SysAdmin

Old Pages, Numbers, and Keynote iWork macOS App Download Links

Download links for older versions of iWork (Pages, Numbers, and Keynote) macOS apps before they were bundled into Apple Creator Studio.

Jan 31, 2026 · 1 min read

How to Check Disk Drive Allocation Unit Size on Windows

A terminal command to show the allocation unit size (bytes per cluster) for a specific drive

Jan 29, 2026 · 2 min read

Managing macOS System Extensions From the Terminal

How to list and clean up system extensions on macOS from the Terminal

Dec 1, 2025 · 2 min read

How to Allow Underscore Headers in Nginx

Learn how to configure Nginx to accept HTTP headers containing underscores.

Sep 28, 2025 · 1 min read

How to Uninstall Old .NET SDK and Runtime Versions on macOS

Learn how to safely uninstall outdated .NET SDK and Runtime versions from your macOS system.

Sep 8, 2025 · 2 min read

How I Accidentally Discovered Crypto-Miner Malware (perfctl) on an Ubuntu Server

A story about how a simple MongoDB installation job turned into the discovery of crypto-miner malware called perfctl.

Jan 3, 2025 · 5 min read

How to Install AdGuard Home on Windows

Learn how to install AdGuard Home on Windows using Winget. Block trackers, malware, and ISP DNS filtering for network-wide privacy and faster browsing.

Mar 21, 2024 · 2 min read

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