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What are clouds made of? Linux servers, mostly.

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🚀 Developer Tool Discovery: binsider

🚀 Developer Tool Discovery: binsider

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1 min read
Linux LogRotate

Linux LogRotate

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7 min read
Proxmox disk move with Delete source deletes the source even when the copy is missing

Proxmox disk move with Delete source deletes the source even when the copy is missing

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6 min read
Docker tips & shortcuts

Docker tips & shortcuts

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2 min read
Kali Linux on Apple Silicon

Kali Linux on Apple Silicon

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4 min read
One SSH login can quietly rewrite your known_hosts, and a line diff will not show it

One SSH login can quietly rewrite your known_hosts, and a line diff will not show it

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4 min read
Finding ZMODEM in a Terminal Byte Stream: How `rz`/`sz` Works Inside an SSH Client

Finding ZMODEM in a Terminal Byte Stream: How `rz`/`sz` Works Inside an SSH Client

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7 min read
Consider Using the nc Command for Connectivity Verification

Consider Using the nc Command for Connectivity Verification

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2 min read
What Actually Happens Between malloc() and Physical RAM: Virtual Memory, Page Faults, and the MMU

What Actually Happens Between malloc() and Physical RAM: Virtual Memory, Page Faults, and the MMU

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8 min read
Summing RSS Is Not Your WSL2 Memory Usage

Summing RSS Is Not Your WSL2 Memory Usage

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14 min read
SSH Permission Denied (publickey): causes and fixes

SSH Permission Denied (publickey): causes and fixes

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4 min read
Sandboxing AI Coding Agents: Run Agent-Generated Code Without Betting Your Machine On It

Sandboxing AI Coding Agents: Run Agent-Generated Code Without Betting Your Machine On It

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7 min read
Rootful Podman restarts a --uidmap container once on an AppArmor host, then gives up

Rootful Podman restarts a --uidmap container once on an AppArmor host, then gives up

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5 min read
One Wildcard Certificate, Several Servers: Renewal That Doesn't Break

One Wildcard Certificate, Several Servers: Renewal That Doesn't Break

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6 min read
Your Python venv Is (Mostly) a Symlink — Here's Why That Matters

Your Python venv Is (Mostly) a Symlink — Here's Why That Matters

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13 min read
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