protonvpn-cli
Official client for ProtonVPN service from the command-line.
TLDR
Log in to the ProtonVPN account
$ protonvpn-cli login [username]
Start a kill switch upon connecting to ProtonVPN
$ protonvpn-cli killswitch --on
Connect to ProtonVPN interactively
$ protonvpn-cli connect
Display connection status
$ protonvpn-cli status
Block malware using ProtonVPN NetShield
$ protonvpn-cli netshield --malware
Disconnect from ProtonVPN
$ protonvpn-cli disconnect
Display the current ProtonVPN configuration
$ protonvpn-cli config --list
Display help for a subcommand
$ protonvpn-cli [subcommand] --help
