Mark Thomas markthomas93

A guide to building and using the audio-enabled "Screamer" fork of PowerPC QEMU on macOS and Windows

Karen/あけみ (Twitter, Homepage)

Last updated: 2021/10/09 (QEMU-screamer version 6.1.50)

Here's a quickly-written guide describing how to build and use mcayland's excellent "Screamer" fork of QEMU which adds working audio support to QEMU for PowerPC guests!

Yes, this means working audio in PowerPC versions of OS X, Mac OS 9, and even Linux!

This guide isn't… quite up to my quality standards yet, but I figured I'd release it in this state regardless for anyone that might benefit from it, especially since I had to figure out quite a bit of this myself due to some of the existing documentation being somewhat outdated or incorrect.

Blog 2020/5/7

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QEMU PowerPC G4 OS X Tiger (10.4) setup

EDIT 2024/12/1: I updated a few of these commands to work with qemu 9.x.

How to keep using adblockers on chrome and chromium

google's manifest v3 has no analouge to the webRequestBlocking API, which is neccesary for (effective) adblockers to work
starting in chrome version 127, the transition to mv3 will start cutting off the use of mv2 extensions alltogether
this will inevitably piss of enterprises when their extensions don't work, so the ExtensionManifestV2Availability key was added and will presumably stay forever after enterprises complain enough

You can use this as a regular user, which will let you keep your mv2 extensions even after they're supposed to stop working

Linux

In a terminal, run:

ESP32 as Bluetooth Keyboard

With its built-in Bluetooth capabilities, the ESP32 can act as a Bluetooth keyboard. The below code is a minimal example of how to achieve it. It will generate the key strokes for a message whenever a button attached to the ESP32 is pressed.

For the example setup, a momentary button should be connected to pin 2 and to ground. Pin 2 will be configured as an input with pull-up.

In order to receive the message, add the ESP32 as a Bluetooth keyboard of your computer or mobile phone:

Go to your computers/phones settings
Ensure Bluetooth is turned on

Notes on this tweet.

The screenshots were taken on different sessions.
The entire sessions are included on the screenshots.
I lost the original prompts, so I had to reconstruct them, and still managed to reproduce.
The "compressed" version is actually longer! Emojis and abbreviations use more tokens than common words.

This is a work in progress, proceed with caution

Install Proxmox and a Ubuntu VM with Portainer to manage docker containers

Setup Proxmox

Install Proxmox 6.X iso I selected 2 drives in Raid 1 mirror
Console/SSH into Proxmox
nano /etc/apt/sources.list

Tested only on Ubuntu 20.04, KDE Neon User Edition (based on Ubuntu 20.04) and OSX Mojave.

will probably work on other newer versions, with no changes, or with few changes in non-python dependencies (apt-get packages)

NOTE: Don't create a .sh file and run it all at once. It will not work. Copy, paste, and execute each command below manually. :-)

Ubuntu

# DO NOT RUN THIS AS A ROOT USER

	/*
	Real-time fractals on ESP32 and composite video out
	1 Mar 2022 - @todbot

	Basically just combined this sketch:
	https://create.arduino.cc/projecthub/picass01/fractal-mandelbrot-with-arduino-72a2b6
	and the "GFX_HelloWorld" sketch from
	https://github.com/Roger-random/ESP_8_BIT_composite

	Uses ESP_8_BIT_composite color composite video generator library on ESP32.

	*,div,pre,textarea,body,input,td,tr,p {
	background-color: #202020 !important;
	background-image: none !important;
	color: #bbbbbb !important;
	}
	h1,h2,h3,h4 {
	background-color: #202020 !important;
	color: #b8ddea !important;
	}
	img {


	#!/usr/bin/env bash

	set -e
	[ -n "$PYENV_DEBUG" ] && set -x

	if [ -z "$PYENV_ROOT" ]; then
	export PYENV_ROOT="${HOME}/.pyenv"
	fi