Pal Dorogi ilap

Ledger Nano S/S+/X SSH Intro

OpenSSH 8.2 introduced a new feature allowing “native” usage of FIDO authentication devices for SSH key storage. Though macos does not have the required shared library for FIDO security key provider (SecurityKeyProvider).

Ledger's SecurityKey based install (RECOMMENDED)

Requirements:

Security Key app installed on Ledger Nano S/S+/X
Build env for building the Security key provider

Intro

Google takeout subscription and watch history
convert the watch-history.html to history.json using the js script below
upload to invidious

2. Convert

# Part one

Zsh script

#!/usr/bin/env zsh
# 
# usage:
# epoch_rewards.sh {317..390}
# or
# epoch_rewards.sh 390

Plot RSS with and without cost

#!/usr/bin/env python3

import math

import matplotlib.pyplot as plt

Install

$ mkdir recover && cd recover
# 1. Save the recover.js javascript below as recover.js

# 2. Install prereqs
$ npm i cbor cardano-crypto.js@6.1.1

# 3. Create a password file with the password candidates, 1-per-line

Introduction

rdano-node 1.29.0 commit 4c59442 2021-08-26 https://hydra.iohk.io/eval/1098185 https://hydra.iohk.io/build/7408438/download/1/cardano-node-1.29.0-linux.tar.gz

This gist describes how we can retrieve the cardano-node's build based on Github tags. Unfortunately Hydra's API does not provide any easy way to get a build based on a git commit.

The first step is to

retrieve the commit from a tag, then

	#!/usr/bin/env python3
	# Python implementation of Lars's Haskell based `pledge_model`.
	# https://github.com/brunjlar/pledging-model
	#
	# Install:
	# python -m pip install numpy argparse

	import random
	import numpy as np
	import argparse

	{-# LANGUAGE DataKinds #-}
	{-# LANGUAGE DeriveAnyClass #-}
	{-# LANGUAGE DeriveGeneric #-}
	{-# LANGUAGE FlexibleContexts #-}
	{-# LANGUAGE NoImplicitPrelude #-}
	{-# LANGUAGE OverloadedStrings #-}
	{-# LANGUAGE ScopedTypeVariables #-}
	{-# LANGUAGE TemplateHaskell #-}
	{-# LANGUAGE TypeApplications #-}
	{-# LANGUAGE TypeFamilies #-}

	{-# LANGUAGE DataKinds #-}
	{-# LANGUAGE DeriveAnyClass #-}
	{-# LANGUAGE DeriveGeneric #-}
	{-# LANGUAGE FlexibleContexts #-}
	{-# LANGUAGE NoImplicitPrelude #-}
	{-# LANGUAGE OverloadedStrings #-}
	{-# LANGUAGE ScopedTypeVariables #-}
	{-# LANGUAGE TemplateHaskell #-}
	{-# LANGUAGE TypeApplications #-}
	{-# LANGUAGE TypeFamilies #-}

	{-# LANGUAGE DataKinds #-}
	{-# LANGUAGE DeriveAnyClass #-}
	{-# LANGUAGE DeriveGeneric #-}
	{-# LANGUAGE FlexibleContexts #-}
	{-# LANGUAGE NoImplicitPrelude #-}
	{-# LANGUAGE OverloadedStrings #-}
	{-# LANGUAGE ScopedTypeVariables #-}
	{-# LANGUAGE TemplateHaskell #-}
	{-# LANGUAGE TypeApplications #-}
	{-# LANGUAGE TypeFamilies #-}