How I Made 5.3.0 the Default Linux Kernel in My GRUB2 Configuration for Ubuntu 18.04.3 LTS Desktop Linux

How I Made 5.3.0 the Default Linux Kernel in My GRUB2 Configuration for Ubuntu 18.04.3 LTS Desktop Linux

GRUB is the Grand Unified Bootloader.

Linux command: sudo mkdir -p /boot/backup

Linux command: cd /boot

Linux command: sudo mv vmlinuz-5.5.1-050501-generic backup/

Linux command: sudo mv initrd.img-5.5.1-050501-generic backup/

Linux command: sudo mv config-5.5.1-050501-generic backup/

Linux command: sudo mv System.map-5.5.1-050501-generic backup/

Linux command: sudo mv vmlinuz-5.4.10-acso backup/

Linux command: sudo mv initrd.img-5.4.10-acso backup/

Linux command: sudo mv config-5.4.10-acso backup/

Linux command: sudo mv System.map-5.4.10-acso backup/

Linux command: sudo update-grub

Output:

Sourcing file `/etc/default/grub'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.3.0-28-generic
Found initrd image: /boot/initrd.img-5.3.0-28-generic
Found Windows Boot Manager on /dev/sdd2@/efi/Microsoft/Boot/bootmgfw.efi
Adding boot menu entry for EFI firmware configuration
done

Linux command: sudo reboot

Linux command: uname -a

Output:

Linux ubuntu18043 5.3.0-28-generic #30~18.04.1-Ubuntu SMP Fri Jan 17 06:14:09 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

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