' problem.
AWS: When would you pick S3 over EBS?
The right answer shows you understand *access patterns*, not just storage products.
How does Terraform know what already exists?
The most missed Terraform interview follow-up. Explain state files and how they work.
Explain the Kafka message flow end-to-end
A crisp walkthrough of what happens between a producer's `send()` call and a consumer's `poll()` receiving the message.
Difference between Docker and Kubernetes
One of the most common early-career interview questions. Nail the answer in 3 sentences.
Kafka Beyond Basics: Consumer Groups, Replication, Ordering
The three intermediate concepts that turn Kafka from a toy into a production tool.
Kafka Explained Simply: Topics, Producers, Consumers
Kafka is a super-fast message queue that never forgets. Here's the mental model in plain English.
YAML Explained with Examples
YAML is everywhere in DevOps (Docker Compose, Kubernetes, GitHub Actions). Learn its 6 rules and you're done.
Bash Scripting: The Basics You'll Use Every Week
Variables, loops, conditionals and pipes in Bash — enough to automate 90% of everyday tasks.
Python Data Structures: Lists, Dicts and Sets
The three collections you'll use every single day — with real examples.
Python for Absolute Beginners
The absolute essentials of Python — variables, if, loops and functions — in the clearest possible words, with runnable examples.
GCP Compute, Storage and BigQuery
Three GCP services that map to AWS EC2, S3 and Redshift — but often with a friendlier developer experience.
Google Cloud for Beginners: Projects, IAM and Cloud Shell
How GCP organizes accounts, why 'projects' are important, and the free browser terminal that has everything pre-installed.
Azure Core Services: App Service, Azure SQL and Storage
Three Azure services that cover 70% of typical business apps — deploy a website, store data, keep files.
Azure for Beginners: Resource Groups and the Portal
The one Azure concept that trips everyone up on day one — resource groups — plus how to navigate the portal.
AWS Serverless: Lambda, DynamoDB and API Gateway
Build a working REST API without any server management — using functions, a NoSQL database and a managed gateway.
AWS Networking: VPC, Subnets and Security Groups
Your own private network inside AWS — public vs private subnets, security groups vs NACLs, all in beginner language.
AWS Core Services: EC2, S3 and IAM Explained
Three services you cannot avoid on AWS — what they are, what they cost, and the mistakes freshers make.
Getting Started with AWS: Console, Regions and Free Tier
Log into AWS for the first time — understand the console, regions, availability zones and the free-tier limits before you spend a rupee.
GitHub Actions: Your First CI Workflow
Set up automated tests on every push in under 10 minutes with a single YAML file.
Terraform for Absolute Beginners
Infrastructure as Code explained with tiny examples — write .tf files, run three commands, watch cloud resources appear.
Kubernetes Deployments, Services and ConfigMaps
The three most-used Kubernetes objects explained with tiny, working examples.
Kubernetes Explained for Absolute Beginners
The clearest possible introduction to Kubernetes — what it is, why it exists, and the seven words you need to know.
Docker Compose: Run Many Containers Together
How to describe a small stack (app + database + cache) in one YAML file and start it all with a single command.
Writing Your First Dockerfile
A friendly walkthrough of the Dockerfile syntax — write a working image for a small web app in 10 minutes.
What is Docker? A Simple Beginner's Guide
Docker in plain English: what a container really is, how it's different from a virtual machine, and why every team ships with it.
PostgreSQL: Too Many Connections
The classic Postgres scaling wall — and how PgBouncer solves it.
Nginx 502 Bad Gateway after Deploy
Nine times out of ten it's one of these five issues — here's how to isolate them.
Kubernetes Pod stuck in CrashLoopBackOff
A methodical checklist to diagnose and fix crash-looping pods in production.
What happens when you type a URL in the browser?
The definitive end-to-end walkthrough — DNS to render.
Difference between Process and Thread
An OS fundamentals question every backend engineer must nail.
Explain the CAP Theorem in one paragraph
A distributed-systems classic that trips senior engineers as often as juniors.
10 Terminal Aliases That Save Hours a Week
Small `.zshrc` tweaks with an outsized impact on daily workflow.
React 19 useOptimistic Explained
The new hook that makes optimistic UI trivial — with a working example.
Python Async: A Practical Guide
asyncio, event loops and when NOT to use async.
GitHub Actions: A Complete CI Pipeline
Lint, test, build, publish — a battle-tested workflow template.
The Perfect Dockerfile for Node.js Apps
Multi-stage builds, layer caching and a 90% smaller image size.
Cloud Run vs GKE: When to Choose What
A pragmatic decision framework for serverless containers on Google Cloud.
Deploying a Static Web App on Azure
Zero to production Azure Static Web Apps with GitHub Actions in under 10 minutes.
Understanding IAM Roles vs Users vs Groups
A crisp mental model for AWS identity primitives — with common pitfalls.
AWS S3 Bucket Best Practices for Production
Ten field-tested rules for locking down, versioning and scaling S3 buckets in production workloads.