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Archive

May 2025

18 posts
Automating SSH Hardening with Ansible Playbooks Automating SSH Hardening with Ansible Playbooks
DevOps

Automating SSH Hardening with Ansible Playbooks

May 20, 2025 6 min read
Building a Baseline: Ansible Playbook for Initial Server Prep Building a Baseline: Ansible Playbook for Initial Server Prep
DevOps

Building a Baseline: Ansible Playbook for Initial Server Prep

May 19, 2025 5 min read
Getting Started with Ansible: Initial Setup Guide Getting Started with Ansible: Initial Setup Guide
DevOps

Getting Started with Ansible: Initial Setup Guide

May 18, 2025 5 min read
Linux Firewall Defense: A Scripted Approach to Secure IPTables Linux Firewall Defense: A Scripted Approach to Secure IPTables
Cybersecurity

Linux Firewall Defense: A Scripted Approach to Secure IPTables

May 14, 2025 15 min read
Persistent Log Management: Dump JSON Logs into SQLite Persistent Log Management: Dump JSON Logs into SQLite

Persistent Log Management: Dump JSON Logs into SQLite

May 10, 2025 5 min read
Linux Firewall: Automatically Ban and Unban IP Addresses with Python Linux Firewall: Automatically Ban and Unban IP Addresses with Python
Cybersecurity

Linux Firewall: Automatically Ban and Unban IP Addresses with Python

May 08, 2025 10 min read
Beginner's Guide to Exploiting MS17-010 on TryHackMe Blue Beginner's Guide to Exploiting MS17-010 on TryHackMe Blue
Ethical Hacking

Beginner's Guide to Exploiting MS17-010 on TryHackMe Blue

May 07, 2025 8 min read
Speed Up APT on Debian: Enable Parallel Downloads Speed Up APT on Debian: Enable Parallel Downloads
Linux Tips

Speed Up APT on Debian: Enable Parallel Downloads

May 04, 2025 2 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
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    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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