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Changing your kernel (Legacy Virtual Machines)

For historical reasons, Legacy Virtual Machines do not run a kernel that is kept inside the rest of the system.

If you wish to change the kernel that your machine is running you should use the actions menu to do so. (Press Ctrl+p Ctrl+o to display that menu.)

If you select ‘Change your kernel’ you’ll be prompted to select the kernel you wish your machine to boot with in the future; the kernel marked Stable-i386.kvm is the preferred choice.

Picking a kernel with a general name (e.g., Linux3.4-kvm-i386) will track the latest version of that kernel whereas a specific kernel version (e.g., linux-3.4.108-kvm-i386-20150619) will not. It is best therefore to select the more general kernel to gain the benefit of any new version, unless you have a specific reason not to.

Once you’ve made your choice you will need to restart your machine for it to take effect.


Here is what the process looks like:

Confirm you wish to change kernel

Confirm kernel change

Select the new kernel

Options 5-9 are all aliases of the first four options. AppArmor is, and Stable is, for example. We recommend Stable-i386.kvm for users with no special requirements. Kernel select

Kernel changed

Kernel changed

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