Unable to pull docker images generally

General
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1

Hello. I’m having this problem where I can’t pull docker images.

I keep getting this error.

(HTTP code 500) server error - failed to resolve reference "docker.io/library/mongo:latest": failed to do request: Head "https://registry-1.docker.io/v2/library/mongo/manifests/latest": EOF

I tried pinging docker.io, but the request times out.

PING docker.io (54.156.140.159): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2

I got a suggestion one time that I have a networking issue and I might be geo blocked. But I don’t think so.

2

Since it says HTTP code 500, that means something responded so indeed it is not a networking issue. At least not a usual connection issue.

icmp packages for ping can be blocked. I can’t ping it either.

You should “curl” the URL

curl -L -vvv https://registry-1.docker.io/v2/library/mongo/manifests/latest

My guess is that you have a proxy or firewall between your machine and the registry so you it blocks your request. Since you got an HTTP response code, I suspect a proxy.

3

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