Trevor, if 'cat /proc/version_signature' returns an error, you are running a non-Ubuntu kernel without AppArmor. Please see https://apparmor.wiki.kernel.org/index.php/Main_Page for details on how to patch your kernel to use AppArmor.
Trevor, if 'cat /proc/version_ signature' returns an error, you are running a non-Ubuntu kernel without AppArmor. Please see https:/ /apparmor. wiki.kernel. org/index. php/Main_ Page for details on how to patch your kernel to use AppArmor.