joe curlee

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A collection of thoughts, ideas, and creative writing.

Hardening Debian to Military Standards March 28, 2026

This article bridges the gap between a well-hardened personal Linux system and the configuration baseline used by the NSA, DoD, and other government agencies on RHEL-based systems.

Hardening Debian for Privacy and Security: Part 2 March 28, 2026

This guide goes deeper. The first guide covered your baseline perimeter. This one covers active monitoring, integrity verification, behavioral controls, and hardening the browser and sudo chain—the areas where a sophisticated attacker or a persistent piece of malware will attempt to survive after your perimeter is breached.

systemd is trash, here's why March 28, 2026

`systemd` is a terrible architecture. The new unconstitutional Brazilian and California age verification laws are only a small part of the reason why.

Harden your Raspberry Pi March 27, 2026

If you're using a Raspberry Pi as a server on your home network, this guide will give you some tips on how to harden it against attacks.

Using a local server as source of truth for your time sync March 27, 2026

When using Linux, it is common practice to sync your computer's clock to a remote server in order to prevent it from drifting over time. However, this is a poor security practice that often goes overlooked. This guide will teach you how to set up a local NTP server and lock down your work stations to prevent schedule leaks.

Hardening Debian for Privacy and Security: Part 1 March 27, 2026

A guide on hardening Debian (and Debian-based distributions like MX Linux or Ubuntu) for security and privacy.

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