systemd.services."user@" = {
  # systemd.services.protonvpnstartup = {
  path = [ pkgs.gnome3.gnome-keyring ];
  serviceConfig.ExecStart = "${pkgs.protonvpn-cli}/bin/protonvpn-cli r";
  wantedBy = ["multi-user.target"];
  };


which using

sudo systemctl status [email protected]

produces the following error

× [email protected]
     Loaded: loaded (/etc/systemd/system/[email protected]; static)
     Active: failed (Result: exit-code) since Thu 2023-11-02 00:31:10 CET; 6min ago
   Duration: 1.052s
    Process: 14723 ExecStart=/nix/store/bhrckpr7jbmafdx8d13hbxi9i4qqrk21-protonvpn-cli-3.13.0/bin/protonvpn-cli r (code=exited>
   Main PID: 14723 (code=exited, status=1/FAILURE)
         IP: 0B in, 0B out
        CPU: 1.050s

Nov 02 00:31:09 thinky1 systemd[1]: Started [email protected].
Nov 02 00:31:10 thinky1 protonvpn-cli[14723]: Gathering previous Proton VPN connection data.
Nov 02 00:31:10 thinky1 protonvpn-cli[14723]: Unable to setup reconnect. Please make sure that you have access to internet or >
Nov 02 00:31:10 thinky1 systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE
Nov 02 00:31:10 thinky1 systemd[1]: [email protected]: Failed with result 'exit-code'.
Nov 02 00:31:10 thinky1 systemd[1]: [email protected]: Consumed 1.050s CPU time, no IP traffic.