Wu Tingfeng elliotwutingfeng

Ruby on Archlinux

I thought I would document my setup, since it's somewhat non-standard but working quite well for me.

What this does

Install major Ruby versions at their latest patch release
Allow to switch between them seamlessly
Use chruby
Encourage bundler usage

Useful Web Browser Content Filtering Addons

These should all be available on Firefox/Chrome/Edge.

ClearURLs
- Remove tracking elements from URLs.
Decentraleyes
- Protects you against tracking through "free", centralized, content delivery.
Disconnect
Lets you visualize and block the invisible websites that track you.

oh-my-zsh

Install oh-my-zsh and some useful plugins

# Install oh-my-zsh
sh -c "$(wget -O- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

# zsh-syntax-highlighting
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

macOS Setup Guide

Updated as of 24 September 2024.

Here are some non-exhaustive practical tips from an occasional macOS user.

Buying a Mac

Do not buy an Intel Mac unless you need to run applications that just won't work on Apple Silicon.
Based on past trends, it is reasonable to expect new Apple Silicon Macs to receive about 7 years of new macOS releases.

Retrieving GPG credentials from old Manjaro installation

So it was time for a clean install on a larger SSD as my old system became completely unbootable (persistent initramfs uncompression error 😧).

However, I did not back up my GPG credentials 🤦.

I learned that retrieving them from the old system drive via chroot was technically possible but not a straightforward process.

	3bitwarden.com
	amsbitwarden.com
	app-bitwarden.com
	appbitwarden.com
	bbitwarden.com
	bitwarden360.com
	bitwardenaccount.net
	bitwarden.app
	bitwarden-app.com
	bitwardendamveien.com

	!#/usr/bin/sh

	# List all active connections
	nmcli connection show --active

	# Delete any dangling connections that are related to protonvpn
	# Usually it is `pvpn-ipv6leak-protection`
	nmcli connection delete pvpn-ipv6leak-protection

	from random import choice, random, randrange

	# Fastest way to pick either 1 or 3 at random in IPython (IronPython).
	# Inspired by Christopher's (twitter handle: @shrydar) suggestion
	# featured in https://youtube.com/watch?v=VC-lbd8mTOs&t=1702s

	# Tested on Python 3.11.3, Linux x64, AMD Ryzen 7 5800X

	t = (1, 3)

	"""
	BSD Zero Clause License

	Copyright (c) 2023 Wu Tingfeng

	Permission to use, copy, modify, and/or distribute this software for any
	purpose with or without fee is hereby granted.

	THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
	REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY

	ruby -e "require 'openssl'; c = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; puts (0...24).map { i = OpenSSL::Random.random_bytes(1).unpack('C').first % c.length; c[i..i] }.join"

	# Or alternatively to avoid homoglyphs (https://en.wikipedia.org/wiki/Homoglyph)
	# ruby -e "require 'openssl'; c = '3479AEFHJLNQRTYabdefghijnqrty'; puts (0...24).map { i = OpenSSL::Random.random_bytes(1).unpack('C').first % c.length; c[i..i] }.join"