Repeat the search but this time for linux-header - you can delete the associated headers for the kernel image chosen previously. Search for linux-image, right-click a kernel and choose complete removal and finally click the Apply button to delete the kernel. Personally, I wouldn't touch Computer Janitor since this is acknowledged to break your computer with its suggestions.Īn alternative is Synaptic ( sudo apt install synaptic) There are a number of ways to delete old kernels. If you select the option shown (press Enter) then all the old kernels become visible and available to boot from.įirst boot with the latest available kernel. If you do not see your grub - then remember to press Shift whilst booting.Īs you can see, only the latest kernel is displayed. The latest versions of Grub2 installed in Ubuntu automatically display the latest kernel and hides the older kernels that you may have installed. (It’s also smart about this process, leaving one spare version of the kernel around as a fallback!) 11.10 and newer versions of Ubuntu GRUB2 and its display of all kernels This includes old versions of linux-headers-* and linux-image-*. This command removes packages that were automatically installed to resolve a dependency, but are now no longer depended on. 16.04 and newer versions of Ubuntu sudo apt autoremove
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