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How to Check Disk Space in Linux

by Zen Admin | Mar 14, 2025 | Linux, System Administration

Managing disk space is a crucial task for any Linux user or admin. Two command-line tools, df and du, make it easy to monitor disk usage. While they both deal with space, they serve different purposes. Here’s how to use them effectively. df: Disk Free Overview The df...

awk vs sed: What’s the Difference?

by Zen Admin | Mar 14, 2025 | Linux, System Administration, Tutorials

When it comes to text processing in Unix-like environments, awk and sed are two powerhouse tools that often confuse newcomers due to their overlapping capabilities. While both are designed to manipulate text, they serve distinct purposes and shine in different...

Deploying a LAMP Stack for High-Traffic Websites with Ansible.

by Zen Admin | Mar 11, 2025 | Ansible, DevOps, Linux, System Administration

In today’s fast-paced digital world, launching a website that can handle high traffic with rock-solid stability is a must. Whether you’re running a blog, an e-commerce platform, or a dynamic web app, the LAMP stack—Linux, Apache, MySQL, and PHP—remains a go-to...

Build Your Own Netflix: A Personal Media Streaming Service with AWS and Terraform

by Zen Admin | Mar 11, 2025 | DevOps, Docker, Linux, Terraform, Tutorials

Have you ever dreamed of having your own private Netflix—complete with your personal movie collection, TV shows, or even home videos—accessible anytime, anywhere? Today, we’re going to make that a reality using AWS services like S3, Elemental MediaConvert, and ECS,...

Migrating from Shared Hosting to VPS: A Step-by-Step Guide

by Zen Admin | Mar 4, 2025 | Linux, System Administration, Tutorials, VPS

If you’ve been running your website on shared hosting, you’ve likely enjoyed its simplicity and affordability. But as your site grows—whether it’s a blog, an e-commerce store, or a portfolio—you might start noticing limitations: slow load times, restricted resources,...

How to Set Up a Basic Firewall with UFW on Ubuntu: A Step-by-Step Guide

by Zen Admin | Mar 3, 2025 | Linux, Security, System Administration, Tutorials

A firewall is your Ubuntu server’s first line of defense, and setting it up doesn’t have to be complicated. Ubuntu’s Uncomplicated Firewall (UFW) makes securing your system easy, even if you’re new to Linux. In this guide, we’ll walk you through how to set up a basic...

VPS Hosting for High-Traffic Websites: Stability and Speed Unleashed

by Zen Admin | Feb 27, 2025 | ARM64, System Administration, VPS

When your website starts pulling in serious traffic — thousands of visitors daily, spiking during launches or campaigns — your hosting setup becomes the backbone of its success. Shared hosting, the go-to for small sites, quickly buckles under pressure, leaving you...

How to Set Up SSH Key Authentication in Linux: A Step-by-Step Deep Dive

by Zen Admin | Feb 26, 2025 | Linux, Security, System Administration, Tutorials, VPS

Secure Shell (SSH) is a cornerstone of secure remote access in Linux environments. While password-based authentication is common, SSH key authentication offers superior security and convenience. By using cryptographic keys instead of passwords, you eliminate the risk...

How to Use the grep Command in Linux

by Zen Admin | Feb 25, 2025 | Linux, Tutorials

The grep command in Linux is a powerful tool for searching text patterns within files or input streams. Whether you’re a system administrator, developer, or casual user, mastering grep can save you time when sifting through logs, code, or data. Let’s dive into...

Choosing the Right VPS Plan: A Step-by-Step Guide

by Zen Admin | Feb 25, 2025 | Tutorials, VPS

When it comes to hosting a website, application, or online project, choosing the right VPS plan can make or break your success. Virtual Private Server (VPS) hosting offers a balance of affordability, control, and performance, but with so many options available, how do...