How to Change the Default Ubuntu Kernel(ubuntu jammy example)

In this post we change(minor downgrade) default boot kernel from 5.15.0-47-generic – >5.15.0-46-generic Install the Generic Kernel (if neccesary. ubuntu jammy example below ) sudo apt-get update sudo apt install -y linux-image-5.15.0-46-generic Backup First sudo cp /etc/default/grub /etc/default/grub.bak Show Loaded Kernel uname -r Show Availalbe options grep -A100 submenu /boot/grub/grub.cfg |grep menuentry output submenu 'Advanced […]

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