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What are clouds made of? Linux servers, mostly.

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Six Camera Clips, Three in the Archive, Every mv Exited 0: Testing Same-Name Moves From Two Folders

Six Camera Clips, Three in the Archive, Every mv Exited 0: Testing Same-Name Moves From Two Folders

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8 min read
Linux local privilege escalation: OpenAI's 948 reported findings

Linux local privilege escalation: OpenAI's 948 reported findings

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8 min read
Response Checklist for CVE-2026-97597 in Shared and Multi-Tenant Linux Hosts

Response Checklist for CVE-2026-97597 in Shared and Multi-Tenant Linux Hosts

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3 min read
Maintenance decisions after CVE-2026-98174: inventory, backports, and residual risk

Maintenance decisions after CVE-2026-98174: inventory, backports, and residual risk

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4 min read
Jellyfin in Docker: find out which side of the container is wrong

Jellyfin in Docker: find out which side of the container is wrong

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2 min read
I built a keyboard sound app for myself, and fell in love with it

I built a keyboard sound app for myself, and fell in love with it

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2 min read
IPv6 in Production: Dual-Stack Without Breaking IPv4

IPv6 in Production: Dual-Stack Without Breaking IPv4

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3 min read
Zero Day Protection - NGINX web server example

Zero Day Protection - NGINX web server example

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2 min read
Sururu Linux: uma distro brasileira pra aprender Linux, containers e Kubernetes direto do pendrive

Sururu Linux: uma distro brasileira pra aprender Linux, containers e Kubernetes direto do pendrive

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2 min read
Harden a fresh Ubuntu 24.04 server with one command (open source)

Harden a fresh Ubuntu 24.04 server with one command (open source)

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2 min read
How to Check If Your ISP Is Hijacking DNS (Switching to 1.1.1.1 Won't Fix It)

How to Check If Your ISP Is Hijacking DNS (Switching to 1.1.1.1 Won't Fix It)

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9 min read
Docker Permission Denied on docker.sock: Fix It Without sudo

Docker Permission Denied on docker.sock: Fix It Without sudo

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11 min read
5 myths about self-hosted uptime monitoring (from someone who ran it on the same VPS)

5 myths about self-hosted uptime monitoring (from someone who ran it on the same VPS)

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4 min read
A Cold Turkey alternative for Linux

A Cold Turkey alternative for Linux

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4 min read
Fast Rebuilds Without Root: A Hardened Go Service with Docker Compose

Fast Rebuilds Without Root: A Hardened Go Service with Docker Compose

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5 min read
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