Sometimes apparmor is installed by default. Follow these steps to disable it.
Disable AppArmor
$ /etc/init.d/apparmor stop
$ /etc/init.d/apparmor teardown
$ update-rc.d -f apparmor remove
$ aptitude remove apparmor apparmor-utils --purge
Sometimes apparmor is installed by default. Follow these steps to disable it.
$ /etc/init.d/apparmor stop
$ /etc/init.d/apparmor teardown
$ update-rc.d -f apparmor remove
$ aptitude remove apparmor apparmor-utils --purge