could not resolve host error when trying to setup d21-en

xsha@mint20:~/Downloads/d21-en$ curl -o
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:–:-- --:–:-- --:–:-- 0curl: (6) Could not resolve host:

Hi, every one!
I am a totally new comer. the first time trying to setup d21, i got the above error. What i can do to solve this problem?

i tried in a stand alone linux PC and got the same error.
the above try was done in a Vmare linux. i thought it was the network connection promblem. I am living in China, so I start a VPN to do this, but still has the problem.

any help would be greatly appreciated!

你好,这是网络问题。你可以直接访问 将文件下载到本地,然后上传到你的服务器即可