這個錯跟https://blog.csdn.net/lixuande19871015/article/details/88788699裏面的錯誤看上去有些不太一樣
curl -v https://www.baidu.com
* Cert verify failed: BADCERT_NOT_TRUSTED
curl: (51) Cert verify failed: BADCERT_NOT_TRUSTED
但其實都是缺少證書，按照https://blog.csdn.net/lixuande19871015/article/details/88788699
中的方法一樣解決。
配置完證書結果是這樣：
curl -v https://www.baidu.com
> GET / HTTP/1.1
> User-Agent: curl/7.38.0
> Host: www.baidu.com
> Accept: */*
>
< HTTP/1.1 200 OK
< Accept-Ranges: bytes
< Cache-Control: private, no-cache, no-store, proxy-revalidate, no-transform
< Connection: Keep-Alive
< Content-Length: 2443
< Content-Type: text/html
< Date: Fri, 05 Apr 2019 09:52:22 GMT
< Etag: "588603ec-98b"
< Last-Modified: Mon, 23 Jan 2017 13:23:56 GMT
< Pragma: no-cache
< Server: bfe/1.0.8.18
< Set-Cookie: BDORZ=27315; max-age=86400; domain=.baidu.com; path=/
<
<!DOCTYPE html>
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