Public bug reported: On this plain install of Xenial apparmor complains about ntpd:
[ 19.379152] audit: type=1400 audit(1467623330.386:27): apparmor="DENIED" operation="connect" profile="/usr/sbin/ntpd" name="/run/dbus/system_bus_socket" pid=4513 comm="ntpd" requested_mask="wr" denied_mask="wr" fsuid=121 ouid=0 [ 20.379299] audit: type=1400 audit(1467623331.386:28): apparmor="DENIED" operation="connect" profile="/usr/sbin/ntpd" name="/run/dbus/system_bus_socket" pid=4513 comm="ntpd" requested_mask="wr" denied_mask="wr" fsuid=121 ouid=0 [ 22.426246] audit: type=1400 audit(1467623333.434:29): apparmor="DENIED" operation="connect" profile="/usr/sbin/ntpd" name="/run/dbus/system_bus_socket" pid=4513 comm="ntpd" requested_mask="wr" denied_mask="wr" fsuid=121 ouid=0 [ 22.771326] audit: type=1400 audit(1467623333.782:30): apparmor="DENIED" operation="connect" profile="/usr/sbin/ntpd" name="/run/dbus/system_bus_socket" pid=4513 comm="ntpd" requested_mask="wr" denied_mask="wr" fsuid=121 ouid=0 [ 23.568548] audit: type=1400 audit(1467623334.574:31): apparmor="DENIED" operation="connect" profile="/usr/sbin/ntpd" name="/run/dbus/system_bus_socket" pid=4513 comm="ntpd" requested_mask="wr" denied_mask="wr" fsuid=121 ouid=0 Adding the following line to /etc/apparmor.d/usr.sbin.ntpd fixes the problem: #include <abstractions/dbus-strict> ** Affects: ntp (Ubuntu) Importance: Undecided Status: New ** Summary changed: - missing apparmor definition for ntpd + incomplete apparmor definition for ntpd -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1598759 Title: incomplete apparmor definition for ntpd To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1598759/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs