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

Step-by-step – Scientific Linux Terminal Tutorial for Beginners

April 15, 2021 | By the+gnu+linux+evangelist.

Administering

  1. 8. Getting Admin Power

    Last How to Get the Admin Super-Powers.

    To Login as SuperUser:

    sudo su

    Especially relevant: take care because with the Admin Login you can Delete Anything and so your System may be in a Harm!

    If Got “User is Not in Sudoers file” then see: How to Enable sudo
    Then to Logout:

    exit

    To Protect your System from the potential Damage of an Hazardous Crazy Command Execution the Logout should be executed every Time your Setup is Achieved!
    Finally, to Execute a Single Command as SuperUser:

    sudo su -c '[myCommand]'

    Or:

    sudo [myCommand]

    For Example to Edit the Repository Source file with nano CLI Editor:

    sudo nano /etc/apt/sources.list

    Ctrl+x to Save Changes and/or Quit from nano Editor.

Congratulations, you are now fully Initiated to the awesome Pop!_OS Command Line Shell. ;)

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