No.1: yum -y install wget
No.1: wget -O ookla-speedtest-1.0.0-x86_64-linux.tgz https://bintray.com/ookla/download/download_file?file_path=ookla-speedtest-1.0.0-x86_64-linux.tgz
No.1: tar zxvf ookla-speedtest-1.0.0-x86_64-linux.tgz
No.1: ./speedtest -s 36071 No.2: y