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# Apparmor Debugging
First look at the processes profile and skim the [query language][2].
## Tracking denials
Turn on complain mode
aa-complain <profile>
This does not track [denials][1]. So do a
apparmor_parser -pq /etc/apparmor.d/the.profile.to.check
and check for denails, turn them into "audit deny" for debugging.
## Check environment scrubbing
echo 1 > /sys/module/apparmor/parameters/debugging
## Turn off deny audit quieting
echo -n noquiet >/sys/module/apparmor/parameters/audit
## Other things to watch out for
* Process environments are usually cleared. So if a confined process spawns
a subprocess that relies on environments vars this might trigger problems
## Other knobs to try
echo 1 > /sys/module/apparmor/parameters/debug
echo -n noquiet >/sys/module/apparmor/parameters/audit
See [826218][] for details.
[1]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=826218
[2]: http://wiki.apparmor.net/index.php/QuickProfileLanguage
[826218]: http://bugs.debian.org/826218
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