Step-by-step – MX Linux 19 GRUB Change Default OS Guide

Installing

2. 2. Installing GRUB Customizer

   Then to Install GRUB Customizer in MX
   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.

3. 3. Running GRUB Customizer

   Finally, Launch & Enjoy GRUB Customizer
   From Desktop Make Use of the Launcher:

   

   Or from Command Line with:

   grub-customizer

4. 4. Setting Up OSes Boot Order

   Finally, to Modify MX Linux 19 Boot Entries Order
   Choose the “General settings” Tab & “Default entry”:

   

   Finally Save & Exit:

   

Congratulations, your MX Linux 19 New GRUB Boot Order setup should be now nicely working!