#linux Development Tutorials & Tips | Roast Dev

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Why the /etc Directory in Linux is the Heart of Your System's Configuration

If you’ve ever dabbled in Linux, you’ve probably come across the /etc directory. But what exactly is it, and why is it so important? Think of /etc as the brain of your Linux system—it’s where ...

21.04.2025 0 Read More

If You Can't Control Access, You Can't Control the Cloud (Part 1)

Let's be honest, Linux file permissions don't get nearly as much hype as containers or CI/CD pipelines. But without them? Automation breaks. Access controls fail. Security nightmares begin.And that's ...

21.04.2025 0 Read More

Your First Step to a Hardened SSH Server

What is sshd_config - Part 1 of the SSH Security Series As a Linux admin, I use SSH so often it’s practically muscle memory. It’s one of those tools that just works—you open a terminal,...

21.04.2025 0 Read More

Mastering File Ownership: Why the chown Command is Your Linux Superpower

If you’ve used Linux, you’ve probably come across the term “ownership” when dealing with files. Every file and folder has an owner (a specific user) and a group. Ownership decides who can acce...

21.04.2025 0 Read More

Sephera Command Line Interface

Sephera is a lightweight and portable command-line tool designed to help you analyze and visualize your project's structure and codebase — quickly and efficiently.Whether you want to:⛶🔍 Count l...

21.04.2025 0 Read More

A Practical Guide to Managing Users in Linux

Managing users is one of the fundamental tasks when working with Linux. Whether you’re setting up a server, managing a team, or just organizing your personal system, knowing how to add, modify, and...

21.04.2025 0 Read More

Group Management in Linux: Create, Modify, and Manage Group Accounts Like a Pro

Table of Contents What is a Group in Linux? Types of Groups Where Group Data is Stored Essential Group Management Commands Create a Group Check Group Properties Modify Group ID Add or Rem...

21.04.2025 0 Read More

🚀How to Launch a RHEL9 Virtual Machine on AWS (Free Tier)

In this post, I’ll walk you through launching a Red Hat Enterprise Linux 9 (RHEL9) virtual machine using Amazon EC2. This setup is beginner-friendly, using free-tier eligible services. This setup al...

21.04.2025 0 Read More

Mastering the mv Command in Linux

Introduction As I continue my 30-day Linux challenge that is part of my deep-dive prep for the RHCSA exam; each day is opening new doors into the powerful world of Linux. Today marks Day 6 an...

21.04.2025 0 Read More

Advanced Linux Command Line Tools: Power Up Your Terminal Skills

The Linux command line is a powerful environment that can significantly boost your productivity if you know the right tools. While basic commands like ls, cd, and grep are essential, mastering advance...

21.04.2025 0 Read More

Why the /etc Directory in Linux is the Heart of Your System's Configuration

If You Can't Control Access, You Can't Control the Cloud (Part 1)

Your First Step to a Hardened SSH Server

Mastering File Ownership: Why the chown Command is Your Linux Superpower

Sephera Command Line Interface

A Practical Guide to Managing Users in Linux

Group Management in Linux: Create, Modify, and Manage Group Accounts Like a Pro

🚀How to Launch a RHEL9 Virtual Machine on AWS (Free Tier)

Mastering the mv Command in Linux

Advanced Linux Command Line Tools: Power Up Your Terminal Skills

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