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How do I stop Docker trying to pull from IPv6? (aussie.zone)
submitted 1 year ago by to c/selfhosted@lemmy.world
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I'm currently trying to install Docker on my old Raspberry Pi (3 Model B+) to host some personal projects. When I run docker run hello-world, I get:

Unable to find image 'hello-world:latest' locally
docker: Error response from daemon: Get "https://registry-1.docker.io/v2/library/hello-world/manifests/sha256:ec153840d1e635ac434fab5e377081f17e0e15afab27beb3f726c3265039cfff": dial tcp [2600:1f18:2148:bc00:eff:d3ae:b836:fa07]:443: connect: network is unreachable

My Internet connection does not support IPv6 at all, which would explain why this error occurs. But how do I force docker-pull to only use IPv4?

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[–] [S] 1 point 1 year ago (2 children)

Do you have no ipv6 address now in ip addr

Just comparing it by eye, there's no change.

zag@raspberrypi:~ $ man dig
No manual entry for dig
zag@raspberrypi:~ $ which dig
zag@raspberrypi:~ $ sudo apt install dig
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package dig

But if I ping it

$ ping registry-1.docker.io
PING registry-1.docker.io (107.20.112.188) 56(84) bytes of data.
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