curl -s https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py | python3
测试结果：
xiaojf@home:~/Downloads$ curl -s https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py | python3 Retrieving speedtest.net configuration... Testing from China Mobile Guangdong (112.5.168.233)... Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by China Unicom FuJian (Fuzhou) [216.02 km]: 15.373 ms Testing download speed................................................................................ Download: 92.91 Mbit/s Testing upload speed...................................................................................................... Upload: 39.74 Mbit/s
