安装speedtest-cli：
wget -O speedtest-cli https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py
chmod
开始测试：
./speedtest-cli
[root@localhost ~]# ./speedtest-cli
Retrieving speedtest.net configuration...
Testing from China Unicom Liaoning (122.97.178.118)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Shanghai Huajuan Information Technology Co., Ltd. (Hong Kong) [15.42 km]: 140.576 ms
Testing download speed................................................................................
Download: 42.58 Mbit/s
Testing upload speed......................................................................................................
Upload: 17.13 Mbit/s
github地址：
https://github.com/sivel/speedtest-cli
Usage：
$ speedtest-cli -h
usage: speedtest-cli [-h] [--no-download] [--no-upload] [--single] [--bytes]
[--share] [--simple] [--csv]
[--csv-delimiter CSV_DELIMITER] [--csv-header] [--json]
[--list] [--server SERVER] [--exclude EXCLUDE]
[--mini MINI] [--source SOURCE] [--timeout TIMEOUT]
[--secure] [--no-pre-allocate] [--version]
Command line interface for testing internet bandwidth using speedtest.net.
--------------------------------------------------------------------------
https://github.com/sivel/speedtest-cli
optional arguments:
-h, --help show this help message and exit
--no-download Do not perform download test
--no-upload Do not perform upload test
--single Only use a single connection instead of multiple. This
simulates a typical file transfer.
--bytes Display values in bytes instead of bits. Does not
affect the image generated by --share, nor output from
--json or --csv
--share Generate and provide a URL to the speedtest.net share
results image, not displayed with --csv
--simple Suppress verbose output, only show basic information
--csv Suppress verbose output, only show basic information
in CSV format. Speeds listed in bit/s and not affected
by --bytes
--csv-delimiter CSV_DELIMITER
Single character delimiter to use in CSV output.
Default ","
--csv-header Print CSV headers
--json Suppress verbose output, only show basic information
in JSON format. Speeds listed in bit/s and not
affected by --bytes
--list Display a list of speedtest.net servers sorted by
distance
--server SERVER Specify a server ID to test against. Can be supplied
multiple times
--exclude EXCLUDE Exclude a server from selection. Can be supplied
multiple times
--mini MINI URL of the Speedtest Mini server
--source SOURCE Source IP address to bind to
--timeout TIMEOUT HTTP timeout in seconds. Default 10
--secure Use HTTPS instead of HTTP when communicating with
speedtest.net operated servers
--no-pre-allocate Do not pre allocate upload data. Pre allocation is
enabled by default to improve upload performance. To
support systems with insufficient memory, use this
option to avoid a MemoryError
--version Show the version number and exit
