Marc mystix

Getting GCP access token from a service account key

Use your service account's key JSON file to get an access token to call Google APIs.

Good for seeing how things work, including the creation of JWT token.

To create a JWT token, you can replace create-jwt-token.sh script with tools like step.

If you just want to get an access token for a service account,

How to assign PrtScr(Print Screen) key to Flameshot screenshot tool in Gnome 3?

Goto Keyboard settings and click 'Save a screenshot to Pictures' under 'Screenshots' section.
Press 'Backspace' key delete 'PrtScr' key shortcut and press 'Set' button
Press '+'(Plust) icon in the 'Custom Shortcuts' in the same window
Enter 'Flameshot' in 'Name' field , 'flameshot gui' in 'Command' field, and click 'Set Shortcut' button and press 'PrtScr' button in the keyboard and close the dialog box 5.That's it. If you press 'PrtScr' key, the Flameshot selection area screen will appear.

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

We did it! We broke gist.github.com ;) So head over to the new home! Thank you all!
2021.10.20: https://github.com/AveYo/MediaCreationTool.bat now open for interaction

Not just an Universal MediaCreationTool wrapper script with ingenious support for business editions,

A powerful yet simple windows 10 / 11 deployment automation tool as well!

discuss on MDL

For MacOS Catalina, visit Install mysql2 on MacOS Catalina

Problem

Installing mysql2 gem errors on MacOS Mojave.

Solution

Make sure openssl is installed on Mac via Homebrew.

	Here is a workaround for the lack of a client credentials flow in Xero's OAuth 2.0 / OpenID Connect implementation.

	From Xero's FAQ: https://developer.xero.com/faq/all/oauth-private
	"Is there an equivalent of two-legged private apps in OAuth 2.0?
	No, all users will follow the same OAuth 2.0 code flow.
	Once you have an access token and refresh token you can refresh indefinitely or until the token is revoked by the user."

	Workaround:

	1. Login to Xero as the Xero user to use for the machine-to-machine flow workaround.

	#!/usr/bin/env python

	import argparse
	import sys
	import binascii
	import socket
	import re
	from ldap3 import Server, Connection, NTLM, ALL, SUBTREE, ALL_ATTRIBUTES

	# get /etc/hosts entries for domain-joined computers from A and AAAA records (via LDAP/ADIDNS) (@3xocyte)

	# === EDITOR ===
	Pry.editor = 'vi'

	# === PROMPT ===
	Pry.prompt = [ ->(obj, nest_level, _) { "✎ " }, ->(obj, nest_level, _) { "#{' ' * nest_level} " } ]

	# === COLORS ===
	unless ENV['PRY_BW']
	Pry.color = true
	Pry.config.theme = "railscasts"

	#!/usr/bin/env python

	# abuse cases and better implementation from the original discoverer: https://github.com/leechristensen/SpoolSample
	# some code from https://www.exploit-db.com/exploits/2879/

	import os
	import sys
	import argparse
	import binascii
	import ConfigParser