All is quiet at dead of night.
Terminal method
- this command will turn the icon hide
gconftool-2 --type Boolean --set /apps/docky-2/Docky/Items/DockyItem/ShowDockyItem False
- and this one back show
gconftool-2 --type Boolean --set /apps/docky-2/Docky/Items/DockyItem/ShowDockyItem True
the last, Remember that you will need to restart Docky to see the changes take effect.
good ngiht~