{ stdenv, fetchurl }: stdenv.mkDerivation rec { name = "fping-3.4"; src = fetchurl { url = "http://www.fping.org/dist/${name}.tar.gz"; sha256 = "1zkawlk6lcqw6nakqnl3v0x1cwnxrx2lmg9q6j76mw9i96pjh9fl"; }; meta = { homepage = "http://fping.org/"; description = "A program to send ICMP echo probes to network hosts."; }; }