Switch kernel in AWS instance

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Amos Kong edited this page Nov 18, 2020 · 1 revision

Change grub to switch the default boot kernel

Install new kernel, check the new item is added to /boot/grub2/grub.cfg
change GRUB_DEFAULT to 0 in /etc/default/grub
sudo grub2-mkconfig -o /boot/grub2/grub.cfg
reboot

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