The ArcGIS Server 10 system requirements page says that it supports RHEL AS/ES 4 and RHEL 5. I have RHEL WS 4, RHEL WS 6, and RHEL Desktop 5. I am wondering if any of these version works well with ArcGIS Server 10 without any problem. Thanks in advance!
There has been no tests done on this kind of configuration. So I would recommend that you install on an OS that is certified. That said, I have had users install ArcGIS server on OSes like CentOS. There's a much higher likelyhood that 10.1 will work on Redhat WK..