Keyboard shortcuts

Press ← or → to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

Overview

Worked examples for the network problems I keep running into, like a name that resolves differently depending on who you ask, or a certificate that verifies in the browser but not in curl.

Most of the tools run on Linux and inside Cygwin, a Linux-like environment for Windows, so you can use the same commands on a locked-down Windows laptop. Each tool page lists where to get it on each platform.

The source is on GitHub.