thanks Nik, yours is a good one, that was gonna to be next thing I wanted to look into. With regards to my question - I realize to some my question might have seemed bit vague, even though I said, along the lines something like "proxy .. to outside world - caching proxy, eg, squid ; for whatever purpose SAS might need it when VM(thus SAS) has no direct access to the Internet (SAS own updates maybe, anything else(?) I'd not know, I'm not a SAS user. I thought I'd see if, from IT point of view SAS would be easy to introduce to students but I get the feeling that UE is one-sidedly meant for one person at home.
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