Wordpress wp_remote_post（）给出“cURL错误6：无法解析主机” [英] Wordpress wp_remote_post() gives "cURL error 6: Could not resolve host"

问题描述

从今天早上起，我正在管理的一个wordpress网站中的一些功能不再工作了。我记录了它的响应，这给了我：

  {errors：{http_request_failed：[cURL error 6 ：无法解析主机：subdomain.example.com]}，error_data：[]} 
  

当我从那台机器手动运行curl时，我只需要html作为一个响应。由于它表示无法解析主机，我认为问题出现在域名解析为ip之前。所以我猜（但不确定）这与DNS有关系。

我真的不明白这里可能有什么问题，或者我可以调试这个。有人有建议吗？

欢迎所有提示！

解决方案

如 here 所述，由于这个 USN ：

您可能需要更新您的dist

  sudo apt-get update 
 sudo apt-get dist-upgrade 
  / pre> 
 
 
这固定了我的卷曲问题
 
 
 
 
 
 
更新
 
 
 
您将需要了解dist升级步骤，一些软件包 - 例如php   - 在更新期间将提示您询问你要更换配置文件，你必须非常了解你在做什么，保存这些文件或替换新的-default文件。
 
Since this morning some function in a wordpress site I'm managing is not working anymore. I syslogged the response from it, which gives me:
{"errors":{"http_request_failed":["cURL error 6: Could not resolve host: subdomain.example.com"]},"error_data":[]}
When I manually run curl from that machine I simply get the html as a response. Since it says it could not resolve the host, I presume the problem occurs before the domain name can be resolved to an ip. So I guess (but not sure) this has something to do with the DNS.

I really don't understand what could be wrong here or how I can debug this. Does anybody have a suggestion?

All tips are welcome!
解决方案
as mentioned here and due to this USN: 

you will may need to update your dist
sudo apt-get update
sudo apt-get dist-upgrade
this fixed my issue with curl



Update

you will need to be aware of the dist-upgrade step, some packages -such as php- during the updrage will prompt you to ask you wether you want to replace the configuration files , you must be very aware of what you are doing here , keeping those files or replacing with the new -default- files.

                        
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