47star’s gists

47star / google-user-content-ip-list.py

Created August 15, 2023 09:48

Fetch IPv4 blocks of googleusercontent.com

	import re
	from scapy.all import *
	from scapy.layers.dns import DNS, DNSQR
	from scapy.layers.inet import IP, UDP

	def query(n, t="TXT"):
	return sr1(
	IP(dst="8.8.8.8") / UDP(dport=53) / DNS(rd=1, qd=DNSQR(qname=n, qtype=t)),
	verbose=False,
	)[DNS]

47star / AttributeContainer.kt

Created May 15, 2023 04:20

Attribute Container for Kotlin Coroutines

	import kotlinx.coroutines.currentCoroutineContext
	import kotlin.coroutines.CoroutineContext


	interface AttributeContainer : CoroutineContext.Element {
	@InternalApi
	data class Key(val fqName: String) : CoroutineContext.Key<AttributeContainer>

	@InternalApi
	override val key: CoroutineContext.Key<*> get() = Key(fqName)

47star / settings.gradle.kts

Created April 11, 2023 04:51

Snippet for Gradle submodule definition in Kotlin DSL

	class GradleSubmodule(
	private val name: String,
	private vararg val children: GradleSubmodule,
	) {
	operator fun unaryPlus() = load("")

	private fun load(parent: String) {
	include("$parent:$name")

	for (child in children) {

47star / settings.gradle.kts

Created September 19, 2022 11:43

Gradle Submodule Notation for Kotlin DSL

	class GradleSubmodule(
	private val name: String,
	private vararg val children: GradleSubmodule,
	) {
	operator fun unaryPlus() = load("")

	private fun load(parent: String) {
	include("$parent:$name")

	for (child in children) {

47star / cloudflare.rsc

Created May 6, 2021 09:46

Cloudflare IP ranges registration script for MikroTik RouterOS

47star / docker-installation-ubuntu.sh

Last active September 10, 2021 10:06

Docker installation script for Ubuntu

	#!/bin/bash

	sudo apt-get update -y

	sudo apt-get install \
	apt-transport-https \
	ca-certificates \
	curl \
	gnupg-agent \
	software-properties-common -y

47star / Set-NetworkAdapterName.ps1

Created April 5, 2019 15:44

Set network adapter name for Windows Server.

	$hardwareid = ((gwmi Win32_PnPSignedDriver -Filter "Description = 'Microsoft Hyper-V Network Adapter'").HardwareID[0]).ToUpper();
	foreach ($drivername in (gwmi Win32_PnPSignedDriver -Filter "Description = 'Microsoft Hyper-V Network Adapter'").DeviceID) {
	$driverid = $drivername.Replace($hardwareid, "").Replace("\", "").ToLower();
	$registryPath = "HKLM:\SYSTEM\ControlSet001\Enum\VMBUS\" + $hardwareid.Replace("VMBUS\", "").ToLower() + "\" + $driverid;
	Set-ItemProperty -Path $registryPath -Name "FriendlyName" -Value "NIC Name Goes Here"
	}

47star / Set-VMIPAddress.ps1

Created April 5, 2019 15:23

Assign static IP address for Hyper-V Guest.

	param( [String]$VMName="",
	[String]$Address="",
	[String]$Gateway="",
	[String]$SubnetMask="",
	[String]$DNS1="",
	[String]$DNS2="")
	$Msvm_VirtualSystemManagementService = Get-WmiObject -Namespace root\virtualization\v2 -Class Msvm_VirtualSystemManagementService
	$Msvm_ComputerSystem = Get-WmiObject -Namespace root\virtualization\v2 -Class Msvm_ComputerSystem -Filter "ElementName='$VMName'"
	$Msvm_VirtualSystemSettingData = ($Msvm_ComputerSystem.GetRelated("Msvm_VirtualSystemSettingData", "Msvm_SettingsDefineState", $null, $null, "SettingData", "ManagedElement", $false, $null) \| % {$_})
	$Msvm_SyntheticEthernetPortSettingData = $Msvm_VirtualSystemSettingData.GetRelated("Msvm_SyntheticEthernetPortSettingData")

47star / Install-GroupPolicy.ps1

Created March 30, 2019 14:15

Install Group Policy Editor in Windows 10 Home.

	if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs; exit }
	$features = Get-ChildItem $env:systemroot"\servicing\Packages\" -Filter "Microsoft-Windows-GroupPolicy-ClientExtensions-Package~3*.mum"
	$features += Get-ChildItem $env:systemroot"\servicing\Packages\" -Filter "Microsoft-Windows-GroupPolicy-ClientTools-Package~3*.mum"
	Foreach($feature in $features) {
	dism /online /norestart /add-package:$env:systemroot"\servicing\Packages\"$feature
	}
	echo ""
	echo ""
	echo ""
	echo "잠시 기다려 주십시오."

DongHoon Yoo 47star