{ stdenv, fetchurl }: stdenv.mkDerivation rec { name = "iperf-3.0.9"; src = fetchurl { url = "http://downloads.es.net/pub/iperf/${name}.tar.gz"; sha256 = "0n94d6n4nm9b88qyv1pqasrvxqc8kyqvqsdra1rr6syj60mrl920"; }; postInstall = '' ln -s iperf3 $out/bin/iperf ''; meta = with stdenv.lib; { homepage = http://software.es.net/iperf/; description = "Tool to measure IP bandwidth using UDP or TCP"; platforms = platforms.unix; license = "as-is"; maintainers = with maintainers; [ wkennington ]; }; }