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

Step-by-step – Ubuntu 18.04 GRUB Change Default OS Guide

July 27, 2020 | By the+gnu+linux+evangelist.

Change GRUB Default OS on Ubuntu 18.04 Desktop – Visual Guide

Hi! The Tutorial shows you Step-by-Step How to Change GRUB2 OSes Boot Entries Order in Ubuntu 18.04 Bionic LTS GNU/Linux Desktop.

And this Ubuntu 18.04 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 Ubuntu 18.04 Modify Boot Order Guide - Featured
  1. 1. Accessing Shell

    Open a Terminal window
    Ctrl+Alt+t on Desktop
    (Press “Enter” to Execute Commands)

    Step-by-step Ubuntu 18.04 Modify Boot Order Guide - Open Terminal Shell Emulator
    In case first see: Terminal QuickStart Guide.