Sandbox99 Chronicles
  • Home
  • About
  • Contact
  • Tools
    • GTFOBins
    • Markdown Viewer
    • Network Architect Planner
    • Bookmark Manager
    • Youtube Downloader
Artificial Intelligence Cheat Sheet Command Line Tools Cybersecurity Data Protection DevOps Ethical Hacking IT Best Practices IT Fundamentals Linux Tips Networking Fundamentals NixOS Pentest Productivity Self-Hosting Virtualization Web Security macOS

Archive

September 2026

30 posts
Oh My OpenAgent: What the Community Layer Adds to OpenCode Oh My OpenAgent: What the Community Layer Adds to OpenCode
Artificial Intelligence

Oh My OpenAgent: What the Community Layer Adds to OpenCode

Sep 20, 2026 10 min read
Bitwarden vs Vaultwarden: A 2026 Comparison for Self-Hosters Bitwarden vs Vaultwarden: A 2026 Comparison for Self-Hosters
Self-Hosting

Bitwarden vs Vaultwarden: A 2026 Comparison for Self-Hosters

Sep 19, 2026 10 min read
Nix Overrides and Overlays: How to Customize Packages Without Forking Anything Nix Overrides and Overlays: How to Customize Packages Without Forking Anything
NixOS

Nix Overrides and Overlays: How to Customize Packages Without Forking Anything

Sep 18, 2026 17 min read
Context Engineering vs Prompt Engineering: What Changed When AI Agents Got Memory Context Engineering vs Prompt Engineering: What Changed When AI Agents Got Memory
Artificial Intelligence

Context Engineering vs Prompt Engineering: What Changed When AI Agents Got Memory

Sep 17, 2026 11 min read
Arcane: Modern Docker Management UI — A Production-Ready Setup Guide Arcane: Modern Docker Management UI — A Production-Ready Setup Guide
Self-Hosting

Arcane: Modern Docker Management UI — A Production-Ready Setup Guide

Sep 16, 2026 14 min read
HostHatch After 18 Months: A Developer's Experience with Their Singapore Compute VM HostHatch After 18 Months: A Developer's Experience with Their Singapore Compute VM
Self-Hosting

HostHatch After 18 Months: A Developer's Experience with Their Singapore Compute VM

Sep 15, 2026 7 min read
nix-shell: The Feature That Makes Nix Actually Useful nix-shell: The Feature That Makes Nix Actually Useful
NixOS

nix-shell: The Feature That Makes Nix Actually Useful

Sep 14, 2026 12 min read
GitLab Free Container Registry: Private Docker Images Without Self-Hosting a Registry GitLab Free Container Registry: Private Docker Images Without Self-Hosting a Registry
Self-Hosting

GitLab Free Container Registry: Private Docker Images Without Self-Hosting a Registry

Sep 13, 2026 6 min read
After NixOS Install: The Best Practices You Should Know Before Touching Anything After NixOS Install: The Best Practices You Should Know Before Touching Anything
NixOS

After NixOS Install: The Best Practices You Should Know Before Touching Anything

Sep 12, 2026 11 min read
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
Self-Hosting

The Unicorn Took the Afternoon Off: GitHub Outages and Why Your Next Repo Belongs to You

Sep 11, 2026 11 min read
  • « Prev
  • 1
  • 2
  • 3
  • Next »
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.

Portfolio LinkedIn
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
Archives
  • October 2026 17
  • September 2026 30
  • August 2026 16
  • July 2026 7
  • June 2026 7
  • May 2026 6
  • September 2025 14
  • August 2025 29
  • July 2025 27
  • June 2025 24
  • May 2025 18
  • April 2025 9
Sandbox99 Chronicles

Practical IT knowledge for engineers, sysadmins & security professionals.

About Privacy Policy Disclaimer
© 2026 Sandbox99 Chronicles. All rights reserved.
We use cookies — this site uses cookies to remember your theme preference and improve your browsing experience. Read our Privacy Policy for details.