Link oficial: https://protonvpn.com/support/official-linux-client/
| Command | Desciption | 
|---|---|
| protonvpn-cli login [ProtonVPN username] | Log in | 
| protonvpn-cli connect (or protonvpn-cli c) | Connect to VPN | 
| protonvpn-cli disconnect (or protonvpn-cli d) | Disconnect from VPN. | 
| protonvpn-cli status (or protonvpn-cli s) | See the connection status. | 
| Command | Desciption | 
|---|---|
| protonvpn-cli ks --on | Kill switch. The basic kill switch will block all your internet connections when the VPN app is running and the connection to one of our servers fails. | 
| protonvpn-cli ks --always-on | Always-on kill switch. This prevents all internet connections unless the VPN app is running and connected to one of our servers. | 
| protonvpn-cli ks --off | Disable the kill switch | 
| Command | Desciption | 
|---|---|
| protonvpn-cli c --help | Help | 
| protonvpn-cli c -f | To connect to the fastest ProtonVPN server for your location | 
| protonvpn-cli c -tor | Connect to the fastest Tor server | 
| protonvpn-cli config --help | Additional connection options, including specifying a custom DNS server | 
| Command | Desciption | 
|---|---|
| 1 - protonvpn-cli ks --off | Disable the kill switch (if it is running). | 
| 2 - sudo apt-get autoremove protonvpn | Uninstall the app with | 
| 3 - rm -rf ~/.cache/protonvpn | Remove any leftover files | 
| 4 - rm -rf ~/.config/protonvpn | Remove files |