script for starting/stopping vpn using Network Manager on Linux - can be used via keyboard shortcut

vpn-toggle

#!/bin/sh

# list of configured VPNs:
# nmcli con show |grep vpn

# PIA London PPTP
uuid="07067b81-d1d8-46cb-8b92-59341c69fe73"

# PIA NL PPTP
#uuid="f8ac9237-4865-4757-a78d-8d525dc846e5"

active_uuid=''
for r in $(nmcli -t -f UUID,TYPE con show --active); do
  ctype="${r##*:}"
  if [ "$ctype" = 'vpn' ]; then
    active_uuid="${r%%:*}"
    nmcli con down uuid $active_uuid
    break
  fi
done

[ -z "$active_uuid" ] && nmcli con up uuid $uuid