Wingman4l7

Extract ISO Image from a macOS installer

Step 1

Download macOS Installer (InstallAssistant.pkg). Here is the link to Sonoma beta installer:

https://swcdn.apple.com/content/downloads/14/54/042-41491-A_WCZEM7L2US/b5eeeylcnmf82ycto51pvy0klcyzd02on8/InstallAssistant.pkg

Learn Go in ~5mins

This is inspired by A half-hour to learn Rust and Zig in 30 minutes.

Basics

Your first Go program as a classical "Hello World" is pretty simple:

First we create a workspace for our project:

Task

Convert mac-os-el-capitan-pkg-to-iso.sh from using hdiutil and asr to using Linux utilities.

See https://gist.github.com/solderjs/22d08c4b582779485e0df11c5d84063a#file-mac-os-el-capitan-pkg-to-iso-sh

Steps

Important: You will need about 30GB of free disk space.

Curated List of Top 75 LeetCode Questions to Save Your Time

A list of the best LeetCode questions that teach you core concepts and techniques for each category/type of problem. Many other LeetCode questions are a mashup of the techniques from these individual questions.

Array

Disable Device Enrollment Notification on Mac.md

Restart the Mac in Recovery Mode by holding `Comment-R` during restart

Open Terminal in the recovery screen and type

csrutil disable

	#!/usr/bin/perl -w
	use strict;

	@ARGV or die "Usage: $0 PNGFILE...\nOutputs the file names of the PNG files with trailing data.";

	FILE: while (@ARGV) {
	my $fn = shift;
	eval {
	no warnings 'exiting';

	#------------------------------------------------------------------------------
	# Top 20K hashes from the Troy Hunt / haveibeenpwned Pwned Passwords list v6 (2020-06-19)
	# with frequency count and cracked plaintext passwords
	#
	# The latest version of this file can be found here:
	# https://gist.github.com/roycewilliams/226886fd01572964e1431ac8afc999ce
	# The equivalent of this file, but based on v2 of the Pwned Passwords, is here:
	# https://gist.github.com/roycewilliams/281ce539915a947a23db17137d91aeb7
	#------------------------------------------------------------------------------
	# Notes and references:

	#!/usr/bin/env python3

	"""
	Mac OSX Catalina User Password Hash Extractor

	Extracts a user's password hash as a hashcat-compatible string.

	Mac OSX Catalina (10.15) uses a salted SHA-512 PBKDF2 for storing user passwords
	(hashcat type 7100), and it's saved in an annoying binary-plist-nested-inside-xml-plist
	format, so previously reported methods for extracting the hash don't work.

	# use ImageMagick convert
	# the order is important. the density argument applies to input.pdf and resize and rotate to output.pdf
	convert -density 90 input.pdf -rotate 0.5 -attenuate 0.2 +noise Multiplicative -colorspace Gray output.pdf

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