Ubuntu VPS 安装 VPN 的简单指南
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在现代网络环境中,保护你的数据和通信安全非常重要，即使你已经部署了 Ubuntu VPS（虚拟服务器），安装一个 VPN（虚拟专用网络）可以让你的网络通信更加安全，VPN 可以帮助你隔离网络流量，防止被监控或被攻击。
以下是逐步指南,教你如何在 Ubuntu VPS 上安装和配置 VPN。
安装 VPN 软件
你需要选择一个适合你的 VPN 软件，常见的 VPN 软件有：
- VpnExpress：一个功能强大的 VPN 软件，支持多种协议，包括 OpenVPN 和 PPTP。
- OpenVPN：一个轻量级的 VPN 软件，适合小型网络。
- Surfshark：一个免费的 VPN 软件，支持多种协议。
这里,我将使用 VpnExpress 作为示例，因为它功能强大且易于配置。
1 安装 VpnExpress
打开终端,输入以下命令安装 VpnExpress：
sudo apt update sudo apt install VPNExpress
安装完成后,运行 VPNExpress：
sudo ./vpnexpress -v
配置 VPN
在默认配置下,VpnExpress 可能无法直接连接到你的 VPS，你需要配置它以使用你的 VPS 的 IP 地址。
1 设置 routes 文件
VpnExpress 需要知道如何到达你的 VPS，创建一个 routes 文件：
sudo nano routes.conf
在文件中添加以下内容：
[Network]
driver = on demand
type = public
name = VPS
address = 0.0.0.0/0
key = ${/etc/shadow:pass:VPS}
ciphers = aes-nat, tdes-nat, des-cbc3, des-cbc, aes-128-nat, aes-128-xts, aes-192-nat, aes-192-xts
protocol = openvpn
parameters = -gsoap -o保存并退出编辑器：
sudo nano routes.conf << EOL exit
2 设置 client.conf 文件
创建一个 client.conf 文件，指定 VPN 服务器的连接参数：
sudo nano client.conf
在文件中添加以下内容：
[general]
server = 127.0.0.1
protocol = openvpn
user = your_username
password = your_password
tunnel = openvpn
mode = connect
key = ${/etc/shadow:pass:VPS}
ciphers = aes-nat, tdes-nat, des-cbc3, des-cbc, aes-128-nat, aes-128-xts, aes-192-nat, aes-192-xts
protocol_version = 2
keysize = 4096
hash算法 = sha256
hashkeysize = 256
hashiv = 1
hiphop = 1
hiv = 1
hopmax = 1
connect proto = tcp
connect port = 443
connect timeout = 30
connect retries = 5
connect keepalive = 1
connect compress = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
connect compress proto = hcp
connect compress mode = hcp
connect compress keepalive = 1
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