In this lesson, we will cover the steps to install and configure Duplicati for creating backups from a variety of sources: MariaDB on Debian, a website on Debian, a Windows File Server, Windows Desktops, and macOS Desktops. These backups will be stored in Amazon S3 for durability and scalability.

Linux is known for its rich command-line heritage, offering a wide array of powerful tools to accomplish almost any task. However, like all technology, some of these tools have become outdated, with better alternatives now available.

Learn how high school students can responsibly use generative AI tools to enhance their learning, improve writing, and develop critical thinking skills. This guide covers the benefits, correct citation practices, potential pitfalls, and how to avoid over-reliance on AI in education.

Learn the ins and outs of Linux Containers (LXCs) and their use cases. Discover why you might choose LXCs over Docker for full Linux environments. Follow a step-by-step guide to setting up an LXC container with MariaDB, and understand the benefits of efficient resource usage and security through isolation. Perfect for developers, testers, and system administrators looking for lightweight virtualization solutions.

Learn how to create a simple blog using the React framework in this step-by-step tutorial. This guide covers setting up your development environment, creating a React application, building reusable components, fetching posts from an API, adding SEO-friendly URLs with React Router, and securing your site with Let’s Encrypt for SSL. Perfect for beginners and intermediate developers looking to enhance their skills in modern web development.

The Hadoop ecosystem comprises various tools and frameworks designed to handle large-scale data processing and analytics. This paper discusses the core components, namely Hadoop, HBase, and Hive, along with other significant tools such as Pig, Sqoop, Flume, Oozie, and Zookeeper.

Learn how to implement RBAC, Zero Trust, and Least Access principles in a hybrid on-premises and AWS environment. This guide covers preparation, implementation, and auditing of these security measures across Windows and Linux virtual machines, as well as AWS serverless services. Enhance your security posture with practical steps, tools, and continuous monitoring strategies.

Discover run0 for Linux, a passwordless command execution tool. Learn its similarities and differences with sudo, security analysis, installation, and usage for daily tasks and automation.

Linux Mint, Ubuntu, and LMDE (Linux Mint Debian Edition) are three popular Linux distributions, each with its own unique characteristics, philosophies, and user bases.

Learn how to build and deploy a Hugging Face NLP model using Docker. This step-by-step guide covers setting up your environment, fine-tuning a pre-trained model, creating a FastAPI, containerizing with Docker, and testing the deployed API. Perfect for those looking to integrate machine learning models into scalable applications.

It has long been associated with IPv4, but its relationship with IPv6 often stirs confusion and misinformation.

Securing SSH access is critical for protecting your server from unauthorized access. By combining Two-Factor Authentication (2FA) with IPv6-only connections, you add multiple layers of security.

A home lab is a personal network environment where you can test and learn new technologies. Using Proxmox VE, TrueNAS, and OPNsense, you can create a powerful and flexible home lab setup.

Cyber threats are becoming more advanced every day, making it crucial to stay informed and prepared. Social engineering and deepfake attacks are two significant concerns that require robust security measures

Web-based database management tools like phpMyAdmin are widely used due to their ease of use and accessibility. However, there are significant security and performance reasons why you might want to avoid these tools in favor of desktop-based solutions like DBeaver.

Welcome to the exciting world of the Linux file system! If you’re familiar with Windows, you’re about to embark on an adventure that’s both different and fascinating. Let’s explore the structure, history, and variety of file systems in Linux and see how they compare to Windows.

While Linux is generally more secure than other operating systems, it is not immune to threats.

Unlock the secrets of your computer’s startup process with our beginner’s guide to CMOS, BIOS, and UEFI. Learn how these essential components work together to initialize hardware, manage system settings, and ensure a smooth boot-up. Discover the differences between BIOS and UEFI, and understand their evolution over time. Perfect for tech enthusiasts and curious minds, this guide simplifies complex concepts with easy-to-understand analogies. Dive in and enhance your knowledge of computer technology today!

Introduction Kernel modules are pieces of code that can be dynamically loaded into the Linux kernel to extend its functionality without the need for rebooting. This lesson covers the complete lifecycle of kernel module development, including development, testing, submission, code… Read more: Linux Kernel Module Development

When managing a WordPress site, it is crucial to have reliable backup and restoration procedures to ensure data integrity and minimize downtime in case of issues. The following scripts provide an automated way to backup and restore a complete WordPress installation, including its database and web server configuration (Nginx or Apache).

MariaDB is a versatile and powerful database management system. To get the best performance, you need to optimize it according to your specific use case. In this post, we will provide detailed examples for optimizing MariaDB for various scenarios: highly transactional workloads, heavy read operations, heavy write operations, complex mathematical computations, and hybrid workloads.

Welcome to our comprehensive guide on building and securing a high-availability LAMP stack for enterprise applications on both Debian and RHEL distributions. This guide will take you through each step in detail, ensuring you have a robust and secure environment… Read more: Building and Securing a High-Availability Enterprise LAMP Stack on Debian and RHEL

In this lesson, we’ll walk through deploying a highly advanced, secure, and scalable e-commerce platform using modern technologies and best practices.

Package management is a crucial aspect of any Linux distribution, providing the means to install, update, and remove software efficiently. Each major Linux distribution has its own package management system with unique tools and methods. In this article, we’ll explore… Read more: Understanding Linux Package Management

Training language models like GPT-Neo and GPT-J can seem daunting, especially for beginners. However, with the right guidance, anyone can get started on this exciting journey into natural language processing (NLP). This guide will walk you through the process of setting up and training these powerful models in detail.

This lesson will guide you through the process of selecting and deploying an open-source ChatGPT-like conversational AI system on self-hosted infrastructure. By the end of this lesson, you will understand the criteria for choosing a suitable model, how to set up the necessary environment, and the steps to deploy and interact with the AI system.

Let’s Encrypt is a free, automated, and open Certificate Authority (CA) provided by the Internet Security Research Group (ISRG). It issues digital certificates to enable HTTPS (SSL/TLS) for websites, ensuring encrypted communication between the web server and the client. Key… Read more: Let’s Encrypt!

IntroductionWelcome to the world of Linux administration! As a new Linux administrator, understanding the core components and commands is crucial. This detailed guide will help you get started with essential Linux tasks and concepts. Understanding the Linux Filesystem HierarchyLinux uses… Read more: Comprehensive Guide for New Linux Administrators

Networking is a critical aspect of system administration, and Linux provides a wide array of tools to manage and troubleshoot network connections. This article will cover some of the most essential Linux networking tools, including ifconfig, netstat, and more, focusing… Read more: Linux Networking Tools: ifconfig, netstat, and more

The Linux boot process is a sequence of steps that your system goes through from the moment you power it on to when the operating system is fully loaded and ready for use. Understanding this process can help diagnose boot… Read more: The Linux Boot Process: From BIOS to Init

What is a Honeypot? A honeypot is a security mechanism that creates a decoy system or network to attract and analyze potential attackers. By studying the attackers’ techniques, administrators can enhance their security measures. Steps to Set Up a Honeypot… Read more: Setting Up a Honeypot for Network Security

Introduction The Linux command line, also known as the terminal or shell, is a powerful tool that provides users with direct access to the operating system’s functions. Unlike graphical user interfaces (GUIs), the command line allows for more precise and… Read more: Linux Command Line Basics: A Beginner’s Guide

Kubernetes is an open-source platform designed to automate deploying, scaling, and operating application containers. This guide will help you get started with Kubernetes by providing step-by-step instructions on setting up a local development environment and deploying your first application. Prerequisites… Read more: Getting Started with Kubernetes

Role-Based Access Control (RBAC) is a security paradigm that restricts system access to authorized users. It is a method of regulating access to computer or network resources based on the roles of individual users within an enterprise. In this article,… Read more: Role-Based Access Control (RBAC)

Terraform is an open-source infrastructure as code (IaC) software tool created by HashiCorp. It allows users to define and provide data center infrastructure using a high-level configuration language known as HashiCorp Configuration Language (HCL), or optionally JSON. Why Use Terraform?… Read more: Introduction to Terraform

Introduction In the realm of Linux security, two powerful tools stand out: SELinux (Security-Enhanced Linux) and AppArmor. Both are Linux kernel security modules that provide a mechanism for supporting access control security policies. While they serve similar purposes, their approaches… Read more: Security Enhancements with SELinux and AppArmor

Introduction In today’s fast-paced IT environment, managing the configuration of numerous servers manually can be a daunting task. Automated configuration management tools like Ansible help streamline this process, ensuring consistency, reducing errors, and saving time. What is Ansible? Ansible is… Read more: Using Ansible for Automated Configuration Management

Data security is a critical concern in today’s digital age. Encrypting your data ensures that even if your system is compromised, your sensitive information remains protected. Linux offers robust tools for data encryption, including LUKS and eCryptfs. This article will… Read more: Encrypting Your Data on Linux: LUKS and eCryptfs

As a Linux administrator, you are often required to automate repetitive tasks, manage system configurations, and ensure smooth operation of services. Python, a versatile and powerful programming language, can be a great asset in your toolkit. In this article, we… Read more: An Introduction to Python for Linux Administrators

Introduction Shell scripts are an essential tool for automating repetitive tasks in a Linux environment. By writing shell scripts, you can streamline workflows, improve efficiency, and reduce the potential for human error. This article will guide you through the basics… Read more: Writing Shell Scripts to Automate Common Tasks

Docker is a platform that uses containerization technology to enable the deployment, management, and scaling of applications in lightweight, portable containers. Containers bundle an application with all its dependencies, allowing it to run consistently across different environments. This guide will… Read more: Introduction to Docker on Linux

What is Package Management? Package management involves installing, updating, and removing software packages. A package manager handles these tasks, ensuring that software dependencies are met and that packages are properly configured. Debian and Ubuntu: Using APT Debian and Ubuntu use… Read more: Linux Package Management: A Comprehensive Guide

Follow these steps to deploy a serverless, scalable WordPress website using AWS services like S3, Lambda, API Gateway, RDS, and CloudFront. 1. Set Up an AWS Account If you don’t already have an AWS account, you’ll need to create one… Read more: Deploy a Serverless Scalable WordPress Website Using AWS

Vim, short for Vi Improved, is a powerful and versatile text editor that is widely used in the programming and system administration communities. Known for its efficiency and the speed it offers to experienced users, Vim can seem intimidating to… Read more: Introduction to Vim for Beginners

Introduction Welcome to the Linux command line basics tutorial. In this lesson, you will learn how to use the Linux command line, common commands and file locations, basic functions like starting and stopping services, managing users, connecting to SSH, and… Read more: Linux Command Line Basics

How to Install Linux: Step-by-Step Guide Installing Linux can be an exciting and rewarding experience. This guide will walk you through the process of installing Linux on your computer, focusing on three popular distributions: Debian, Red Hat, and Ubuntu. Step… Read more: How to Install Linux: Step-by-Step Guide

Introduction to Linux: A Beginner’s Guide Introduction to Linux: A Beginner’s Guide Welcome to the world of Linux! This guide is designed to introduce you to the basics of Linux, a powerful and flexible operating system that’s used by millions… Read more: Introduction to Linux: A Beginner’s Guide