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How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8

	#!/usr/bin/env bash
	#===========================================================================
	# Works only with the official image available in the Mac App Store.
	# Make sure you download the official installer before running this script.
	#===========================================================================

	hdiutil create -o /tmp/Catalina.cdr -size 9000m -layout SPUD -fs HFS+J
	hdiutil attach /tmp/Catalina.cdr.dmg -noverify -mountpoint /Volumes/install_build
	sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
	hdiutil detach "/Volumes/Install macOS Catalina"

	#!/usr/bin/python
	"""Print a swatch using all 256 colors of 256-color-capable terminals."""


	__author__ = "Marius Gedminas <[email protected]>"
	__url__ = "https://gist.github.com/mgedmin/2762225"
	__version__ = '2.0'


	def hrun(start, width, padding=0):

	require 'dalli'
	require 'redis'
	require 'pp'

	module Cache

	def self.[](*keys)
	if keys.size == 1
	value = self.get(keys.first)
	value.extend(CacheMethods) && value.__key__(keys.first)

	if ($request_uri = /) {
	set $test A;
	}

	if ($host ~* teambox.com) {
	set $test "${test}B";
	}

	if ($http_cookie !~* "auth_token") {
	set $test "${test}C";

	require 'rubygems'
	require 'sinatra'

	require 'fileutils'

	# upload with:
	# curl -v -F "data=@/path/to/filename" http://localhost:4567/user/filename

	post '/:name/:filename' do
	userdir = File.join("files", params[:name])