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What are clouds made of? Linux servers, mostly.

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Claude is stuck on a question. Answer it from Discord.

Claude is stuck on a question. Answer it from Discord.

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4 min read
Zero-Trust Linux: How I Hardened 4 Cloud Servers Against Brute-Force Attacks in Under an Hour

Zero-Trust Linux: How I Hardened 4 Cloud Servers Against Brute-Force Attacks in Under an Hour

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12 min read
Time-Boxed Logins on Shared Linux Workstations: PAM, SSSD, and a Session Watchdog

Time-Boxed Logins on Shared Linux Workstations: PAM, SSSD, and a Session Watchdog

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17 min read
Linux Server Hardening on a Small VPS: The Baseline I Run First

Linux Server Hardening on a Small VPS: The Baseline I Run First

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7 min read
How Linux Handles a `fork()` When the Parent Has Gigabytes of Memory

How Linux Handles a `fork()` When the Parent Has Gigabytes of Memory

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9 min read
How to Find Your Default Gateway & Debug Local Router Subnets via CLI (Windows, Linux, macOS)

How to Find Your Default Gateway & Debug Local Router Subnets via CLI (Windows, Linux, macOS)

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3 min read
SSH and Remote Access Configuration in Linux

SSH and Remote Access Configuration in Linux

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8 min read
Why Did ls Sort clip_10 Before clip_1? Three Orders for One Folder of Numbered Clips

Why Did ls Sort clip_10 Before clip_1? Three Orders for One Folder of Numbered Clips

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8 min read
MeshXFS: an AI-written clustered file system built on XFS

MeshXFS: an AI-written clustered file system built on XFS

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4 min read
My Mac Is Just a Screen Now: 3 Things That Broke With WezTerm SSHMUX

My Mac Is Just a Screen Now: 3 Things That Broke With WezTerm SSHMUX

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5 min read
One command tells you if your next Kubernetes upgrade will brick a node

One command tells you if your next Kubernetes upgrade will brick a node

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2 min read
Linux Architecture for Beginners: Understanding the Layers Behind the Commands

Linux Architecture for Beginners: Understanding the Layers Behind the Commands

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4 min read
Fix curl (35) ssl3_get_record:wrong version number on Nginx

Fix curl (35) ssl3_get_record:wrong version number on Nginx

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6 min read
Cron jobs fail silently: monitor them with a dead man's switch

Cron jobs fail silently: monitor them with a dead man's switch

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3 min read
48-Hour Field Notes: `kill -0` Said My Batch Job Was Alive. The PID Belonged to Someone Else.

48-Hour Field Notes: `kill -0` Said My Batch Job Was Alive. The PID Belonged to Someone Else.

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5 min read
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