I tried to follow the link but the whole framework (ETK + Cactus + Loni an so on...) is so scattered and so poorly documented that it discouraged me.
I have the idea that only those who already use Cactus intensively will know how to use the toolkit.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
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2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.