JamesHopbourn

小型虚拟网络环境配置教程

本教程将指导你使用 Multipass 搭建一个 Gateway-Server-Client 架构的虚拟网络环境，实现网关转发通信的场景。

目录

• 环境要求
• 架构概述
• 快速开始
• 详细配置步骤

JamesHopbourn

#cloud-config
package_update: true
package_upgrade: true
packages:
  - curl

network:
  version: 2
  ethernets:
    enp0s3:

JamesHopbourn

小型互联网实验环境搭建详细步骤

前提条件

• 安装了 Multipass 的主机系统（macOS/Linux/Windows）
• 确保主机有足够资源：至少 6GB 内存，20GB 磁盘空间
• 具备 sudo 权限

步骤一：创建虚拟机

JamesHopbourn

小型互联网拓扑实验环境搭建指南

概述

本文档详细描述如何使用 Multipass 搭建一个三台虚拟机的小型局域网环境，模拟现实互联网中的 NAT、内网穿透、网络分段访问控制等场景。

网络拓扑结构

Client (10.0.0.3) ← → Gateway (10.0.0.1) ← → Server (10.0.0.2:8000)

JamesHopbourn

Useful Commands for Package Management in Homebrew

• Quick Stats
• Manage Packages and Dependencies
  • See Installed Packages
  • See Dependency Tree
  • Remove Hanging Dependencies
  • Remove All Packages
• Manage Files
  • Installation Paths

JamesHopbourn

cmake_minimum_required(VERSION 3.10)
project(imgtools)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Windows specific settings
if(WIN32)
    # Add Windows libraries
    find_library(GDIPLUS_LIB gdiplus)

JamesHopbourn

#!/bin/bash

#!/bin/sh

# Download script written by Wowfunhappy. Last updated 2025/03/07.
# Thank you to Krackers, Jazzzny, and others for helping analyze Apple's download process and debug this script.
# Thank you to dosdude1 for donating identifiers from a broken Mac.
# Any mistakes are mine alone.

BOARD_SERIAL_NUMBER="C0243070168G3M91F"

JamesHopbourn

#!/bin/sh
# Create a bootable ISO from the OS X Mavericks app
# http://thezinx.com/misc/trend/create-bootable-dmg-iso-mavericks-app/

if [ ! -f /Applications/Install\ OS\ X\ Mavericks.app/Contents/SharedSupport/InstallESD.dmg ]; then
    echo "Download the OS X Mavericks App and then rerun this script."
    open "https://itunes.apple.com/us/app/os-x-mavericks/id675248567"
    exit 1
fi

JamesHopbourn

# Install coreutils from source on Mac OS X

# prepare workspace
mkdir -p ~/code/build-from-src/ && cd $_

# download source code
curl -LO https://ftp.gnu.org/gnu/coreutils/coreutils-8.31.tar.xz

# expand
tar -xJvf coreutils-8.31.tar.xz

JamesHopbourn

$ git clone [email protected]:xxxxx/xxxx.git my-awesome-proj
Cloning into 'my-awesome-proj'...
ssh: connect to host github.com port 22: Connection timed out
fatal: Could not read from remote repository.

$ # This should also timeout
$ ssh -T [email protected]
ssh: connect to host github.com port 22: Connection timed out

$ # but this might work