p-sherratt

Understanding Go's DNS Resolver Selection

Courtesy of ChatGPT o1-preview

This document provides a comprehensive guide to how Go's net package selects a DNS resolver. It includes a flowchart illustrating the decision-making process, a table summarizing environment variables that influence resolver choice and behavior, and example scenarios demonstrating practical applications.

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Table of Contents

p-sherratt

Another variant for the pile at: https://gist.github.com/prwhite/8168133

help:
	@sed \
		-e '/^[a-zA-Z0-9_\-]*:.*##/!d' \
		-e 's/:.*##\s*/:/' \
		-e 's/^\(.\+\):\(.*\)/$(shell tput setaf 6)\1$(shell tput sgr0):\2/' \
		$(MAKEFILE_LIST) | column -c2 -t -s :

p-sherratt

#!/usr/bin/env python3

# quick hacky script to produce a "CIDR report" of your global address space from Netbox
# this is released to the public domain, free of copyright and licensing.

# by Paul Sherratt


import urllib3
urllib3.disable_warnings()