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Archive

April 2025

9 posts
Asset Security: Understanding Risks, Threats, and Vulnerabilities in a Digital World Asset Security: Understanding Risks, Threats, and Vulnerabilities in a Digital World
Cybersecurity

Asset Security: Understanding Risks, Threats, and Vulnerabilities in a Digital World

Apr 28, 2025 5 min read
Mastering OpenSSH: Secure Remote Access Made Simple Mastering OpenSSH: Secure Remote Access Made Simple
Cybersecurity

Mastering OpenSSH: Secure Remote Access Made Simple

Apr 16, 2025 6 min read
From Clicks to Code: Mastering VM Deployment in VirtualBox From Clicks to Code: Mastering VM Deployment in VirtualBox
Virtualization

From Clicks to Code: Mastering VM Deployment in VirtualBox

Apr 11, 2025 7 min read
Understanding IPv6: Addressing the Future of the Internet Understanding IPv6: Addressing the Future of the Internet
Networking Fundamentals

Understanding IPv6: Addressing the Future of the Internet

Apr 08, 2025 8 min read
Hands-On Guide to Linux User and Group Management Hands-On Guide to Linux User and Group Management
Command Line Tools

Hands-On Guide to Linux User and Group Management

Apr 07, 2025 9 min read
Secure Your Linux Server with Firewalld – A Practical Overview Secure Your Linux Server with Firewalld – A Practical Overview
Cybersecurity

Secure Your Linux Server with Firewalld – A Practical Overview

Apr 05, 2025 8 min read
Understanding Proxy Servers: Security, Performance, and Best Practices Understanding Proxy Servers: Security, Performance, and Best Practices
Cybersecurity

Understanding Proxy Servers: Security, Performance, and Best Practices

Apr 03, 2025 6 min read
UFW for Beginners: Firewall Security Without the Complexity UFW for Beginners: Firewall Security Without the Complexity
Cybersecurity

UFW for Beginners: Firewall Security Without the Complexity

Apr 02, 2025 7 min read
iptables Essentials: A Beginner's Guide to Network Security iptables Essentials: A Beginner's Guide to Network Security
Networking Fundamentals

iptables Essentials: A Beginner's Guide to Network Security

Apr 01, 2025 6 min read
About the Author
Jose C. Mendez

Jose C. Mendez

Platform & Security Engineer

Taguig, Metro Manila

With over a decade of hands-on experience in IT infrastructure, security, and automation — I document real-world solutions across DevOps tooling, network security, Linux administration, and ethical hacking. Because the best notes are the ones you publish.

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Recent Posts
  • GitLab Free Container Registry: Private Docker Images Without Self-Hosting a Registry
    GitLab Free Container Registry: Private Docker Images Without Self-Hosting a Registry Sep 13, 2026
  • After NixOS Install: The Best Practices You Should Know Before Touching Anything
    After NixOS Install: The Best Practices You Should Know Before Touching Anything Sep 12, 2026
  • The Unicorn Took the Afternoon Off: GitHub Outages and Why Your Next Repo Belongs to You
    The Unicorn Took the Afternoon Off: GitHub Outages and Why Your Next Repo Belongs to You Sep 11, 2026
  • Passkeys in Action: A Hands-On Walkthrough with the Passkey Demo
    Passkeys in Action: A Hands-On Walkthrough with the Passkey Demo Sep 10, 2026
  • Sandboxing on Linux: The Real Security Differences Between Flatpak, Snap, and AppImage
    Sandboxing on Linux: The Real Security Differences Between Flatpak, Snap, and AppImage Sep 09, 2026
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