Filter by:
Featured IT Books
6 books
π Free IT Knowledge Base & Tutorials
24 Comprehensive Guides
π Python Programming
Python Programming: From Basics to OOP & Automation
Variables, comprehensions, OOP architecture patterns, and runnable automation scripts.
Read Full Tutorial β
π Networking / CCNA
CCNA Switching: VLANs, 802.1Q Trunks & STP Guide
VLAN segmentation, trunk encapsulation, Spanning Tree loop prevention, and Cisco CLI commands.
Read Full Tutorial β
π€ AI Engineering
AI Engineering Roadmap 2027: From Python to LLMs & RAG
Complete career path covering PyTorch deep learning, RAG pipelines, and MLOps deployment.
Read Full Tutorial β
π₯οΈ IT Support
IT Support L1/L2 Troubleshooting Playbook & Active Directory
Windows CLI tools, Active Directory unlock workflows, and real ticket diagnostic scenarios.
Read Full Tutorial β
βΈοΈ Cloud & DevOps
Practical Kubernetes & Docker: From Containers to Clusters
Multi-stage Dockerfiles, K8s Pods, Deployments, Services, and essential kubectl CLI commands.
Read Full Tutorial β
π§ Git & Version Control
Git & GitHub Complete End-to-End Workflow Guide
Master branching, merging, rebasing, resolving merge conflicts, and team collaboration workflows.
Read Full Tutorial β
π§ Linux & SysAdmin
Linux Command Line & Bash Scripting Master Guide
Filesystem FHS, octal permissions, grep/awk log pipelines, systemd services, and automation scripts.
Read Full Tutorial β
π‘οΈ Cybersecurity & Defense
Cybersecurity & Ethical Hacking: Network Defense Fundamentals
CIA triad, modern threat vectors, firewalls, IDS/IPS mechanics, Zero Trust, and Nmap auditing tools.
Read Full Tutorial β
ποΈ Databases & SQL
SQL & Relational Database Design: Schema to High Performance
Relational schema design, 1NF to 3NF normalization, complex multi-table joins, B-Tree indexes & ACID transactions.
Read Full Tutorial β
βοΈ Cloud Computing
AWS Cloud Fundamentals & Core Architecture Masterclass
AWS Regions & AZs, EC2 compute families, S3 vs EBS storage tiers, VPC subnets, and IAM security best practices.
Read Full Tutorial β
π» Hardware & Assembly
Custom PC Building, Hardware Architecture & Component Checklist
CPU/motherboard sockets, DDR5 dual-channel memory, PCIe 5.0 NVMe, PSU sizing & POST diagnostic LEDs.
Read Full Tutorial β
π Full-Stack Web
Modern Full-Stack Web Development: Architecture, CSS Grid & REST APIs
Semantic HTML5, CSS Flexbox and Grid, modern JavaScript ES6+ async/await, and RESTful API contracts.
Read Full Tutorial β
π€ Generative AI & LLMs
Prompt Engineering & Generative AI for Developers: Advanced Techniques
Zero-shot vs few-shot learning, Chain-of-Thought (CoT) reasoning, structured JSON schemas, and RAG pipelines.
Read Full Tutorial β
π Ethical Hacking & AppSec
Web Application Penetration Testing & OWASP Top 10 Security Guide
SQL Injection, XSS, CSRF, IDOR vulnerabilities, Burp Suite intercepting proxy analysis, and defense.
Read Full Tutorial β
π± Mobile Development
Cross-Platform Mobile App Development with Flutter & Dart
Reactive UI widgets, Dart sound null safety, Riverpod/Bloc state management, and Impeller engine architecture.
Read Full Tutorial β
π³ DevOps & Containers
Docker Containerization & Microservices Architecture Guide
OCI containers vs VMs, multi-stage Dockerfile builds, Docker Compose orchestration, and rootless security.
Read Full Tutorial β
π Data Science & ML
Python Data Science & Machine Learning Pipeline Guide
NumPy vectorized computation, Pandas tabular wrangling, Matplotlib visualization, and Scikit-Learn predictive modeling.
Read Full Tutorial β
π CI/CD & Automation
CI/CD Automation with GitHub Actions & Cloud Deployments
Continuous integration triggers, YAML workflow syntax, build matrices, Docker registry push, and automated releases.
Read Full Tutorial β
πΆ Wireless Networking
Enterprise Wi-Fi Architecture & Wireless Networking Standards
RF frequency spectrum (2.4/5/6 GHz), Wi-Fi 6E/7 (802.11ax/be), WPA3-SAE encryption, and fast roaming protocols.
Read Full Tutorial β
π€ Artificial Intelligence & LLMs
Running Local AI & LLMs with Ollama & DeepSeek on Your PC
Zero subscription fees, offline privacy, DeepSeek-R1 and Llama 3 deployment, GPU acceleration, and Python API.
Read Full Tutorial β
π‘οΈ Cybersecurity & Ethical Hacking
Ethical Hacking & Penetration Testing Guide: Kali Linux & Metasploit
Network reconnaissance with Nmap, Metasploit exploitation, password audits with Hydra, and defensive hardening.
Read Full Tutorial β
π Enterprise Networking
Enterprise MikroTik RouterOS & Cisco Network Routing Mastery
Winbox setup, hardware bridge offload, 802.1Q VLAN trunking, dynamic OSPFv2, and stateful firewall NAT rules.
Read Full Tutorial β
β‘ Backend Engineering & Python
Production REST APIs with Python FastAPI & Docker
High-speed async endpoints, Pydantic v2 schemas, multi-stage Docker builds, and production container orchestration.
Read Full Tutorial β
ποΈ Database Engineering
Modern PostgreSQL & Relational Database Architecture Guide
Relational schema constraints, B-Tree vs. GIN indexing, EXPLAIN ANALYZE query tuning, and automated WAL backups.
Read Full Tutorial β