Episodios

  • Practical Julia: A Hands-On Introduction for Scientific Minds
    May 14 2025
    This Book provides a comprehensive introduction to the Julia programming language, designed particularly for scientists and engineers. It covers foundational concepts like data types, operators, control flow (loops and conditionals), and functions, along with more advanced topics such as multiple dispatch, metaprogramming, plotting, and working with various data structures. The text also explores Julia's application in specific scientific domains, including physics simulations (using Oceananigans and DifferentialEquations), statistics (with DataFrames and StatsPlots), biology (agent-based modeling), and signal/image processing, highlighting the language's composability and efficiency for numerical and scientific computing. It also touches on topics like unit handling (Unitful), symbolic mathematics (Symbolics and SymPy), and techniques for concurrency and parallelism.

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    25 m
  • Practical Ansible: Learn how to automate infrastructure, manage configuration, and deploy applications
    May 14 2025
    These excerpts provide an in-depth look at Ansible automation, detailing fundamental concepts and practical applications. Key areas covered include installing and configuring Ansible, managing inventories, and creating playbooks and roles. The text also explains how to work with modules and plugins, build collections, and utilize command-line arguments and variables. Advanced topics like conditional logic, debugging, and integrating with cloud platforms such as AWS, Azure, GCP, and OpenStack are also explored, alongside methods for version control and best practices for coding. Furthermore, the document introduces AWX and execution environments for scaling and managing automation.

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    26 m
  • Offensive Countermeasures: The Art of Active Defense
    May 12 2025
    This excerpt explores "Offensive Countermeasures - The Art Of Active Defense," a publication challenging traditional passive cybersecurity methods. The author, John Strand of Black Hills Information Security, advocates for proactive defensive strategies, arguing that current approaches are often inadequate. The text discusses legal considerations and case studies related to "hacking back," emphasizing the need for careful, legal actions and avoiding illegal retaliatory strikes like denial-of-service attacks. It highlights the importance of attribution in understanding attackers and details various tools and techniques for active defense, such as honeypots, web traps, and methods for identifying attacker locations and activity. Ultimately, the book aims to initiate a broader discussion on implementing offensive tactics within a defensive framework to create a less favorable environment for attackers.

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    23 m
  • Microsoft Defender for Cloud
    May 12 2025
    This Book appears to be a technical guide to Microsoft Defender for Cloud, providing an in-depth look at its features and capabilities. It discusses topics such as the current threat landscape, planning for and onboarding to the service, and managing security posture through policy enforcement and recommendations. The text also explains how Defender for Cloud provides threat detection across various workloads and integrates with other security tools, while highlighting methods for accessing data via APIs and deploying the service at scale.

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    15 m
  • Professional JavaScript for Web Developers
    May 11 2025
    This technical Book explores various aspects of JavaScript for web development. It covers fundamental concepts like data types, operators, variables, and functions, including modern additions like block scope with let and const and arrow functions. The text also details complex topics such as prototype-based inheritance, promises and async/await for asynchronous programming, and various JavaScript APIs like Fetch, Web Workers, Service Workers, and Clipboard access. Additionally, it discusses the Browser Object Model (BOM) and Document Object Model (DOM), including working with elements, attributes, styles, and events, as well as error handling and debugging techniques. Finally, the text touches on data serialization using JSON and different approaches to module patterns in JavaScript.

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    58 m
  • Mastering Linux Security and Hardening: A practical guide to protecting your Linux system from cyber attacks
    May 11 2025
    This compilation of excerpts provides a comprehensive guide to Linux system security and hardening. It covers fundamental topics such as configuring virtual environments with VirtualBox for testing security measures, including networking setup and snapshot creation. The material explores essential security practices like managing user accounts and enforcing password policies, and also discusses using firewalls (UFW, firewalld, iptables, nftables) to protect servers. Additionally, the text examines encryption technologies (GPG, LUKS, eCryptfs, OpenSSL), methods for securing SSH access by disabling root logins and using key-based authentication, and implementing mandatory access control systems (SELinux, AppArmor). Finally, it addresses scanning, auditing, and malware detection using tools like OpenSCAP, auditd, and antivirus programs, along with procedures for system-level security, including bootloader protection.


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    28 m
  • Mastering Python Networking: Utilize Python packages and frameworks for network automation, monitoring, cloud, and management
    May 10 2025
    Introduce Python as a powerful and versatile tool for modern network engineering tasks. They discuss fundamental networking concepts like the OSI model, TCP/IP, and network components while highlighting the limitations of traditional command-line interfaces. The content transitions to programmatic network device management using APIs, showcasing examples with major vendors like Cisco, Juniper, and Arista, alongside open-source options. Furthermore, the sources cover network automation frameworks like Ansible, the use of Docker containers for testing and application deployment, and techniques for network security and monitoring using Python libraries and tools such as Scapy, SNMP, NetFlow, and Graphviz. The latter part of the text focuses on cloud networking with AWS and Azure, the importance of version control with Git/GitHub/GitLab, and the principles of test-driven development in network environments.

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    31 m
  • JavaScript for Web Developers: Understanding the Basics
    May 10 2025
    This Book focuses on JavaScript for web development, beginning with foundational concepts like variables, data types, functions, and using browser developer tools. It progresses through practical applications by guiding the reader in building interactive projects, such as a simple guessing game and a slide show, to illustrate manipulating HTML elements and handling events. Later sections explore working with web forms, integrating with CSS for styling and animations, and implementing dynamic content loading using Ajax. The material also touches on essential practices like code organization, refactoring, and handling errors, offering guidance on setup and further learning resources.

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    41 m
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