Getting http://opendx.npaci.edu/source/dxsamples-4.4.0.tar.gz to ./dxsamples-4.4.0.tar.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
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  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: opendx.npaci.edu