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A Debian 7 "Wheezy" or newer GNU/Linux system is required.

If you are using wheezy, upgrading to systemd 204-14 from wheezy-backports is recommended, but not mandatory.

Install software

Install AppArmor userspace tools and some contributed profiles:

$ sudo apt-get install apparmor apparmor-profiles apparmor-utils

(If you intend to use automatic profile generation tools, also install auditd.)

Enable AppArmor

Enable the AppArmor LSM:

$ sudo perl -pi -e 's,GRUB_CMDLINE_LINUX="(.*)"$,GRUB_CMDLINE_LINUX="$1 apparmor=1 security=apparmor",' /etc/default/grub
$ sudo update-grub
$ sudo reboot

In the future, this should be automated, see 702030

Inspect the current state

$ sudo aa-status

will list all loaded AppArmor profiles for applications and processes and detail their status (enforced, complain, unconfined).

$ ps auxZ | grep -v '^unconfined'

will list running executables which are currently confined by an AppArmor profile.

Enable / install more profiles

Find more profiles:

AppArmor profiles should live in /etc/apparmor.d/. One can use apparmor_parser(8) to insert them into the kernel. This is done automatically when installing the apparmor-profiles or the apparmor-profiles-extra package.

For example, to set all "extra" profiles (provided in the apparmor-profiles package) to complain mode (security policy is not enforced, but corresponding access violations are logged), do the following:

for f in *.* ; do aa-complain /etc/apparmor.d/$f; done

To set these profiles to enforce mode, use aa-enforce instead of aa-complain. Note that many of these profiles are not up-to-date and might break functionality in enforce mode.


AppArmor audit logs can be found in /var/log/syslog.

For more detailed instructions, please read the dedicated documentation for debugging AppArmor.

Report a bug

If you think that you've found a bug in AppArmor or a software in Debian which ships its own profile, you might want to report a bug.

Learn more

Learn more or start contributing.