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Once your server is up and running, you can configure a peer. The process is nearly identical to setting up the server—allowing you to easily replicate these steps for adding multiple peers. As always, ensure that all commands are executed as the root user.

Generate keys

Each peer requires a unique public/private key pair to establish identity and secure connections, just like the server . Run the following commands to create the required files:

Refer to this article for a brief overview, prerequisites, and server details. Ensure you run all commands as the root user.

Generate keys

Each server requires a unique public/private key pair to establish identity and secure connections. Run the following commands to create the required files:

(umask 0077; wg genkey | sudo tee /etc/wireguard/privatekey | wg pubkey | sudo tee /etc/wireguard/publickey)
wg genpsk   # Generates a preshared key for Peer A (adds an extra layer of encryption)

Create configuration file

Create a configuration for the new interface. In Wireguard, the configuration file’s name determines the interface name. For example, if you create /etc/wireguard/wg0.conf, the interface will be named wg0.