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

Step-by-step – Linux Mint 21 GRUB Change Default OS Guide

July 30, 2022 | By the+gnu+linux+evangelist.

Change GRUB Default OS on Linux Mint 21 Desktop – Visual Guide

Hi! The Tutorial shows you Step-by-Step How to Change GRUB2 Boot Entries Order and Default OS in GNU/Linux Mint 21.x Vanessa/Vera/Victoria/Virginia LTS GNU/Linux Desktop.

And this Linux Mint 21 GRUB Boot Setup make use of the Grub Customizer Graphical UI.

Especially relevant: also if you can directly edit the GRUB Configuration Files on the Command Line this Tool is very useful and valuable to easily manage and dive into the tricky Grub2 Configuration.

Finally, the Grub Customizer Features are:

  • Move, remove or rename menuentries (they stey updatable by update-grub)
  • Edit the contents of menuentries or create new ones (internally it edits the 40_custom)
  • Support for GRUB2 and BURG
  • Reinstallation of the bootloader to MBR
  • Settings like default operating system, kernel params, background image and text colors etc.
  • Changing the installed operating system by running on a live cd
Step-by-step Linux Mint 21 Modify Boot Order Guide - Featured
  1. 1. Terminal Getting-Started Guide

    How to QuickStart with Command Line on Linux Mint:

    Console Linux Mint QuickStart Guide

    First Update the Apt Repo Sources with:

    sudo apt update
    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.
  2. 2. Installing GRUB Customizer

    Then to Install GRUB Customizer in Linux Mint
    Simply run:

    sudo apt install grub-customizer
    Authenticate with the User’s Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.