How to Install WireGuard on nixOS Latest

WireGuard is a popular VPN (Virtual Private Network) software which provides fast and secure connectivity to users. In this tutorial, we will guide you on how to install WireGuard on nixOS Latest.

Step 1: Update System Packages

Open a terminal and make sure that your system is up-to-date with the latest package updates.

sudo nix-channel --update && sudo nixos-rebuild switch

Step 2: Install the WireGuard Package

Use the following command to install the WireGuard package:

sudo nix-env -i wireguard

Step 3: Generate Keys

Generate a private and a public key using the following commands.

sudo umask 077
sudo mkdir -p /etc/wireguard
sudo wg genkey | sudo tee /etc/wireguard/privatekey | wg pubkey | sudo tee /etc/wireguard/publickey

Step 4: Configure WireGuard

Create the configuration file /etc/wireguard/wg0.conf and edit it as follows:

sudo vim /etc/wireguard/wg0.conf

[Interface]
Address = 10.10.10.1/24
PrivateKey = <SERVER_PRIVATE_KEY>

[Peer]
AllowedIPs = 10.10.10.2/32
PublicKey = <CLIENT_PUBLIC_KEY>

Replace <SERVER_PRIVATE_KEY> with your server's private key generated in step 3, and <CLIENT_PUBLIC_KEY> with the public key of the client that you wish to connect to.

Step 5: Enable and Start the WireGuard Service

Use the following commands to start and enable the WireGuard service:

sudo systemctl enable wg-quick@wg0
sudo systemctl start wg-quick@wg0

Conclusion

In this tutorial, we have shown you how to install WireGuard on nixOS Latest. To ensure that the installation is complete, verify that the service is running by running the following command:

sudo systemctl status wg-quick@wg0

That's it! You are now ready to use your secure VPN connection.