WireGuard Error Messages
Modern VPN tunnel.All WireGuard pages
- Warning: `/etc/wireguard/wg0.conf' is world accessiblewg-quick warns that the config holding your private key is readable by other users. Run chmod 600 on it and chmod 700 on /etc/wireguard. The tunnel starts.
- wg-quick: `wg0' already existswg-quick up found the wg0 interface already present, often started by the wg-quick@wg0 service. Run wg-quick down first, or restart the systemd unit instead.
- wg-quick: resolvconf: command not foundwg-quick runs resolvconf for the DNS = line and fails when it is missing. Install openresolv or a resolvconf command, or drop DNS and use resolvectl in PostUp.
- wg-quick: RTNETLINK answers: Operation not supported (ip link add wg0 type wireguard)ip link add wg0 type wireguard fails when the kernel lacks the WireGuard module. Load it with modprobe, reboot after a kernel update, or use wireguard-go.