/usr/bin/ck-history
/usr/bin/ck-launch-session
/usr/bin/ck-list-sessions
/usr/sbin/ck-log-system-restart
/usr/sbin/ck-log-system-start
/usr/sbin/ck-log-system-stop
/usr/sbin/console-kit-daemon
You may install this package on Debian with
apt-get
install ConsoleKit