如何在VPS上轻松安装Zerotier VPN服务

随着互联网的快速发展,VPN（虚拟专用网络）已经成为保障网络安全、提升隐私的重要工具，而Zerotier作为一款功能强大的VPN解决方案，尤其适合VPS（虚拟专用服务器）用户，本文将详细 guide 您如何在VPS上安装并配置Zerotier VPN服务。

VPS的基本配置

在开始安装Zerotier之前,您需要确保您的VPS满足基本的系统要求，Zerotier需要一定的资源，包括足够的内存和磁盘空间，以下是基本的配置要求：

1. 检查系统要求：访问Zerotier官方网站，查看所需的硬件配置，现代VPS都能满足这些要求。

2. 安装必要的软件：Zerotier需要iptables和iptables-restore，您可以通过以下命令安装：

   sudo apt-get install iptables iptables-restore

   如果您的系统不支持安装这些软件,可能需要使用Debian-based系统，如Ubuntu。

安装Zerotier VPN服务

安装Zerotier通常可以通过从官方源下载源代码或预编译二进制文件,以下是基于源代码的安装步骤：

1. 下载源代码：访问Zerotier官方网站，下载最新的源代码包。

2. 解压文件：将下载的源代码解压到VPS的根目录：

   sudo tar xzf /path/to/zerotier-<version>-source.tar.gz

3. 切换到源代码目录：

   cd /path/to/zerotier-<version>-source

4. 安装软件：运行安装脚本：

   ./install.sh

   这将按照配置文件中的指示安装Zerotier服务。

5. 验证安装：安装完成后，运行：

   ./checkint

   如果没有错误提示,说明安装成功。

配置Zerotier服务

配置Zerotier服务以确保它能够正常工作,需要进行一些简单的配置：

1. 找到VPS的IP地址：您需要知道您的VPS的IP地址，以便配置Zerotier，可以通过以下命令获取：

   ifconfig -a | grep -i public

   或者通过控制面板或管理面板中的网络设置。

2. 编辑Zerotier配置文件：默认情况下，Zerotier配置文件位于/etc/zerotier/zerotier.conf，您需要在这里添加以下内容：

   [DEFAULT]
   zerotier.enabled = true
   zerotier.port = 3000
   zerotier.%crt = /path/to/your/.config/zcr/crt
   zerotier.%crlf = /path/to/your/.config/zcr/crlf

   将/path/to/your替换成您的实际路径。

3. 设置IP地址：在配置文件中添加：

   [DEFAULT]
   zerotier.vpn.host = your-vps-ip

   替换your-vps-ip为您的VPS的IP地址。

4. 重新加载配置文件：在VPS上重新加载配置文件：

   sudo service zerotier reload

配置ZerotierVPN服务

Zerotier支持通过SSH连接到VPN服务器,以下是配置SSH连接的步骤：

1. 设置SSH代理：在/etc/ssh/sshd_config中添加以下内容：

   [Service]
   log_file=/var/log/auth.log
   log_level=UTC:debug
   user=your_username
   group=your_group
   start=now
   stop=now
   allowpass=none
   allowroot=y
   allow guests=y
   allow_anonymous=y
   allow_anonymous=none
   allow=y
   require authentication
   require key-based authentication
   require Guillotine authentication
   require Guillotine key-based authentication
   require SSH host key verification
   require SSH host key verification Guillotine
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