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Archive

September 2026

30 posts
Passkeys in Action: A Hands-On Walkthrough with the Passkey Demo Passkeys in Action: A Hands-On Walkthrough with the Passkey Demo
Web Security

Passkeys in Action: A Hands-On Walkthrough with the Passkey Demo

Sep 10, 2026 8 min read
Sandboxing on Linux: The Real Security Differences Between Flatpak, Snap, and AppImage Sandboxing on Linux: The Real Security Differences Between Flatpak, Snap, and AppImage
Linux Tips

Sandboxing on Linux: The Real Security Differences Between Flatpak, Snap, and AppImage

Sep 09, 2026 13 min read
tmux in 30 Days: The Hands-On Challenge That Actually Sticks tmux in 30 Days: The Hands-On Challenge That Actually Sticks
Command Line Tools

tmux in 30 Days: The Hands-On Challenge That Actually Sticks

Sep 08, 2026 4 min read
tmux is Your Production Tool: Why Every Linux Admin Needs It tmux is Your Production Tool: Why Every Linux Admin Needs It
Command Line Tools

tmux is Your Production Tool: Why Every Linux Admin Needs It

Sep 07, 2026 10 min read
The Nix Ecosystem Vocabulary Guide: Every Term You Need to Know The Nix Ecosystem Vocabulary Guide: Every Term You Need to Know
NixOS

The Nix Ecosystem Vocabulary Guide: Every Term You Need to Know

Sep 06, 2026 15 min read
Bash Isn't Broken, But Zsh Is Better: A Sysadmin's Switching Guide Bash Isn't Broken, But Zsh Is Better: A Sysadmin's Switching Guide
Command Line Tools

Bash Isn't Broken, But Zsh Is Better: A Sysadmin's Switching Guide

Sep 05, 2026 9 min read
Skip the Dashboard: A Bash Script That Emails Your VPS's Vitals Skip the Dashboard: A Bash Script That Emails Your VPS's Vitals
Self-Hosting

Skip the Dashboard: A Bash Script That Emails Your VPS's Vitals

Sep 04, 2026 14 min read
I Scanned My AI Agent Skills and Found 140 Vulnerabilities I Scanned My AI Agent Skills and Found 140 Vulnerabilities
Pentest

I Scanned My AI Agent Skills and Found 140 Vulnerabilities

Sep 03, 2026 7 min read
Passkeys Explained: The Password Killer You Should Already Be Using Passkeys Explained: The Password Killer You Should Already Be Using
Web Security

Passkeys Explained: The Password Killer You Should Already Be Using

Sep 02, 2026 13 min read
From Debian to NixOS: My KDE Desktop Didn't Move, My System Did From Debian to NixOS: My KDE Desktop Didn't Move, My System Did
NixOS

From Debian to NixOS: My KDE Desktop Didn't Move, My System Did

Sep 01, 2026 10 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
  • Hosted vs. Self-Hosted CI Runners: The Real Cost and Security Tradeoffs
    Hosted vs. Self-Hosted CI Runners: The Real Cost and Security Tradeoffs Oct 17, 2026
  • GitHub and GitLab PGP Keys: Proving Who Wrote the Commit
    GitHub and GitLab PGP Keys: Proving Who Wrote the Commit Oct 16, 2026
  • SSH Keys for GitHub and GitLab: A Practical Mapping Guide
    SSH Keys for GitHub and GitLab: A Practical Mapping Guide Oct 15, 2026
  • The Syncthing Self-Hosting Guide: Hub, Versioning, and Encrypted Off-Site Backup
    The Syncthing Self-Hosting Guide: Hub, Versioning, and Encrypted Off-Site Backup Oct 14, 2026
  • Inside Syncthing: The Protocol Theory Behind Dropbox-Free File Sync
    Inside Syncthing: The Protocol Theory Behind Dropbox-Free File Sync Oct 13, 2026
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