步驟很簡單一共兩步，安裝一步，使用一步。

sudo apt-get install apache2-utils

ab -n 10000 -c 100 https://www.baidu.com/

注意:

使用ubuntu16.04安裝ab是非常便捷的，為了防止安裝失敗造成的影響，安裝成功後，最好還是ab -V確認一下。

測試結果如下:

This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.baidu.com (be patient).....done


Server Software:        BWS/1.1
Server Hostname:        www.baidu.com
Server Port:            443
SSL/TLS Protocol:       TLSv1.2,ECDHE-RSA-AES128-GCM-SHA256,2048,128

Document Path:          /
Document Length:        227 bytes

Concurrency Level:      10
Time taken for tests:   5.685 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      89300 bytes
HTML transferred:       22700 bytes
Requests per second:    17.59 [#/sec] (mean)
Time per request:       568.508 [ms] (mean)
Time per request:       56.851 [ms] (mean, across all concurrent requests)
Transfer rate:          15.34 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:       26  349 605.2     71    4168
Processing:     8  100 125.5     21     611
Waiting:        7   93 125.0     12     608
Total:         42  449 687.6     90    4478

Percentage of the requests served within a certain time (ms)
  50%     90
  66%    571
  75%    677
  80%    759
  90%   1179
  95%   1703
  98%   3771
  99%   4478
 100%   4478 (longest request)