$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install ProtonVPN on GNU/Linux Distros

GNU/Linux Installing ProtonVPN Guide

How-to Download and Install ProtonVPN on GNU/Linux Desktops.

And ProtonVPN for Linux sends your Internet traffic through an Encrypted VPN Tunnel, so your Passwords and confidential Data stay safe, even over Public or untrusted Internet connections.

The company has a strict No-logging Policy for user connection Data, and also prevents DNS and Web-RTC leaks from exposing Users true IP Addresses. ProtonVPN also includes Tor access support and a kill switch to shut off Internet access in the event of a lost VPN connection.[

How to Install ProtonVPN on GNU/Linux Distros

GNU/Linux ProtonVPN Client Installation Guide