aria2c - The ultra fast download utility
sudo apt-get install aria2 # 单连接下载 wget --header='Host: python.org' http://82.94.164.162/ftp/python/3.4.0/Python-3.4.0a3.tar.xz # 多连接下载 aria2c -k 1M -x 16 -s 16 --header='Host: python.org' http://82.94.164.162/ftp/python/3.4.0/Python-3.4.0a3.tar.xz