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

How to Install Realtek WiFi Driver in Debian Gnu/Linux Distro

GNU/Linux Debian Installing Realtek Wi-fi Driver Setup – Step-by-step Guide

Hi! The linked Tutorials shows you Step-by-Step How to Install Realtek Wireless Card Driver on Debian GNU/Linux.

And this Realtek WiFi Driver Debian Setup cover most of the available Models.

Most noteworthy: some Driver like rtl8187B, rtl8187L, rtl8188EE, rtl8188SU, rtl8191SU, rtl8192CE, rtl8192CU, rtl8192DE, rtl8192EE, rtl8192SE, rtl8192SU, rtl8723AE, rtl8723BE, and rtl8821AE, should be already provided by the Linux Kernel!

How to Install Realtek WiFi Driver in Debian - Featured

GNU/Linux Debian Realtek Wireless Driver Installation Guide