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Remove Kernel

If the installed kernel no longer in use, you may want to remove it. This is introduction to remove kernel.

How to remove kernel​

To remove the kernel, you have to remove the following entries.

/boot/vmlinuz-[version]
/boot/initrd.img-[version]
/boot/System.map-[version]
/boot/config-[version]
/lib/modules/[version]/*
/var/lib/initramfs_tools/[version]
rm /boot/vmlinuz-[version]
rm /boot/initrd.img-[version]
rm /boot/System.map-[version]
rm /boot/config-[version]
rm -rf /lib/modules/[version]/*
rm /var/lib/initramfs_tools/[version]

Then don't forget to update the grub configuration.

grub-mkconfig -o /boot/grub/grub.cfg

or

update-grub

References​