A comprehensive guide to productionizing AI solutions, primarily focusing on cloud-based deployments using Python. It begins by defining key AI concepts and the current landscape, then transitions into practical aspects like data ingestion, AI pipelines, and data wrangling. The text covers various machine learning and deep learning techniques, emphasizing their implementation on cloud platforms such as AWS, Azure, and Google Cloud, along with discussions on AutoML/AutoAI tools and the developmen...
Jan 29, 2026•29 min
Focusing on best practices for developing various applications. It covers fundamental Spring Boot concepts such as auto-configuration, dependency management (Gradle), and application properties, demonstrating their usage in web development, data access (SQL, JPA, MongoDB, Redis), and reactive programming. The text also explores advanced topics including Spring Security (OAuth2), messaging with JMS and AMQP (RabbitMQ), Spring Boot Actuator for monitoring and observability (metrics, logs, tracing)...
Jan 28, 2026•41 min
A practical guide for automating IT systems and processes using PowerShell. It introduces fundamental scripting concepts such as variables, conditional statements (If/Else, Switch), and loops, illustrating their application with clear examples. The material then progresses to more advanced topics including date and log management, various methods for script input (CSV, text files, user prompts, GUI), and the crucial role of PowerShell modules. The book culminates by exploring email-based alertin...
Jan 27, 2026•24 min
A comprehensive examination of software testing methodologies and principles. The text covers foundational concepts like discrete mathematics and graph theory for testers, progresses through various test case identification techniques such as boundary value analysis and equivalence class testing, and discusses code-based testing metrics including cyclomatic complexity and data flow analysis. It also explores life cycle–based testing models, emphasizing object-oriented and system-level testing, a...
Jan 26, 2026•33 min
A comprehensive guide to system administration, focusing on Virtual Private Servers (VPS). It meticulously covers topics from understanding what a VPS is and selecting a provider to basic Linux administration via both command line and graphical interfaces like Webmin. The text also explores crucial aspects of server security, including file permissions and firewalls, and explains backup strategies and disaster recovery. Furthermore, it provides detailed instructions for installing and managing s...
Jan 25, 2026•26 min
A comprehensive, multi-volume exploration of the Android operating system from the perspective of a power user or administrator. It meticulously details Android's design, filesystem structure, boot sequence, and native services, emphasizing its Linux foundations without requiring code knowledge. The book covers partition management, the /init process for system startup, and the role of various daemons and services. Furthermore, it tracks the evolution of Android versions, discusses its architect...
Jan 24, 2026•32 min
A comprehensive examination of 5G mobile core networks. The text covers architectural design principles, detailing core network functions (NFs) and their interactions, alongside deployment strategies for both Non-Standalone (NSA) and Standalone (SA) 5G networks. It also addresses crucial aspects of automation within the 5G packet core, outlining various approaches for testing strategies, including functional, non-functional, and security testing. Furthermore, the book explores Multi-Access Edge ...
Jan 23, 2026•17 min
Focuses on the technical specifications and applications of Narrowband Internet of Things (NB-IoT) within 5G LTE cellular networks. The text explains the underlying protocol stack and architecture of NB-IoT, detailing layers such as the Radio Resource Control (RRC) sublayer, Packet Data Convergence Protocol (PDCP) sublayer, Radio Link Control (RLC) sublayer, Medium Access Control (MAC) sublayer, and Physical (PHY) sublayer. It explores key operational aspects including RRC modes (IDLE and CONNEC...
Jan 22, 2026•18 min
Focusing on optimizing command-line usage. It covers configuring and customizing Windows Terminal, including its UI, settings, and key bindings. The book also explains how to integrate and enhance various shells like PowerShell, Ubuntu (via WSL2), and Git Bash, offering tips for expert use and appearance modifications. Furthermore, it details advanced workflows for development, DevOps, and cloud management, showcasing how to build web applications, connect to remote systems (SSH, WinRM), and uti...
Jan 21, 2026•27 min
Functions as an in-depth resource for network and security professionals on using the powerful Nmap security tool. The text covers various Nmap scanning techniques, including stealth, version detection, and OS fingerprinting, explaining their operational mechanics and practical applications. It also details advanced features such as firewall evasion, output formats, timing options, and running Nmap in different operating systems like Windows and Linux. Throughout the book, fundamental networking...
Jan 20, 2026•29 min
Focuses on effectively integrating Ember Data with various API structures. The text covers Ember Data's core architecture, including the store, adapters, and serializers, and explains their roles in data access, caching, and formatting. Readers will learn about different built-in adapters and serializers like RESTAdapter, JSONAPIAdapter, JSONSerializer, and RESTSerializer, understanding their expected API payload formats. A significant portion of the material is dedicated to customizing adapters...
Jan 19, 2026•21 min
A comprehensive guide to web scraping techniques for data scientists. It covers foundational concepts like HTTP, HTML, and CSS, detailing how web browsers interact with servers and display content. The text explores practical applications using Python libraries such as requests, BeautifulSoup, and Selenium, demonstrating how to extract data from various websites, handle JavaScript, and implement web crawling strategies. Furthermore, the source addresses crucial managerial and legal consideration...
Jan 18, 2026•18 min
A comprehensive guide for forensically investigating and analyzing mobile devices, primarily focusing on iOS, Android, and Windows Phone operating systems. It covers fundamental concepts of mobile forensics, including evidence acquisition, preservation, and documentation, while acknowledging the inherent challenges presented by mobile platform security features like encryption and sandboxing. The book details various data extraction techniques, ranging from logical and physical acquisitions to s...
Jan 17, 2026•27 min
An extensive technical guide for managing various network services within a Linux environment, with a strong emphasis on directory services and interoperability with Windows systems. It thoroughly explains the installation, configuration, and troubleshooting of OpenLDAP, detailing aspects like securing connections with TLS, access control, and integration with PAM and NSS for user authentication. A significant portion covers Samba, outlining its use for file and print sharing, acting as a Primar...
Jan 16, 2026•14 min
A comprehensive guide to securing network environments within Microsoft Azure. It details the capabilities of key Azure network security components like Azure Firewall, Web Application Firewall (WAF), and DDoS Protection Standard, while also providing recommendations for their effective integration. The book explores various network architectures such as hub-and-spoke and Virtual WAN, emphasizes best practices for secure design and implementation, and addresses current cybersecurity threats and ...
Jan 15, 2026•21 min
A comprehensive guide to securing Linux systems. The author, an experienced Linux professional and trainer, details practical, hands-on techniques for enhancing system security. Topics covered include user account management and privilege control (sudo), configuring firewalls (iptables, nftables, firewalld), and implementing robust encryption methods (GPG, LUKS, SSL/TLS). The book also explores advanced access control mechanisms like SELinux and AppArmor, kernel hardening, and process isolation ...
Jan 14, 2026•19 min
Offers an in-depth resource for individuals preparing for the LPIC-1 certification exam. The text covers a wide array of Linux system administration topics, including command-line tools, file management, software and process administration, hardware configuration, boot processes, graphical user interfaces (GUIs), user and group management, email and logging, networking, and system security. Each chapter addresses specific exam objectives, detailing commands, utilities, configuration files, and f...
Jan 13, 2026•19 min
Provides practice tests and study material for the LPIC-1 Linux Professional Institute Certification, specifically addressing exams 101-500 and 102-500. It covers a wide range of Linux system administration topics, including system architecture, installation and package management, GNU and UNIX commands, filesystems and device management, shell scripting, user interfaces, administrative tasks, essential system services, networking fundamentals, and security. The content is structured with exam o...
Jan 12, 2026•19 min
A comprehensive guide to Linux, focusing on certification and practical administration. It covers fundamental Linux concepts like filesystems, shell commands, and process management, alongside advanced topics such as network configuration, server deployment, and cloud technologies. The text also addresses security, troubleshooting, and performance monitoring within Linux environments, providing hands-on examples and detailed explanations of various utilities and configurations. It serves as a re...
Jan 11, 2026•25 min
A detailed guide for aspiring and experienced digital forensic investigators, covering a broad spectrum of topics essential to the field. It begins by introducing various types of computer-based investigations, from criminal to corporate, and then explains the meticulous forensic analysis process, including workstation setup, software, and evidence acquisition. The book further explores the intricacies of computer investigation procedures, such as timeline and media analysis, focusing heavily on...
Jan 10, 2026•29 min
An official textbook for individuals pursuing careers in network administration or seeking to enhance their professional knowledge. The book comprehensively covers fundamental networking concepts, beginning with an overview of network types, topologies, and basic connectivity, and progressing to detailed explanations of protocols and models like TCP/IP and OSI. It further explores physical layer components, including various cabling types and wireless media, before addressing IP addressing schem...
Jan 09, 2026•19 min
A rigorous, introductory treatment of modern cryptography, focusing on definitions, precise assumptions, and proofs of security as distinguishing features from classical cryptography. It explores private-key encryption in depth, covering concepts like chosen-plaintext attacks (CPA-security) and chosen-ciphertext attacks (CCA-security), along with practical modes of operation like CBC and CTR. The text then transitions to message authentication codes (MACs), emphasizing message integrity against ...
Jan 08, 2026•16 min
A hands-on introduction to compiler construction, emphasizing Java technology and software engineering principles. It guides readers through the process of building and extending a real, functional Java compiler for a Java subset called "j--". The material covers fundamental compiler phases, including lexical analysis (scanning), parsing (syntax-directed recursive descent using JavaCC), semantic analysis (type checking and symbol tables), and code generation for both the Java Virtual Machine (JV...
Jan 07, 2026•18 min
A comprehensive guide to deep learning for web development, specifically with Python. It covers the foundational concepts of machine learning and neural networks, including various types like CNNs and RNNs, and essential terminology such as bias, variance, overfitting, and underfitting. The sources provide practical instruction on building and deploying deep learning web applications using frameworks like Flask and Django, integrating with cloud platforms such as AWS, Google Cloud Platform, and ...
Jan 06, 2026•18 min
A detailed guide to web hacking, IT security, and ethical hacking practices. It systematically explores a wide array of vulnerabilities and attack methodologies common to web applications, alongside corresponding defense techniques. The document is structured to educate readers on fundamental web technologies, popular hacking tools, and practical lab exercises using virtual machines. Furthermore, it emphasizes the importance of continuous learning in the ever-evolving field of cybersecurity and ...
Jan 05, 2026•20 min
Functions as an all-in-one exam guide for the GPEN certification, covering essential penetration testing methodologies and tools. It includes detailed chapters on reconnaissance, initial access, execution, and reporting, with specific sections dedicated to the Metasploit Framework and PowerShell Empire. The guide emphasizes practical application through numerous labs, focusing on exploiting vulnerabilities, achieving persistence, escalating privileges, and evading antivirus detection in both Win...
Jan 04, 2026•20 min
A practical guide for intermediate-to-advanced JavaScript developers. It focuses on using the RxJS library to build asynchronous, event-driven web applications, particularly with Angular and NestJS. The book provides numerous real-world solutions and recipes covering topics like error and side effect handling, UI building, performance optimization, state management, and real-time application development including microservices and offline-first strategies. It emphasizes testing RxJS applications...
Jan 03, 2026•19 min
A practical resource for web developers looking to deepen their understanding of React. Authored by Maximilian Schwarzmüller, a prominent online instructor, the book covers a wide array of topics crucial for building modern user interfaces, including components, JSX, state management, event handling, styling, routing with React Router, and advanced concepts like side effects and performance optimization. It progresses from fundamental React principles and comparing React to "Vanilla JavaScript" ...
Jan 02, 2026•34 min
Explores the multifaceted world of interacting with and optimizing large language models (LLMs) and generative AI for both text and image creation. It covers fundamental prompt engineering principles, such as giving clear instructions, specifying output formats, and providing examples, alongside advanced techniques like text style unbundling and task decomposition. The material also details the use of frameworks like LangChain for building complex AI applications, introduces vector databases for...
Jan 01, 2026•33 min
A quick syntax reference for C++20, offering a comprehensive overview of the language's core features and functionalities. It covers fundamental programming concepts such as variables, data types, operators, and control flow (loops and conditionals). The text also explores object-oriented programming principles including classes, constructors, inheritance, and access levels, alongside advanced topics like pointers, smart pointers, templates, and exception handling. Additionally, the guide addres...
Dec 31, 2025•20 min
