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

Step-by-step – Redshift Installation in Ubuntu 20.04 Guide

January 20, 2021 | By the+gnu+linux+evangelist.

GNU/Linux Ubuntu 20.04 Installing Redshift – QuickStart Guide

Hi! The Tutorial shows you Step-by-Step How to Install Redshift in Ubuntu 20.04 Focal LTS GNU/Linux.

And Redshift for Ubuntu Focal adjusts the Color Temperature according to the position of the Sun.

So as a Blue Light Filter a different Color Temperature is set during Night and Daytime.

Moreover, during twilight and early Morning, the Color Temperature transitions smoothly from Night to daytime temperature to allow your Eyes to slowly adapt. At Night the Color Temperature should be set to match the Lamps in your Room.

Especially relevant: on GNOME instead you may simply make use of the Night Light Settings Applet!

How to Install Redshift in Ubuntu 20.04 Focal LTS - 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

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