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95 lines
3.4 KiB
Markdown
95 lines
3.4 KiB
Markdown
# WireGuard installer
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**This project is a bash script that aims to setup a [WireGuard](https://www.wireguard.com/) VPN on a Linux server, as easily as possible!**
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WireGuard is a point-to-point VPN that can be used in different ways. Here, we mean a VPN as in: the client will forward all its traffic trough an encrypted tunnel to the server.
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The server will apply NAT to the client's traffic so it will appear as if the client is browsing the web with the server's IP.
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The script supports both IPv4 and IPv6. Please check the [issues](https://github.com/angristan/wireguard-install/issues) for ongoing development, bugs and planned features!
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WireGuard does not fit your environment? Check out [openvpn-install](https://github.com/angristan/openvpn-install).
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## Requirements
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Supported distributions:
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- Ubuntu >= 16.04
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- Debian 10
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- Fedora
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- CentOS
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- Arch Linux
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## Usage
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Download and execute the script. Answer the questions asked by the script and it will take care of the rest.
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```bash
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curl -O https://raw.githubusercontent.com/angristan/wireguard-install/master/wireguard-install.sh
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chmod +x wireguard-install.sh
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./wireguard-install.sh
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```
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It will install WireGuard (kernel module and tools) on the server, configure it, create a systemd service and a client configuration file.
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Run the script again to add or remove clients!
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## Headless install
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It's also possible to run the script headless, e.g. without waiting for user input, in an automated manner.
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Example usage:
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```bash
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AUTO_INSTALL=y ./wireguard-install.sh
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# or
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export AUTO_INSTALL=y
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./wireguard-install.sh
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```
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A default set of variables will then be set, by passing the need for user input.
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If you want to customise your installation, you can export them or specify them on the same line, as shown above.
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- `APPROVE_INSTALL=y`
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- `APPROVE_IP=y`
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- `APPROVE_NIC=y`
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- `SERVER_WG_NIC=wg0`
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- `SERVER_WG_IPV4=10.66.66.1`
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- `SERVER_WG_IPV6=fd42:42:42::1`
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- `SERVER_PORT=51820`
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- `CLIENT_DNS_1=176.103.130.130`
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- `CLIENT_DNS_2=176.103.130.131`
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- `CLIENT_NAME=client`
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- `CLIENT_DOT_IPV4=2`
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- `CLIENT_DOT_IPV6=2`
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If the server is behind NAT, you can specify its endpoint with the `SERVER_PUB_IP` variable. If the endpoint is the public IP address which it is behind, you can use `SERVER_PUB_IP=$(curl ifconfig.co)` (the script will default to this). The endpoint can be an IP or a domain.
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Other variables can be set depending on your choice (`SERVER_NIC`). You can search for them in the `installQuestions()` function of the script.
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## Headless User Addition
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It's also possible to automate the addition of a new user. Here, the key is to provide the (string) value of the `MENU_OPTION` variable along with the remaining mandatory variables before invoking the script.
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The following Bash script adds a new user `foo` to an existing WireGuard configuration
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```bash
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#!/bin/bash
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export MENU_OPTION="1"
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export CLIENT_NAME="foo"
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export CLIENT_DOT_IPV4="3"
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export CLIENT_DOT_IPV6="3"
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./wireguard-install.sh
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```
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## Providers
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I recommend these cheap cloud providers for your VPN server:
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- [Vultr](https://goo.gl/Xyd1Sc): Worldwide locations, IPv6 support, starting at \$3.50/month
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- [Hetzner](https://hetzner.cloud/?ref=ywtlvZsjgeDq): Germany, IPv6, 20 TB of traffic, starting at €3/month
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- [Digital Ocean](https://goo.gl/qXrNLK): Worldwide locations, IPv6 support, starting at \$5/month
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- [PulseHeberg](https://goo.gl/76yqW5): France, unlimited bandwidth, starting at €3/month
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