Dec 25, 2025
File Permissions & Ownership in Linux (chmod, chown, chgrp, alias)
How rwx permissions work, numeric vs symbolic chmod, changing ownership with chown/chgrp, and using aliases for quick commands.
#Linux
#Permissions
#CLI
#Security
#DevOps
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Dec 25, 2025
Linux File System & Essential Commands: A Quick Guide
Intro to the Linux file system layout and core commands like ls, pwd, cd, mkdir, touch, cp, mv, echo, wc, rmdir, history, cat.
#Linux
#CLI
#Basics
#DevOps
#Shell
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Dec 25, 2025
Foundations: Software, DevOps, Containers, Servers, and How Code Flows
A beginner-friendly overview of software types, DevOps, containers, servers, network flow, programs/code/instructions.
#Fundamentals
#DevOps
#Containers
#Networking
#Programming
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Dec 25, 2025
Dockerfile Syntax: Writing Lean, Secure Images the Right Way
A practical guide to Dockerfile instructions, order, and best practices for small, secure, repeatable images.
#Docker
#Containers
#DevOps
#CI/CD
#Security
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Dec 25, 2025
Running Commands Inside Docker Containers: Practical Guide
How to exec into containers, run one-off commands, and inspect container state safely.
#Containers
#DevOps
#CI/CD
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Dec 25, 2025
Dockerfile Instructions: A Practical Cheat Sheet
A concise walkthrough of common Dockerfile instructions—what they do and how to use them safely.
#Docker
#Containers
#DevOps
#CI/CD
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Dec 25, 2025
Git and DevOps: Integrating Version Control with CI/CD
How Git underpins DevOps workflows and how to wire version control cleanly into your CI/CD pipelines for faster, safer releases.
#Git
#DevOps
#CI/CD
#Automation
#Releases
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Dec 25, 2025
Git Merge Strategies: How to Choose the Right Approach
A practical look at Git merge strategies—fast-forward, recursive, ours/theirs, squash, rebase—and when to use each for clean history and safe releases.
#Git
#Version Control
#DevOps
#Collaboration
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Dec 25, 2025
Helm 101: A Gentle Intro to Kubernetes Package Management
What Helm is, why it matters, and how to install charts, manage releases, and customize deployments.
#Helm
#Kubernetes
#DevOps
#Packaging
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Dec 25, 2025
Deploy Prometheus & Grafana with Helm: Observability in Minutes
How to install Prometheus and Grafana on Kubernetes using Helm, wire up scraping, secure access, and get dashboards running quickly.
#Observability
#Prometheus
#Grafana
#Helm
#Kubernetes
#DevOps
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Dec 25, 2025
What Is DevSecOps? Security Built Into Every Release
DevSecOps folds security into DevOps so teams ship fast without leaving gaps. Here’s what it is, why it matters, and how to practice it.
#DevSecOps
#Security
#DevOps
#CI/CD
#Compliance
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Dec 25, 2025
CI/CD Explained: How Teams Ship Fast Without Breaking Things
What CI/CD means, why it matters, and how continuous integration and continuous delivery/deployment fit together.
#DevOps
#CI/CD
#Automation
#Releases
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Dec 25, 2025
Deployment Automation: Making Releases Boring (in a Good Way)
Why deployment automation matters, what to automate, and how to build confidence so releases feel routine instead of risky.
#DevOps
#CI/CD
#Automation
#Releases
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Dec 25, 2025
Version Control Systems: A Practical Guide for Teams
Understand what version control systems are, why teams use them, and how centralized vs. distributed models (like Git) work in practice.
#Git
#Version Control
#DevOps
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