Yes, we’re using SELinux. Not sure why installing websockify (via that Python installer) killed it either but I reproduced exactly that at least two times.
I knew it was needed on the compute nodes, but was hoping to get the Shell option in Files working. Does adding a compute node fix that? We currently don’t have any set up in OOD (but we do have them 
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Does that ondemand-compute package include more than websockify - ideally, * nmap-ncat, turbovnc and websockify? So in theory, you just deploy that one RPM to your compute nodes and they’re ready to go…