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`

uuid="049b2d60-b816-4640-b33e-659920598c19"

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