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Arch Linux Full-Disk Encryption Installation Guide

This guide provides instructions for an Arch Linux installation featuring full-disk encryption via LVM on LUKS and an encrypted boot partition (GRUB) for UEFI systems.

Following the main installation are further instructions to harden against Evil Maid attacks via UEFI Secure Boot custom key enrollment and self-signed kernel and bootloader.

Preface

You will find most of this information pulled from the Arch Wiki and other resources linked thereof.

Note: The system was installed on an NVMe SSD, substitute /dev/nvme0nX with /dev/sdX or your device as needed.

Programming Media Keys on the Ducky One 2 Skyline

To use media keys on the Ducky One 2 Skyline, you must record a macro to bind the media function to a hotkey combination, i.e. Fn plus some key.

Example

Important: In the instructions below, "Press X+Y+Z" means press and hold key X, press and hold key Y, press and hold key Z in that order, and then release all three.

As an example, to bind Fn+PgUp to the play/pause media function:

Story: Writing Scripts with Go

This is a story about how I tried to use Go for scripting. In this story, I’ll discuss the need for a Go script, how we would expect it to behave and the possible implementations; During the discussion I’ll deep dive to scripts, shells, and shebangs. Finally, we’ll discuss solutions that will make Go scripts work.

Why Go is good for scripting?

While python and bash are popular scripting languages, C, C++ and Java are not used for scripts at all, and some languages are somewhere in between.

First install Brew on your MAC

Setup Brew: ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew update
brew tap homebrew/dupes
brew tap homebrew/php
Install PHP 7.0.+ brew install php70
Install mcrypt: brew install mcrypt php70-mcrypt
Finally, install composer: brew install composer

	/**
	* Returns Market Value From Coingecko api
	* Function accepts ranges as well, please use it to reduce server lookups, so it fetches data only once.
	* Update: 17.02.2020
	*
	* @param {string} symbol pair (required)
	* @param {string} Default Value Missing Data (optional)
	* @return {number} ticker price
	* @customfunction
	**/

	chcp 65001
	@echo fix adb unauthorized issue, can only fix one PC, run it in recovery mode
	@echo 用于修复nexus6p不能连接adb的问题，在recovery模式下运行此脚本。
	set currentDir=%~dp0
	@echo add local fastboot to PATH variable
	@set PATH=%currentDir%lib\platform-tools;%PATH%
	adb devices 2>nul \| findstr /r /c:"recovery" \|\| @echo "error : device not in recovery mode" && pause && exit /B 1


	@echo off

	{
	"Badge Text" : "",
	"Custom Directory" : "No",
	"Working Directory" : "\/Users\/sarthaksharma",
	"Prompt Before Closing 2" : false,
	"Selected Text Color" : {
	"Green Component" : 1,
	"Blue Component" : 1,
	"Red Component" : 1
	},

	# Create all variables used in this Terraform run
	variable "aws_access_key" {}
	variable "aws_access_secret_key" {}
	variable "aws_bucket_name" {}
	variable "aws_region_main" {
	default = "eu-west-1"
	}
	variable "aws_region_replica" {
	default = "eu-central-1"
	}

	"""
	Copies all keys from the source Redis host to the destination Redis host.
	Useful to migrate Redis instances where commands like SLAVEOF and MIGRATE are
	restricted (e.g. on Amazon ElastiCache).

	The script scans through the keyspace of the given database number and uses
	a pipeline of DUMP and RESTORE commands to migrate the keys.

	Requires Redis 2.8.0 or higher.

	#
	# Slack hack:: slack_leave_channels_mass
	# Description:: Remove yourself from IM-channels in mass

	require "slack"
	require "progress_bar"

	class Array
	include ProgressBar::WithProgress
	end