File: //usr/share/dbus-1/system.d/com.redhat.tuned.conf
<?xml version="1.0"?>
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<policy context="default">
<allow receive_sender="com.redhat.tuned" />
<allow send_destination="com.redhat.tuned" send_interface="org.freedesktop.DBus.Introspectable" />
<allow send_destination="com.redhat.tuned" send_interface="com.redhat.tuned.control" />
</policy>
<policy user="root">
<allow own="com.redhat.tuned" />
<allow send_destination="com.redhat.tuned" />
</policy>
</busconfig>