Olhando mais de perto. Parece que o xdotool é fornecido pelo repositório nux dextop :
[root@nctirlwb07 ~]# yum info xdotool
Loaded plugins: product-id, rhnplugin, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
This system is receiving updates from RHN Classic or RHN Satellite.
Available Packages
Name : xdotool
Arch : x86_64
Epoch : 1
Version : 2.20110530.1
Release : 4.el6.nux
Size : 44 k
Repo : nux-dextop
Summary : Fake keyboard/mouse input
URL : http://www.semicomplete.com/projects/xdotool/
License : BSD
Description : This tool lets you programmatically (or manually) simulate
: keyboard input and mouse activity, move and re-size windows, etc.