Articles by Tag #cloudwhistler
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
Move Over cat: Why Linux Users Should Embrace bat for a Better Terminal Experience
The Superior Alternative to Cat in Linux When working in Linux, the cat command is often the default...
🚀 My First Secure CI/CD Pipeline on GitLab: A Beginner's Walkthrough
When I first opened GitLab and saw the Projects section, I'll admit, it was exciting to explore. I am...
☠️ Never Run These! 10 Linux Commands That Can Destroy Your System
Have you ever been tempted to run a mysterious command you found online? STOP. Some Linux commands...
10 Daily Linux Questions and Answers Series (part 1)
In this brief article, I present 10 essential Linux questions along with their answers. This...
Inside the Linux Filesystem: Essential Knowledge for Cloud & DevOps Engineers
Table of Contents Introduction The Linux Filesystem Philosophy Bash: Your Command...
Day 4 of 30 Days of Linux Mastery: Getting Comfortable with Vim
Table of Contents Introduction What is Vim? Understanding Vim Modes Core Vim Commands You...
Day 11/ 30 Days of Linux Mastery: Setting Up a Local Repository Using RHEL 9 ISO
Table of Contents Introduction Why Repositories Matter Core dnf Repo Commands Real-World...
Managing EC2 Instances with the AWS CLI
As a Cloud or DevOps engineer, proficiency and automation are key to managing a cloud infrastructure....
Day 16/ 30 Days of Linux Mastery: Keyboard Shortcuts & Symbols
Table of Contents Introduction What Are Keyboard Shortcuts? Core Keyboard Shortcuts Core...
Top 25 Linux Commands You’ll Use Every Day (with examples)
Introduction As part of my RHCSA + RHCE Fast-Track Training with the Cloud Whistler...
Ansible + Red Hat: The Automation Alliance Powering Next-Gen Enterprise Infrastructure
There's a silent engine behind many of today's most reliable, scalable, and secure enterprise...
How to Take Remote Backups Using rsync Over SSH (Day 12 of 30)
Table of Contents Introduction Why Organizations Still Use rsync Understanding rsync and...
Day 5/30 Days of Linux Mastery: User Account Management Like a Pro
Table of Contents Introduction What is a "User" in Linux? Types of Users Important...
Day 20/ 30 Days of Linux Mastery: Recover/Rescue Root Password in RHEL9
Table of Contents Introduction Step-by-Step Guide on Recovering the Root...
The Linux (rm) Command: Simple, Powerful, and Dangerous
There’s a reason that Linux professionals emphasize caution when using the rm command. It’s a very...
Hardening File Permissions: Practical Steps to Lock Down Data
Welcome to Day 15 of 30days linux challenge. We will be treating the 4th topic in our Linux Security...
Day 6/ 30 Days of Linux Mastery: Group Account Management
Table of Contents Introduction What are "Groups" in Linux? Core Group Management...
The Cloud Security Blind Spots: What Most Cloud Engineers Don’t Know About Linux Security
In today's cloud first world, we're so caught up in configuring IAM policies, setting up security...
Mastering the cp Command in Linux
Introduction As part of my RHCSA + RHCE fast-track training with the Cloud Whistler...
Day 29/ 30 Days of Linux Mastery: if Statements in Shell Scripting for Beginners
Table of Contents Introduction What is an if statement? Core if Statement...
🐧 Linux Won’t Bite: A Windows User’s First Taste of Penguin Power
The Confession: "I used to think Linux was for hackers and math geniuses. Then I tried it. Here's...
The Key to Control: Navigating Users, Groups, and Permissions
Table Of Content Introduction What Are Users, Groups, and Permissions? Getting to Know...
Want to Know Where Popular Web Technologies Serve Websites on Red Hat Linux? Let’s Break It Down!
Red Hat Linux powers countless websites, but how do popular web technologies work on it—conceptually...
What Keeps Red Hat So Damn Solid? Spoiler: It’s Not Luck, It’s Ruthless Kernel Engineering!
In the high-stakes enterprise environment where every second of downtime translates to lost revenue....
Why Linux Is Secure by Design (But Still Needs You)
Table Of Content Introduction What Makes Linux Secure by Design? Multi-User...
Best Open Source Tools to Use on Your Linux Journey
Introduction As I continue my RHCSA journey with the 30-day Linux challenge, today’s focus...
Simple Firewall with ufw or firewalld
Welcome to Day 16 of our Linux Security Basics series! After securing file permissions on topic 5,...
Changing Group Ownership in Linux: Mastering the chgrp Command
Introduction I’m continuing my 30-Day Linux Challenge as part of my prep for the RHCSA...
How to Change Directory Permissions in Linux (and Why It Matters)
One of the most common tasks in Linux administration is changing directory permissions. You may need...
Linux in Action: Mastering Crontab for Task Scheduling (RHCSA & DevOps)
Introduction Task automation is a core responsibility of every Linux system administrator....