InformationConfigure AppArmor to be enabled at boot time and verify that it has not been overwritten by the bootloader boot parameters.
AppArmor must be enabled at boot time in your bootloader configuration to ensure that the controls it provides are not overridden.
Solutionedit /etc/default/grub and add the appermor=1 and security=apparmor parameters to the GRUB_CMDLINE_LINUX= line
update the grub configuration
This recommendation is designed around the grub bootloader, if LILO or another bootloader is in use in your environment enact equivalent settings.