Writing Comments ””” Some comments being written in python “”” ’’’ We can use single quotes as well ‘’’ Printing print("Hello", "World", sep="-", end="!") Range range(5) range(5,10) range(5,...

Table of Contents What is Jenkins? Core Architecture Jobs and Pipelines Jenkinsfile — Declarative vs Scripted Pipeline Stages, Steps & Agents Build Triggers Credentials & Se...

Q. Finding logs -> Via grep and python Searching for Internal Server Logs python``` import re pattern = r”\b5\d{2}\b” with open(‘f.txt’, ‘r’) as f: for line in f: if re.search(pat...

Learn jq by Example If you work with JSON, jq is the fastest way to filter, transform, and query it from the command line. This guide is hands-on: it starts with a sample JSON file so you can copy...

Migrating a Production Kubernetes Workload from GCP to Azure After running our infrastructure on Google Cloud for years, we recently completed a full production migration to Azure. This post walks...

GitHub Actions Motivation Before GitHub Actions, setting up automation meant: Signing up for a separate service (CircleCI, Jenkins, Travis CI) Connecting it to GitHub via webhooks Managing...

The Story of Shipping Code — A CI/CD Tale Chapter 1: The Dark Ages (Before CI/CD) Meet Arjun. He’s a backend engineer at a startup. It’s 2015. Every Friday, the team manually deploys. Arjun ha...

Terraform Mid-Level Interview Qs Q1. Walk me through the Terraform workflow terraform init downloads and installs provider plugins into .terraform/, stores their hashes in .terraform.lock.hcl f...

terraform init Initialize working directory, download providers/modules, configure backend. terraform fmt Format configuration files to canonical style. terraform validate Validate syntax and ...

What are state files in Terraform? A state file stores the current state of infrastructure managed by Terraform It keeps track of resources Terraform has created and their attributes Terraf...