Dargslan

Master advanced bash scripting for automation, system administration, and DevOps. Professional techniques for robust scripts, process management, and production-ready solutions.

Master advanced Bash scripting with expert techniques for automation, optimization, and professional shell programming. Transform from basic scripter to Bash expert with 14 comprehensive chapters.

Master Asynchronous Behavior, Event Propagation, and the JavaScript Runtime Model

Deep Dive into Modern JavaScript Techniques, Architecture, and Best Practices

Mastering Iterables, Generators, and Custom Looping Patterns for Cleaner and Faster Code

Build Reusable, Modular, and Professional Scripts for Scalable Automation

Master Linux system administration with Python. Learn to automate tasks, monitor systems, and manage infrastructure using powerful Python scripts and advanced techniques.

Power Features, Performance Tricks, and Professional Practices

Master Complex Data Retrieval and Manipulation Techniques

Mastering Utility Types, Generics, Conditional Types, and More for Robust Type-Safe CodeAdvanced Types in TypeScript

Scalable Architecture, Type Safety, and Clean Code in Large Applications

Automate Configuration Management and Deployment with Simple, Human-Readable Playbooks

Master Apache web server from installation to production deployment. Complete guide covering configuration, security, performance optimization, and modern deployment strategies for Linux systems.

Master Apache web server deployment, configuration, and security on Linux. Complete guide from installation to advanced hosting with practical examples and real-world scenarios.

Master AppArmor mandatory access control for Linux application security. Learn profile creation, management, troubleshooting, and integration into modern DevOps workflows.

Performing Calculations in Bash Using Built-in and External Tools

Mastering async/await, Tasks, and Concurrent Programming for Scalable .NET Applications

Master Linux server auditing and compliance with practical techniques for logging, monitoring, and regulatory requirements. Essential guide for system administrators.

Boost Productivity and Save Time by Automating Everyday Tasks Using Python

Creating Reliable and Scheduled Backup Solutions in Bash

Creating Reliable and Scheduled Backup Solutions in Bash

Efficient Scheduling and File Synchronization for Reliable System Backups

Generate, Format, and Deliver Professional Reports Using Python Libraries

Master Linux automation through practical scripting, scheduling, and workflow optimization. Learn Bash, cron, systemd timers, and real-world automation projects to boost productivity.

Control Chrome with JavaScript for Web Scraping, Testing, and Workflow Automation

Boost Your Productivity by Automating Everyday Windows Tasks with PowerShell Scripts

Master Bash scripting from beginner to expert with real-world automation projects, system administration techniques, and professional best practices for Linux/Unix environments.

Automating Infrastructure, Deployment, and Monitoring in Linux Environments

Master Bash scripting from basics to advanced automation. Learn shell programming, system administration, and real-world project development with hands-on examples and best practices.

A comprehensive beginner's guide to Bash scripting for Linux and macOS. Learn automation, file management, and system administration through hands-on examples and real-world projects.

Hands-On Mini Projects to Learn and Practice TypeScript Fundamentals

Learn JavaScript through 15 hands-on projects! Build real applications from counters to weather apps using vanilla JavaScript, DOM manipulation, and modern ES6+ features.

Master Python CLI development from basics to production-ready tools. Learn argparse, click, rich output, testing, packaging, and professional best practices through hands-on projects.

Create a Safe, Isolated, and Scalable Environment to Practice Cybersecurity Skills

Master Linux firewall security with hands-on iptables, nftables, and UFW guide. Build enterprise-grade network protection from basics to advanced automation strategies.

Create Scalable, Type-Safe, and Maintainable RESTful and GraphQL APIs Using TypeScript

Create Powerful Command-Line Applications with Go's Simplicity and Performance

Designing Static Analysis Tools for Clean, Consistent, and Secure Python Code

Create Interactive, Validated, and User-Friendly Forms Using Vanilla JavaScript

A Practical Guide to Creating Efficient and Production-Ready Docker Images for Any Application

Design, Develop, and Deploy Scalable Web APIs Using Python and Flask

Master JSON data handling in C# with comprehensive coverage of System.Text.Json and Newtonsoft.Json. Learn serialization, API integration, performance optimization, and security best practices.

C# Programming for Beginners: A Step-by-Step Guide to Learning C# and Building Your First Applications - Master C# fundamentals through practical examples and hands-on exercises.

Master C# syntax from basics to advanced structures. Learn clean coding practices, debug syntax errors, and build confidence writing correct C# code through hands-on examples.

Mastering File and Directory Permissions in Linux for Security, Automation, and Access Control

Writing Readable, Maintainable, and Efficient Shell Scripts

Master clean, maintainable Bash scripting with professional practices. Learn to write readable shell scripts using proven Clean Code principles for automation and system administration.

A Beginner’s Guide to Persisting Data in the Browser Without a Database

Strategies and Tools for Observability, Alerting, and Performance Monitoring in AWS, Azure, and GCP

Capturing Command Output for Dynamic Scripting

Capturing Command Output for Dynamic Scripting

A Troubleshooting Guide for Fixing Network Issues Efficiently

Making Decisions in Your Shell Scripts

Externalize, Manage, and Secure Application Configuration in Kubernetes Clusters

Master Linux network configuration with practical guides for static/dynamic IP setup using ifconfig, ip command, Netplan, and NetworkManager across all major distributions.

Master the TypeScript Compiler Configuration for Scalable and Maintainable Projects

Organize, Isolate, and Control Your Kubernetes Workloads Using Namespaces

Learn to Write, Structure, and Optimize Dockerfiles for Reliable and Portable Containers

Master practical data security through comprehensive encrypted file system implementations on Linux platforms using LUKS, VeraCrypt, and eCryptfs.

A Beginner’s Guide to Designing and Building SQL Database Structures

Foundations of Security Visibility, Event Analysis, and Threat Detection

Write Efficient Code and Solve Real Problems Using JavaScript

A Step-by-Step Guide to Structuring Reliable and Scalable Relational Databases

Mastering Time, Date, and Timestamp Management in Linux and Unix Systems

Master server administration with comprehensive coverage from installation to security hardening.

A Hands-On Guide to Troubleshooting Containers Using Docker CLI, Logs, Shell Access, and Monitoring Tools

Strategies and Tools for Understanding, Fixing, and Refactoring Old PHP Codebases

A Practical Guide to Diagnosing Container Issues Using Logs, Events, and CLI Tools

Master Python debugging with comprehensive techniques, tools, and real-world strategies. From basic error handling to advanced production debugging for all skill levels.

Finding, Reproducing, and Fixing Bugs in Bash

Leverage TypeScript Decorators and Reflect Metadata for Clean, Extensible Code Architecture

Safe, Repeatable, and Maintainable Bash Deployments

Reusable Solutions for Scalable and Maintainable Code

Master DHCP server administration on Linux with comprehensive coverage of installation, configuration, security, troubleshooting, and advanced topics like failover and cloud integration.

Master DNS server implementation with BIND on Linux. Complete guide covering installation, configuration, security, and advanced features for system administrators and network engineers.

A Hands-On Guide to Integrating Docker into Modern CI/CD Workflows Using GitHub Actions, GitLab CI, Jenkins, and More

A Step-by-Step Guide to Building, Running, and Managing Multi-Service Applications with Docker Compose

Master Docker Compose through hands-on examples and real-world scenarios. Learn to build, deploy, and manage multi-container applications with practical implementations and production-ready solutions.

Master Docker containerization on Linux with hands-on tutorials, practical examples, and real-world projects. From basics to advanced deployment strategies.

Install, Configure, and Run Docker on Linux, Windows, and macOS with Ease

A Beginner’s Guide to Docker Networks, Port Mapping, and Service Communication

A Practical Guide to Working with Volumes, Bind Mounts, and Persistent Storage in Docker

Understand the Key Differences Between Containers and VMs to Choose the Right Infrastructure for Your Projects

A Beginner’s Guide to Creating Interactive Web Pages Using JavaScript and the DOM

A Step-by-Step Guide to Linux Basics, Command Line, File Management, and System Navigation

Master Pure Functions, Immutability, and Composition in Modern TypeScript

A Developer’s Guide to Managing Environment-Specific Settings, Secrets, and Credentials in Docker and Docker Compose

Designing Robust, Type-Safe Applications with Effective Error Management and Input Validation

Master JavaScript error handling from basics to advanced techniques. Learn try/catch, async errors, debugging, and building reliable applications with practical examples.

Write Robust and Reliable Code with Try/Catch, Logging, and Custom Error Management

Detecting, Managing, and Responding to Failures in Bash

Automate Recon, Scanning, Exploitation, and Reporting with Practical Python Tools

Master essential Linux commands and workflows for daily computing. From file management to automation, troubleshooting to customization - your practical guide to confident Linux use.

Master C# exception handling and debugging with try-catch blocks, custom exceptions, Visual Studio tools, and enterprise-level error management strategies for robust applications.

Master advanced Bash scripting with expert techniques for automation, performance optimization, security, and DevOps integration. Transform from basic scripts to enterprise-grade solutions.

Master SQL filtering and sorting with WHERE, ORDER BY, and advanced query techniques. Learn to write precise, efficient SQL queries with practical examples and real-world scenarios.

Mastering Linux Firewalls with iptables, firewalld, nftables, and UFW for Local, Server, and Cloud Security

Master FTP server deployment with vsftpd on Linux. Complete guide covering installation, security, user management, and automation for system administrators.

A Practical Guide to Secure and Efficient File Transfers Across Networks

Master functional programming in Python with practical techniques for writing cleaner, more efficient code using pure functions, immutability, and declarative programming patterns.

Write Cleaner, More Predictable Code Using Functional Principles and Modern JavaScript

Learn to Write, Use, and Master Functions for Cleaner and Reusable JavaScript Code

Master TypeScript Generics to Write Reusable, Type-Safe, and Scalable Code

Master Ubuntu Linux from scratch with this comprehensive beginner's guide. Learn installation, navigation, terminal basics, file management, and essential system administration skills.

Master Ubuntu Linux through hands-on exercises and practical labs. This workbook guides beginners from installation to advanced topics with real-world scenarios.

A Deep Dive into Git’s Architecture, Objects, and Version Control Mechanics

Automate Your Workflows for Testing, Deployment, and DevOps with Ease

Master SQL's GROUP BY, aggregate functions, and HAVING clause through practical examples. Transform raw data into insights with comprehensive grouping techniques for reporting and analysis.

A Practical Guide to Building Desktop Applications with Python’s Standard GUI Toolkit

A Practical Manual for Inspecting the First Lines of Files in Linux/Unix Systems — With Real-World Use Cases and Advanced Techniques

From Source Code to Production-Ready Deployment in a Kubernetes Cluster

A Practical Guide to Running Docker in Production Using Affordable Virtual Private Servers (VPS) Like DigitalOcean, Hetzner, Linode, or AWS EC2

Master WordPress hosting on Linux servers with this comprehensive guide covering deployment, security, and optimization. Perfect for developers and system administrators seeking complete control over their WordPress hosting environment.

A Practical Guide to Dynamic IP Assignment and Name Resolution in Modern Networks

A Practical Guide to Understanding and Using Email Communication Protocols

Optimize SQL Queries with Indexes, Execution Plans, and Database Tuning Techniques

Learn to Define, Provision, and Manage Cloud Infrastructure with HashiCorp Terraform

Set Up, Configure, and Launch Your First Kubernetes Cluster with Minikube on Windows, macOS, and Linux

Building User-Friendly Command-Line Interfaces in Bash

Master intermediate Bash scripting techniques for automation and productivity. Learn error handling, functions, text processing, and system administration tasks. Bridge the gap between basic and advanced scripting.

Build 15 Hands-On Applications Using Modern JavaScript—No Frameworks Required

Master Docker containerization from basics to production. Learn image management, Docker Compose, security, and workflow automation with hands-on examples for modern development.

Learn How to Build, Run, and Manage Containers for Modern Application Development

Protecting and Controlling Network Traffic with Firewall Rules and Address Translation

A Beginner’s Guide to Storing, Organizing, and Accessing Data in JavaScript

Understanding Local and Wide Area Networks for Beginners in Networking

Comprehensive guide to Linux forensics covering evidence collection, file system analysis, malware detection, and investigation techniques for cybersecurity professionals.

Master Linux shell scripting with Bash! Learn to automate tasks, streamline workflows, and create powerful scripts through hands-on examples and practical exercises.

Master Linux shell scripting with hands-on examples and real-world automation projects.

A Beginner’s Guide to Setting Up, Querying, and Managing MySQL Databases

A Beginner’s Guide to Protecting Digital Infrastructure and Preventing Cyber Threats

Master the Basics of Internet Protocols and Transition Strategies for Modern Networks

A Step-by-Step Guide to Writing Concurrent and Thread-Safe Java Applications

Master Java programming from zero to proficiency with practical examples, exercises, and projects.

Master Non-Blocking Code and Build Responsive Web Applications with Modern JavaScript

Master JavaScript debugging with practical techniques, tools, and real-world examples.

Master JavaScript from zero to hero! Complete beginner's guide with step-by-step tutorials, real examples, and hands-on projects. Learn variables, functions, DOM manipulation, and more.

A Beginner’s Guide to Building Interactive Web Experiences with DOM Events and Dynamic Logic

Beginners with little or no programming experience who want to learn JavaScript for web development.

A Developer’s Guide to Efficient Resource Handling and Leak Prevention

Structure, Split, and Scale Your JavaScript Projects with Modern ES6 Modules

Boost Speed, Efficiency, and Responsiveness in Web Applications

Protecting Web Applications with Defensive JavaScript Practices

Master ethical hacking with Kali Linux through hands-on penetration testing, reconnaissance, and exploitation techniques using industry-standard tools and real-world scenarios.

Visual Management of Your Cluster: A Beginner’s Guide to the Kubernetes Web UI

Master Kubernetes from basics to production with hands-on tutorials, real-world examples, and practical deployments. Perfect for beginners seeking container orchestration expertise.

Master Kubernetes container orchestration on Linux from basics to production deployment. Complete hands-on guide with real-world projects, security, monitoring, and troubleshooting.

A Beginner’s Guide to Kubernetes Concepts, Architecture, and Workflow for Managing Containers at Scale

Master Kubernetes installation, configuration, and management on Linux systems with hands-on tutorials, real-world examples, and production-ready deployment strategies.

A Hands-On Guide to Writing, Understanding, and Using YAML to Deploy Kubernetes Resources

Master the Essentials of the Linux Command Line and System Management Step by Step

Master Linux automation with comprehensive coverage of cron scheduling and systemd timers. Learn professional task automation, service management, and real-world implementation techniques.

Master Linux task automation with cron and anacron. Learn scheduling, best practices, troubleshooting, and advanced techniques for efficient system administration.

Master Linux backup strategies with practical guides to tar, rsync, BorgBackup, and cloud solutions. From basic file protection to enterprise disaster recovery planning.

Master Linux CLI tools for developers. Learn essential commands, automation, Git workflows, file operations, and productivity boosters to revolutionize your development workflow on Linux systems.

Master Linux server administration while building your own private cloud storage solution. Step-by-step guide covering Nextcloud deployment, security hardening, and system optimization.

Master Linux command line from basics to automation. Learn shell navigation, file management, permissions, scripting, and essential daily commands with hands-on projects.

Master Linux automation with comprehensive cron job techniques, from basic scheduling to advanced system administration, security, and troubleshooting practices.

Master essential Linux network services with practical DHCP, DNS, and NAT configuration. Complete guide with real-world examples, security best practices, and troubleshooting.

Master Linux storage management with comprehensive coverage of disk tools, filesystems, partitioning, LVM, RAID, and encryption. Practical guide for system administrators and developers.

Master Linux storage management with hands-on guidance covering disk partitioning, LVM configuration, filesystem management, and advanced troubleshooting techniques.

Master Linux from scratch with this comprehensive beginner's guide. Learn command line, file management, system navigation, and essential Linux skills through practical, step-by-step instructions.

Master Linux from scratch with this hands-on workbook. Learn command line, file management, and system navigation through practical exercises and real-world examples.

Secure Your Linux System with Practical Tips, Tools, and Configurations

Master Linux log management from basics to advanced centralized logging. Practical guide covering syslog, rsyslog, systemd journald, monitoring, and troubleshooting techniques.

Master Linux networking from basics to advanced troubleshooting. Learn essential commands, configuration, DNS management, routing, and firewall setup with hands-on examples.

Master Linux networking from fundamentals to advanced administration. Complete guide covering tools, protocols, security, and automation for professional network administrators.

Master Linux networking from basics to advanced configuration. Complete guide covering network tools, troubleshooting, firewalls, routing, and VPNs for beginners.

Comprehensive guide to hardening Linux authentication systems, enforcing security policies, and preventing unauthorized access with practical PAM configurations and advanced techniques.

Master Linux performance optimization with practical techniques for CPU, memory, disk I/O, and network tuning. Essential guide for system administrators and DevOps engineers.

Master Linux performance optimization with hands-on techniques for CPU, memory, disk I/O, and network tuning. Complete guide with monitoring tools, troubleshooting methods, and automation strategies.

Complete guide to setting up Linux print servers with CUPS. Covers installation, configuration, security, cross-platform sharing, and enterprise deployment for system administrators.

Master Linux security fundamentals with practical guides for system hardening, user management, network protection, and threat detection in production environments.

Master Linux security fundamentals through practical, step-by-step guidance. Learn user management, file permissions, SSH configuration, firewalls, and system hardening for any Linux distribution.

Master Linux system administration from basics to advanced topics. Complete practical guide covering installation, user management, services, networking, security, and troubleshooting.

A comprehensive, hands-on workbook for learning Linux system administration from basics to advanced server management. Includes practical exercises, real-world scenarios, and step-by-step labs.

Linux System Hardening is your comprehensive guide to securing Linux servers and workstations. Learn practical techniques from basic configuration to advanced kernel hardening, container security, and compliance frameworks.

Master Linux security with practical hardening techniques. Comprehensive guide covering user management, network security, monitoring, and maintenance for Linux system administrators.

Master Linux system monitoring with hands-on tools and techniques. From basic commands to enterprise solutions, learn to track, analyze, and optimize performance effectively.

Master Linux terminal fundamentals with this comprehensive beginner's guide covering navigation, file management, and essential shell commands for confident command-line usage.

Master Linux troubleshooting with systematic approaches to diagnose and resolve boot failures, network issues, performance problems, and system errors across all distributions.

Master Linux user management with this comprehensive guide. Learn to create, secure, and manage users and groups effectively. Perfect for system administrators and DevOps professionals.

Master Linux virtualization with KVM and QEMU. Complete guide covering VM management, networking, storage, automation, and enterprise deployment on Linux systems.

Ensuring Application Health and Availability with Kubernetes Health Checks

Tracking Script Activity and Errors for Debugging and Auditing

Automating Repetitive Tasks in Bash

Systems Programming, Memory Safety, and Bare-Metal Development in Rust

Comprehensive guide to detecting, analyzing, and preventing malware threats in Linux environments. Learn practical tools, techniques, and strategies for cybersecurity professionals.

Automate AD Tasks Like a Pro: User Management, Group Policies, and Reporting with PowerShell

A Hands-On Guide to Running, Stopping, Restarting, and Removing Docker Containers Effectively

Automate File System Tasks with Practical PowerShell Scripts and Techniques

Master systemd service management in modern Linux systems. From basic commands to advanced orchestration, this practical guide transforms administrators into service management experts.

Master Linux boot processes from firmware to system initialization. Complete guide to bootloaders, GRUB2, systemd, troubleshooting, and recovery techniques for administrators and developers.

A Hands-On Guide to Finding Vulnerabilities and Securing Web Applications

Mastering File Permissions in Linux: A Practical Guide to Ownership, Access Control, and Secure File Management - Complete handbook for system administrators and developers

Master Linux firewall management with comprehensive iptables and nftables guide. From basics to advanced automation, security best practices, and real-world implementations.

Master Linux file permissions from basics to advanced security. Complete guide covering chmod, ownership, SUID/SGID, troubleshooting, and real-world scenarios for admins.

Master Linux user and group management with practical techniques for system administrators, DevOps engineers, and security professionals. Complete guide to access control.

Master JavaScript loops and conditionals with practical examples, real-world projects, and best practices. Transform your coding skills with this comprehensive guide to control flow.

Master Python virtual environments with venv, virtualenv, and pipenv. Eliminate dependency conflicts, streamline workflows, and build professional Python projects with confidence.

Mastering Allocation, Optimization, and Performance for Real-Time Applications

Harnessing the Power of Proxies, Reflect, and Dynamic Code

A Practical Guide to Gradually Adopting TypeScript in Real-World JavaScript Codebases

A Practical Guide to Measuring, Visualizing, and Alerting on Docker Container Health and Resource Usage

Master Linux system monitoring with 200+ practical one-liner commands. From CPU/memory tracking to custom alerts - instant insights without complex tools. Perfect for sysadmins and DevOps.

Master Linux network monitoring with practical CLI and GUI tools. Learn tcpdump, Wireshark, iptraf-ng, and custom scripting for real-time traffic analysis and troubleshooting.

Track, Analyze, and Automate Performance Metrics Using Built-In PowerShell Tools

Scalable Project Architecture Using TypeScript, Nx, Turborepo, and Yarn Workspaces

A Beginner’s Guide to Navigating and Managing Databases from the Terminal

A Practical Guide to IP Address Planning, Subnetting, and Efficient Network Design

A Practical Guide to Monitoring Network Health, Performance, and Security

A Practical Guide to Diagnosing and Resolving Network Issues Using Industry-Standard Tools

Understand Core Networking Concepts for Beginners and IT Learners

Master Nginx from installation to production with practical guides for configuration, security, performance optimization, and advanced features for modern web infrastructure.

Master Nginx web server deployment, configuration, and optimization on Linux. From basic setup to advanced features like reverse proxy, HTTPS, performance tuning, and automation.

Build Scalable and Maintainable Applications Using OOP Principles in Modern JavaScript

Master Object-Oriented Programming in C# with this comprehensive beginner's guide covering classes, inheritance, polymorphism, SOLID principles, and clean code design.

A Step-by-Step Guide to Classes, Objects, Inheritance, and More

Master Python's object-oriented programming with this comprehensive beginner's guide. Learn classes, inheritance, polymorphism, and design patterns through practical examples and real-world projects.

Understand Network Communication Layers and Their Real-World Applications

A practical guide to implementing OWASP Top 10 security principles in web applications. Real-world examples, code samples, and actionable strategies for developers.

Identify and Fix the Most Critical Web Vulnerabilities with Hands-On Code Demonstrations

Master Linux package management across all major distributions. Learn APT, RPM, Snap, Flatpak, and build your own packages with practical examples and real-world scenarios.

Comprehensive guide to mastering Parrot Security OS for ethical hacking, penetration testing, digital forensics, and privacy protection with hands-on practical examples.

A Practical Guide to Text Manipulation, Extraction, and Processing with PowerShell

Extract, Transform, and Master Complex Data Structures Using Python’s Powerful Parsing Tools

Read, Write, Compress, Encrypt, and Manipulate Complex File Formats with Real-World Python Techniques

Master Inheritance, Composition, Design Patterns, and OOP Best Practices in Python

Master Dynamic, Scalable, and Resilient Data Extraction with Python

Master Event Loops, Coroutines, and Concurrent I/O with Python’s AsyncIO Library

Design Cross-Platform GUI Applications in Python Using Qt Frameworks

Create Modern, Fast, and Secure Web APIs with Python’s Fastest Web Framework

Write Efficient, Scalable Python Code Using Threads, Coroutines, and Parallel Processes

Build, Document, Version, and Distribute Your Python Libraries Like a Pro

Design Expressive Mini-Languages and Internal DSLs Using Python for Real-World Applications

Containerize, Scale, and Manage Python Apps in Production with Docker and K8s

Build Better Software by Applying Proven Object-Oriented Solutions with Python

Design Responsive, Scalable Applications Using Events, Signals, and Asynchronous Patterns

Write Clean, Declarative Code Using Functional Concepts and Python’s Built-In Tools

Write Safer, Smarter Python Code with Type Annotations, mypy, and Modern Typing Techniques

Speed Up Python with Native C Code, Custom Extensions, and Seamless Cython Integration

Build and Orchestrate Scalable Data Workflows Using Python, Airflow, and pandas

Process and Analyze Large-Scale Datasets with Distributed Computing in Python

Automate Builds, Deployments, and Operations Using Python in Modern DevOps Workflows

Understand How Python Handles Memory, Objects, and Garbage Collection Behind the Scenes

Unlock Python’s Full Power by Controlling How Code Behaves at Runtime

Protect Your Code, Applications, and Data by Writing Secure Python from Day One

Build Reliable Python Applications with Test-Driven Development, Mocking, and Clean Test Architecture

Build Practical ML Models with scikit-learn, TensorFlow, XGBoost, and More — Without the Math Overwhelm

Speed Up Your Python Programs with Profiling, Memory Tuning, and Algorithmic Efficiency

Managing Passwords Securely in Linux and Unix Systems for Users, Admins, and Scripts

Simple Scripts to Save Time, Get Organized, and Make Life Easier with Python

Learn to Code by Building Fun and Practical Python Projects Step by Step

Organize, Reuse, and Structure Your Python Code the Right Way

Read, Write, and Work with Files in Python Step by Step with Real-Life Examples

A Beginner’s Guide to Object-Oriented Programming in Python with Clear Examples and Projects

Master Python Sequences with Easy-to-Follow Examples and Practical Exercises

Learn to Break Down Problems, Write Clean Code, and Build Confidence with Python

Learn Classes, Objects, Inheritance, and More with Clear Examples and Practice Projects

Step-by-Step Projects to Master Python Programming Through Real-World Calculators

Master for, while, break, and continue Statements with Clear Examples and Practice

Learn if, elif, else, and Logical Expressions Step by Step with Real-Life Examples

A Beginner’s Guide to Exploring and Working with Data Using Python

Sharpen Your Programming Skills with 100 Beginner-Friendly Python Exercises

Learn How to Store, Access, and Manipulate Key-Value Data in Python with Clear Examples

Learn to Write Robust Python Code Using Try, Except, and Other Exception Techniques

Learn Programming with Fun Projects, Games, and Real Code Examples

Learn to Write Reusable and Clean Python Code Using Functions with Practical Examples

A Beginner’s Guide to Writing Smarter Code with for-Loops, while-Loops, and Logical Thinking

Learn to Work with Text in Python Through Simple, Hands-On Examples

Master Python’s Core Syntax Fast with Clear Examples and Hands-On Practice

Learn to Code by Drawing Shapes, Patterns, and Creative Designs with Python

Understand the Foundations of Python Programming with Clear Examples and Practical Exercises

Build Fun and Easy Games While Learning the Basics of Python Programming

Master User Input and Program Output in Python with Hands-On Examples and Clear Explanations

A Beginner’s Guide to How Python Stores, Tracks, and Manages Your Data

Learn How to Write Readable, Efficient, and Maintainable Python Code from the Start

A Step-by-Step Guide for Beginners to Create and Run Their First Python Program

A Beginner’s Guide to Extracting Data from Websites Using Python

Hands-On Guide to Ethical Hacking Using Real-World Scenarios and the Kali Linux Toolkit

Streamline Your Spreadsheets and Reports Using Python Scripts and Smart Automation

Create User-Friendly Command-Line Applications Using Python’s Standard Library

Create Interactive Desktop Applications with Python’s Standard GUI Toolkit

Discover Powerful Built-in Modules to Write Smarter, Faster, and Cleaner Python Code

Build Real-World Applications Using Classes, Inheritance, and OOP Best Practices

Read, Write, and Manipulate Structured Files Like a Pro with Python

Level Up Your Data Skills by Cleaning, Exploring, and Analyzing Real-World Datasets

Build Real-World Python Applications to Boost Your Skills and Confidence

Scrape Dynamic and Complex Websites with Python’s Most Powerful HTML Parsing and Automation Tools

A Beginner-Friendly Guide to Mastering OOP Concepts in Python with Practical Examples

Write Cleaner, Faster, and More Expressive Python Code with Comprehensions

Write Safer and Cleaner Code by Managing Resources Like a Pro in Python

Master Functions that Modify Functions to Write Clean, Elegant, and Reusable Python Code

Create Isolated Python Workspaces and Manage Packages Like a Pro

Write Safer, Cleaner Code by Managing Exceptions Like a Pro

Boost Productivity with Practical Python Scripts for Files, Folders, Web, and Data

Write Efficient, Elegant, and Memory-Safe Python Code with Lazy Evaluation

Find and Fix Bugs Faster with Effective Logging, Breakpoints, and Diagnostic Tools

A Practical Guide to Structuring Python Projects with Clean, Maintainable Code

Master Pattern Matching to Clean, Extract, and Validate Text Data with Python’s re Module

Master Python Concurrency by Demystifying the Global Interpreter Lock and Thread-Based Parallelism

Build Lightweight, Database-Driven Python Applications with the sqlite3 Module

A Practical Guide to Accessing Web Services, Parsing Data, and Automating Tasks with Python

A Beginner-to-Intermediate Guide to Mastering datetime, timedelta, and Timezone Handling

Build Better Python Programs by Testing with unittest, pytest, and Best Practices

A Practical Guide to Working with PostgreSQL Databases for Application Development

Automate Git Operations and Streamline Version Control with PowerShell Scripts

Mastering Remote Management and Automation Across Systems with PowerShell Remoting

A Step-by-Step Guide to Learning Windows PowerShell from Scratch

Automate User Management, Group Policies, and AD Maintenance with Real-World Scripts

Practice Core Concepts, Automate Tasks, and Build Real-World Skills Through Hands-On Scripting

Automate, Monitor, and Troubleshoot Network Operations Using PowerShell Scripts

Master Scheduled Jobs, Automated Scripts, and System Task Management with PowerShell

Efficient Task Management and Parallel Execution in PowerShell Scripts

Master the Art of Clean Output, Structured Logs, and Readable Reports in PowerShell

Hundreds of Time-Saving Commands for System Admins, Developers, and Power Users

Design Clean, Modular, and Maintainable PowerShell Code for Automation and DevOps

Automate, Manage, and Secure Windows Systems with Real-World PowerShell Scripts

Real-World Strategies to Recognize, Resist, and Respond to Human-Based Cyber Threats

Master Python and SQLite to build lightweight database applications. From basics to complete GUI apps, learn practical database programming with real-world projects.

Complete Python programming guide for absolute beginners. Learn from zero to building your first game with hands-on exercises, practical examples, and step-by-step tutorials.

Best Practices, Refactoring Techniques, and Writing Maintainable Python Code

Master Python decorators with practical examples and advanced patterns. Learn to write clean, reusable code using function wrappers for real-world applications.

Master Python file handling from basics to advanced techniques. Complete guide covering reading, writing, CSV/JSON, pathlib, error handling, and automation with practical projects.

Learn the Fundamentals of Python Programming Through Real-World Examples and Hands-On Practice

Master Python for cybersecurity: automate security tasks, analyze threats, build custom tools. From network scanning to malware analysis, learn practical skills for modern security challenges.

Master Python data parsing with JSON, CSV, and XML. Learn extraction, transformation, and management of structured data through hands-on examples and real-world projects.

Master Linux automation with Python! Learn to streamline system administration tasks using practical scripts, tools, and techniques. Transform repetitive work into efficient automated solutions.

Master network automation with Python. Learn Paramiko, Netmiko, SNMP monitoring, REST APIs, and build production-ready scripts for efficient network management across multi-vendor environments.

Master Python concurrency and multithreading with practical examples. Learn threading, multiprocessing, asyncio, and parallel programming techniques for faster applications.

Master Python one-liners to boost productivity! Learn string processing, data manipulation, file handling, web APIs, and automation with 15 chapters of practical examples.

Master Python programming through 15 hands-on projects including calculator app, weather app, web portfolio, and more. Complete beginner-friendly guide with step-by-step instructions.

Boost Productivity by Automating Spreadsheets with openpyxl, pandas, and xlwings

Master Python web scraping with BeautifulSoup! From basic HTML parsing to advanced techniques, handling JavaScript, avoiding blocks, and building real-world projects.

Controlling Access to Kubernetes Resources with Fine-Grained Permissions

Build Responsive, Event-Driven Apps with RxJS and Modern Patterns

Building Scalable, Event-Driven Applications with RxJS and Observables

Interactive Bash Scripting with read and Arguments

Build, Deploy, and Manage Real Applications Using Docker in Web, API, DevOps, and Cloud Scenarios

Master Python's regex module from basic patterns to advanced applications. Complete guide with real-world examples, performance tips, and integration with popular Python libraries.

Practical Techniques for Extracting, Transforming, and Validating Data with Regular Expressions

Master remote development with SSH and VS Code. Learn secure workflows, advanced configurations, and optimization techniques for distributed teams and cloud environments.

Managing CPU and Memory for Stable, Predictable, and Efficient Workloads

Safely Deploy and Revert Applications in Kubernetes Using Deployments and Strategies

Complete practical guide to configuring Samba servers for seamless Linux-Windows file and print sharing. Covers installation, security, Active Directory integration, and troubleshooting.

A Practical Guide to Replicas, Autoscaling, and High Availability in Kubernetes Clusters

Automating Task Execution in Unix/Linux Systems

Master secure file transfer with SCP and SFTP. Complete guide covering SSH setup, command-line tools, automation, GUI clients, and advanced security for Linux/Windows environments.

Master Python security with practical techniques for building resilient applications. Learn secure coding, input validation, cryptography, and deployment strategies to protect against threats.

A Practical Guide to Remote Access, Tunneling, and Secure File Transfers

Master secure SSH automation for DevOps and infrastructure management. From CI/CD pipelines to distributed operations, learn security-first practices for modern IT workflows.

Master SSH from basics to advanced security configurations. Learn secure remote access, key authentication, server hardening, tunneling, and automation with practical examples.

Master SSH for secure Linux administration, automation, and system hardening. Complete guide from basics to advanced features with practical examples and security best practices.

Secure Shell (SSH) for System Administrators: A Practical Guide to Secure Remote Access, Automation, and Hardening with SSH

Master JavaScript security with practical techniques for building resilient web applications. Learn XSS prevention, secure authentication, API protection, and Node.js security best practices.

A Practical Guide to Container Security, Image Hardening, and Runtime Protection

Best Practices for Hardening Kubernetes from Code to Cluster

SELinux Explained for Beginners: Master Linux Security Policies, Permissions, and Troubleshooting. Transform SELinux from frustration to powerful security tool with practical examples.

A Beginner’s Guide to Exposing Applications in Kubernetes with Services, Ingress Controllers, and Traffic Routing

A comprehensive step-by-step guide to transforming Linux systems into powerful network routers, covering setup, configuration, security, and advanced routing features for all skill levels.

Complete guide to setting up Postfix mail servers on Linux. Covers installation, configuration, security, DNS setup, user management, and integration with Dovecot and webmail solutions.

Organizing and Optimizing Bash Scripts for Maintainability

Organizing and Optimizing Bash Scripts for Maintainability

Master shell scripting for DevOps automation, infrastructure provisioning, system monitoring, and CI/CD pipeline integration with practical examples and real-world scenarios.

Automating Updates, Monitoring, Backups, and Health Checks on Linux Servers

A Practical Guide to Understanding and Using Data Types in Relational Databases

Master SQL from scratch with this comprehensive beginner's guide. Learn database querying, data manipulation, and essential SQL skills through hands-on examples and practical projects.

Master Built-In SQL Functions, Expressions, and Data Manipulation Techniques Across All Major Databases

Comprehensive guide to preventing SQL injection attacks in web and desktop applications. Master defensive coding, input validation, and security testing across major programming languages.

Mastering Data Manipulation Statements for Real-World Database Operations

Master SQL joins with practical examples. Complete guide covering INNER, OUTER, and CROSS joins for beginners and developers. Includes real-world scenarios and hands-on exercises.

A Practical Guide to Lightweight Database Integration for Desktop, Mobile, and Embedded Software

Master SSH and secure remote access in Linux.

Extracting, Modifying, and Analyzing Text in Shell Scripts

Master SQL subqueries for advanced data retrieval, filtering, and aggregation. Learn nested SELECTs, correlated queries, EXISTS operators, and performance optimization techniques.

Complete guide to mastering systemd - from basic service management to advanced performance optimization, security, and troubleshooting for Linux systems.

A Developer’s Guide to Docker Image Tagging Strategies, Semantic Versioning, and Automation in CI/CD

A Practical Guide to Writing Fast, Reliable, and Maintainable Tests

A Complete Guide to Writing Reliable, Type-Safe Unit, Integration, and End-to-End Tests

Master Linux network troubleshooting with systematic methods to diagnose and fix Wi-Fi and Ethernet issues. Covers essential tools, drivers, and real-world scenarios.

Mastering Smart Typing and Code Reusability for Cleaner TypeScript Projects

A Practical Guide to Manipulating the DOM Safely and Effectively with TypeScript

A Practical Transition Guide to Strong Typing, Interfaces, and Scalable Code

Master TypeScript: A comprehensive guide transforming JavaScript developers into type-safe programmers. Learn annotations, interfaces, generics, and practical migration strategies.

Master Function Typing, Optional Arguments, and Flexibility in TypeScript Code

Building Scalable, Type-Safe Applications from Frontend to Backend

Build Type-Safe APIs and Web Applications Using Express and TypeScript

Mastering System Identification and Kernel Information in Linux and Unix Environments

A Beginner’s Guide to Core Internet Protocols and Network Diagnostics

A Practical Guide to Building, Running, and Managing Containers with Docker

A Beginner’s Guide to the Protocols That Power the Web

A Beginner’s Guide to How Data Moves Across Networks

A Practical Guide to Managing Workloads in Kubernetes with Pods, Deployments, and ReplicaSets

Mastering Static Typing for Safer and More Reliable JavaScript Code

Master JavaScript fundamentals with this comprehensive guide to variables and data types. From basic declarations to advanced concepts, build the foundation for all JavaScript development.

Master Python unit testing with practical examples using unittest and pytest. Learn TDD, mocking, CI/CD integration, and best practices for reliable code.

A Step-by-Step Guide to Learning Shell Commands, Writing Scripts, and Automating Tasks in Unix-Based Systems

A Practical Guide to Integrating Docker into Your Daily Development Environment

Leverage Enums and Tuples for Safer, Structured, and More Expressive TypeScript Code

Master Fail2Ban: Complete guide to protecting Linux servers from brute-force attacks and intrusions with practical configurations, advanced features, and real-world security strategies.

Master grep, sed, and awk through practical examples. Essential Linux text processing guide for system administrators, developers, and data professionals.

Master the Command-Line Tool for Managing Kubernetes Clusters Like a Pro

A Practical Guide to Hosting, Managing, and Accessing Private Docker Registries for Teams and Enterprises

A Practical Guide to Integrating SQL and Python for Lightweight Database Applications

Storing, Passing, and Managing Data in Your Bash Scripts

A Comprehensive Manual for Mastering the view Command in Linux/Unix Environments – From Basics to Power Usage

A Beginner’s Guide to Network Segmentation and Layer 2 Switching

A Practical Guide to Managing Data with Kubernetes Volumes, Persistent Volumes, and Storage Classes

A Beginner’s Guide to Understanding, Setting Up, and Using Virtual Private Networks

Complete guide to setting up OpenVPN and WireGuard VPN servers on Linux. Step-by-step instructions, security hardening, firewall integration, and real-world deployment scenarios.

Master webhook implementation in C# and .NET.

Learn Network Traffic Analysis, Packet Inspection, and Troubleshooting from Scratch

Master Network Traffic Inspection and Troubleshooting Using the World’s Leading Packet Analyzer

Master API integration in Python with practical examples, real-world projects, and professional techniques for consuming RESTful services using requests library and advanced tools.

A Practical Guide to Writing Cleaner, Faster, and More Expressive JavaScript

Creating, Reading, Writing, and Managing Files in Bash

Master Object-Oriented and Structural Typing for Scalable TypeScript Projects

A Practical Guide to Consuming Web Services and Managing Data with Modern JavaScript

Efficient Data Parsing, Manipulation, and Automation with Structured Data in PowerShell

Query, Manipulate, and Store JSON Data in Relational Databases

Master SQL SELECT statements from basics to advanced queries. Learn filtering, sorting, aggregation, and real-world database querying techniques for beginners.

Extend Network Scanning with Powerful NSE Scripts for Security Audits and Automation

Best Practices for Building Clean, Modular, and Future-Proof Applications

Build Modular, Maintainable, and Scalable Scripts with Function-Based Scripting

Protecting Your Applications from Common Threats with Secure Coding Practices

A Beginner’s Guide to Learning Unix Commands, Building Scripts, and Automating Everyday Tasks