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

Step-by-step – Ubuntu 21.04 Kernel Headers Installation

May 4, 2021 | By the+gnu+linux+evangelist.

GNU/Linux Ubuntu 21.04 Installing Kernel Headers Guide

Hi! The Tutorial shows you Step-by-Step How to Install Linux Kernel Headers in Ubuntu 21.04 Hirsute GNU/Linux.

And Ubuntu Hirsute Kernel Headers contain the C Header Files for the Linux Kernel.

Which offers the various Function and Structure Definitions required when Compiling any Code that Interfaces with the Kernel, such as Kernel Modules or Device Drivers and some User Programs.

Last, possibly to Install a Custom Kernel with Headers you may see: Installing New Kernel from Source.

How to Install Kernel Headers in Ubuntu 21.04 Hirsute - Featured
  1. 1. Terminal QuickStart

    How to QuickStart with Command Line on Ubuntu

    Bash Shell Ubuntu QuickStart Guide

    First, Update the Apt Repo Sources with:

    sudo apt update

Contents