WireGuard: /usr/bin/wg-quick: line 32: resolvconf: command not found

What it means

wg-quick tried to apply the DNS = line from the config and the system has no resolvconf.

Why it happens

• A DNS = line in [Interface] on a distribution without resolvconf (Debian, Ubuntu minimal).

How to fix it

1. Install it: apt install openresolv (or resolvconf).
2. Or remove DNS = from the config and set DNS another way.

Useful tools

WireGuard config generator

Other WireGuard errors

• Handshake for peer 1 (203.0.113.10:51820) did not complete after 5 seconds, retrying (try
• Packet has unallowed src IP (10.0.0.7) from peer 3 (198.51.100.20:43210)
• RTNETLINK answers: Operation not supported / Unable to access interface: Protocol not supp
• Key is not the correct length or format: `abc…`
• Unable to modify interface: Address already in use
• Name or service not known: `vpn.example.com:51820' / Configuration parsing error