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A Caddy Cert Expired Because systemd-resolved Was Selectively Lying

A Caddy Cert Expired Because systemd-resolved Was Selectively Lying

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2 min read
find: The Little Language Pretending to Be a Command

find: The Little Language Pretending to Be a Command

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5 min read
SSH Login Delays: The 10-Second Wait That Drives Us Crazy

SSH Login Delays: The 10-Second Wait That Drives Us Crazy

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2 min read
apt-mark hold doesn't pin versions — how it nearly removed OpenSSH across our fleet

apt-mark hold doesn't pin versions — how it nearly removed OpenSSH across our fleet

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4 min read
How to Track Down a Rogue Device in Your Server Rack

How to Track Down a Rogue Device in Your Server Rack

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5 min read
Linux File Permissions Explained Simply

Linux File Permissions Explained Simply

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2 min read
Why your VPS might be part of a botnet — and how to find out

Why your VPS might be part of a botnet — and how to find out

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5 min read
Raw VM Image Mounting with losetup

Raw VM Image Mounting with losetup

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2 min read
How to get a free city.state.us domain for side projects

How to get a free city.state.us domain for side projects

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5 min read
What 99.9% vs 99.99% Uptime Really Means: An SRE Reality Check

What 99.9% vs 99.99% Uptime Really Means: An SRE Reality Check

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3 min read
The Regex That Ran Unbounded

The Regex That Ran Unbounded

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7 min read
NTFS Blind Spot: Folder Protection (Non-Recursive) from Accidental Deletion in Windows (Docker-Friendly)

NTFS Blind Spot: Folder Protection (Non-Recursive) from Accidental Deletion in Windows (Docker-Friendly)

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5 min read
tcpdump

tcpdump

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7 min read
Conquering Windows Server 2022: How to Manually Sideload Winget (Without the Microsoft Store)

Conquering Windows Server 2022: How to Manually Sideload Winget (Without the Microsoft Store)

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3 min read
Construyendo un Home Lab Blue Team para PYMEs con pfSense y Snort: mi TFG para ASIR

Construyendo un Home Lab Blue Team para PYMEs con pfSense y Snort: mi TFG para ASIR

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3 min read
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