ERROR: The certificate of ‘www.baidu.com’ hasn't got a known issuer.

  1. problem
root@debian:~# wget https://www.baidu.com
--2016-08-26 11:42:20--  https://www.baidu.com/
Resolving www.baidu.com (www.baidu.com)... 14.215.177.37, 14.215.177.38
Connecting to www.baidu.com (www.baidu.com)|14.215.177.37|:443... connected.
ERROR: The certificate of ‘www.baidu.com’ is not trusted.
ERROR: The certificate of ‘www.baidu.com’ hasn't got a known issuer.
  1. sloved by
root@debian:~# apt-get install ca-certificates

参考: http://stackoverflow.com/questions/9224298/how-do-i-fix-certificate-errors-when-running-wget-on-an-https-url-in-cygwin

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