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2- Once you have booted into the newer kernel, open a terminal and run the command uname -r to check the current kernel version.ģ- Run the command ls /boot to list the available kernels in the /boot directory.Ĥ- Look for the kernel version that you want to boot into by default and make a note of it.ĥ- Edit the grub configuration file by running the command sudo vi /etc/default/grub.Ħ- In the grub configuration file, look for the line that starts with GRUB_DEFAULT=.ħ- Change the value of GRUB_DEFAULT to the kernel version that you want to boot into by default.
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