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https://alvinsmith.gitbook.io/progressive-oscp/untitled/vulnversity-privilege-escalation

0. Prepare your payload `root.service`

[Unit]
Description=roooooooooot

[Service]
Type=simple

Quick n' easy NGINX & Node.js VPS setup!

Here's the quickest and easiest guide to setting up a little test enviorment. This guide likely applies to any VPS provider or VPS, not just Linode... it's just what I prefer to use. Assuming you know the basics of Linode's VPS system and SSH commands, let's get started!

Configure your Linode

Install your favorite flavor of Linux. I prefer Ubuntu.

Tabs and Windows

Function	Shortcut
New Tab	`⌘` + `T`
Close Tab or Window	`⌘` + `W` (same as many mac apps)
Go to Tab	`⌘` + `Number Key` (ie: `⌘2` is 2nd tab)
Go to Split Pane by Direction	`⌘` + `Option` + `Arrow Key`
Cycle iTerm Windows	`⌘` + `backtick` (true of all mac apps and works with desktops/mission control)

	const express = require('express')
	const AWS = require("aws-sdk")
	var bodyParser = require('body-parser')
	const MessageValidator = require('sns-validator')
	var jsonParser = bodyParser.json()

	const config = {
	"SNS_TOPIC_ARN": "",
	"USER_ARN": "",
	"USER_ACCESS_KEY_ID": "",

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link rel="preconnect" href="https://fonts.googleapis.com">
	<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
	<link href="https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap" rel="stylesheet">
	<link rel="stylesheet" href="style.css">
	<link rel="icon" type="image/x-icon" href="https://www.iconpacks.net/icons/2/free-sad-face-icon-2691-thumb.png">

	#include "iostream"
	#include "thread"
	#include "mutex"
	#include "condition_variable"
	using namespace std;

	std::mutex mu;
	std::condition_variable cond;
	int count = 1;

	# Edit this file to introduce tasks to be run by cron.
	#
	# Each task to run has to be defined through a single line
	# indicating with different fields when the task will be run
	# and what command to run for the task
	#
	# To define the time you can provide concrete values for
	# minute (m), hour (h), day of month (dom), month (mon),
	# and day of week (dow) or use '*' in these fields (for 'any').
	#

	////////////////////////////////////////////////
	// CommonProfile Shader v2

	#import <metal_stdlib>

	using namespace metal;

	#ifndef __SCNMetalDefines__
	#define __SCNMetalDefines__

	# 中西文切換鍵的默認設置寫在 default.yaml 裏面
	# 以下的 default.custom.yaml 在全局範圍重定義該組快速鍵
	#
	# 可用的按鍵有 Caps_Lock, Shift_L, Shift_R, Control_L, control_R
	# Mac 系統上的鼠鬚管不能區分左、右，因此只有對 Shift_L, Control_L 的設定起作用
	#
	# 已輸入編碼時按切換鍵，可以進一步設定輸入法中西文切換的形式。
	# 可選的臨時切換策略有三：
	# inline_ascii 在輸入法的臨時西文編輯區內輸入字母、數字、符號、空格等，回車上屏後自動復位到中文
	# commit_text 已輸入的候選文字上屏並切換至西文輸入模式