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Archive

August 2025

29 posts
Secure Your Homelab: An OPNsense Configuration Deep Dive Secure Your Homelab: An OPNsense Configuration Deep Dive
IT Best Practices

Secure Your Homelab: An OPNsense Configuration Deep Dive

Aug 17, 2025 8 min read
Secure Your Homelab: Installing OPNsense as a Virtual Firewall Secure Your Homelab: Installing OPNsense as a Virtual Firewall
Networking Fundamentals

Secure Your Homelab: Installing OPNsense as a Virtual Firewall

Aug 17, 2025 6 min read
Stopping WordPress Spam at the Source: A Caddy Server Approach Stopping WordPress Spam at the Source: A Caddy Server Approach
Cybersecurity

Stopping WordPress Spam at the Source: A Caddy Server Approach

Aug 15, 2025 3 min read
Mastering the Shell: A Guide to sed, cat, and echo for Admins Mastering the Shell: A Guide to sed, cat, and echo for Admins
Cybersecurity

Mastering the Shell: A Guide to sed, cat, and echo for Admins

Aug 14, 2025 4 min read
Fixing Missing Emojis in Debian and Other Linux Distros Fixing Missing Emojis in Debian and Other Linux Distros
IT Fundamentals

Fixing Missing Emojis in Debian and Other Linux Distros

Aug 13, 2025 2 min read
Dig Command Cheat Sheet – Mastering DNS Queries Like a Pro Dig Command Cheat Sheet – Mastering DNS Queries Like a Pro
Cheat Sheet

Dig Command Cheat Sheet – Mastering DNS Queries Like a Pro

Aug 13, 2025 2 min read
Grep Command Cheat Sheet – Supercharge Your Productivity Grep Command Cheat Sheet – Supercharge Your Productivity
Cheat Sheet

Grep Command Cheat Sheet – Supercharge Your Productivity

Aug 11, 2025 3 min read
libvirt Networking: How to Create a VM Network with No Host or Internet Access libvirt Networking: How to Create a VM Network with No Host or Internet Access
Linux Tips

libvirt Networking: How to Create a VM Network with No Host or Internet Access

Aug 08, 2025 5 min read
libvirt Networking: Beyond the Default NAT libvirt Networking: Beyond the Default NAT
Linux Tips

libvirt Networking: Beyond the Default NAT

Aug 08, 2025 3 min read
How to Create a Host-Only Network in Libvirt How to Create a Host-Only Network in Libvirt
Linux Tips

How to Create a Host-Only Network in Libvirt

Aug 08, 2025 3 min read
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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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