Connect Proton VPN on Linux CLI

September 1, 2026 · Editorial

How do you connect Proton VPN with the Linux CLI? Install from the official repo, authenticate, connect, then fix NetworkManager DNS overwrites.

GUI: Linux setup. Verify packages (verification) via download. Login with 2FA/token flows. Secure Core: when to enable. NetShield: false positives. DNS: leak checks. Quota: data exhausted. Keys: keyring. Avoid GUI+CLI tunnels together. connection fix, FAQ.

Related: setup

FAQ

GUI+CLI?

Avoid simultaneous tunnels.

Headless?

Use token/device flow.

Docs vs --help?

Trust --help for your build.

The download page lists versions, requirements, and install entry points.