Archives

Earlier writing and projects remain available here for reference. The main pages are reserved for the work that best represents what I am exploring now.

Archived writing

Tutorials, surveys, and earlier technical notes.

11-20 of 28

2024

  1. Moving Beyond Bash Scripting

    Practical Linux automation beyond shell syntax, covering schedules, text processing, logs, networking, services, and containers.

  2. Common Misinterpretations in Computer Networks

    A plain-language guide to networking terms that are often confused, including addresses, protocols, devices, and troubleshooting tools.

  3. Is Linux A Kernel Or OS

    What Linux, a Linux distribution, the kernel, user space, and Bash each mean—and why people often use the same word for different layers.

  4. Bash Scripting

    Bash (Bourne Again SHell) is one of the most widely used command-line interfaces and scripting languages in Unix-like operating systems.

  5. OSI Model - Practical Layer-by-Layer Exploration

    A practical guide to using the OSI model for troubleshooting, with examples that show where real protocols and tools fit.

  6. Git and GitHub - A Brief Overview

    A practical overview of Git, GitHub, and the commands used to track, share, inspect, and recover changes.

  7. Cybersecurity Frameworks and Standards

    How NIST CSF, ISO 27001, CIS Controls, PCI DSS, SOC 2, HIPAA, and GDPR differ—and how to use them without checkbox security.

  8. Internet of Things (IoT) Security

    A lifecycle approach to IoT security, from inventory and device identity to updates, segmentation, privacy, and safe retirement.

  9. Incident Response and Disaster Recovery

    How to prepare for security incidents, preserve evidence, contain harm, restore service, communicate clearly, and improve afterward.

  10. Cloud Security - Advanced Strategies

    Advanced cloud security for identity, policy as code, workloads, software supply chains, confidential computing, and resilient operations.