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FAQ

Debugging

What can I do to help?

  1. First, please refrain from immediately resetting/uninstalling Docker for Mac: it will destroy the logs we need to understand the problem.
  2. Make sure you are using the latest version of your channel (Stable or Edge).
  3. Generate and upload the diagnostics (from the 🐳 menu, "Diagnose and Feedback")
  4. If you are running Stable, consider the possibility of checking whether the most recent Edge release addresses your concerns. Because we continuously improve the Diagnostics, it does help us if you can provide Diagnostics with the most recent release of Docker for Mac.
  5. Check whether there are open issues similar to your problem
  6. Create a new issue, with a meaningful title, the Diagnostic ID you obtained above, and all the relevant details.

Versions of Docker for Mac

Downgrading

There is no GUI interface to install a previous version of Docker for Mac, however you can still download previous versions from here:

https://docs.docker.com/docker-for-mac/release-notes/

Note the "Download" link for each release.

Kubernetes

How can I get logs

docker run --rm -it --privileged --pid=host justincormack/nsenter1 /bin/sh -c "cat /var/log/kubelet.err.log"

getsockopt: connection refused

When reading kubelet.err.log I have tons of:

E0131 10:04:34.458760    1193 kubelet_node_status.go:107] Unable to register node "docker-for-desktop" with API server: Post https://192.168.65.3:6443/api/v1/nodes: dial tcp 192.168.65.3:6443: getsockopt: connection refused
E0131 10:04:35.403894    1193 reflector.go:205] k8s.io/kubernetes/pkg/kubelet/config/apiserver.go:47: Failed to list *v1.Pod: Get https://192.168.65.3:6443/api/v1/pods?fieldSelector=spec.nodeName%3Ddocker-for-desktop&resourceVersion=0: dial tcp 192.168.65.3:6443: getsockopt: connection refused
E0131 10:04:35.403894    1193 reflector.go:205] k8s.io/kubernetes/pkg/kubelet/kubelet.go:422: Failed to list *v1.Node: Get https://192.168.65.3:6443/api/v1/nodes?fieldSelector=metadata.name%3Ddocker-for-desktop&resourceVersion=0: dial tcp 192.168.65.3:6443: getsockopt: connection refused
E0131 10:04:35.404825    1193 reflector.go:205] k8s.io/kubernetes/pkg/kubelet/kubelet.go:413: Failed to list *v1.Service: Get https://192.168.65.3:6443/api/v1/services?resourceVersion=0: dial tcp 192.168.65.3:6443: getsockopt: connection refused
E0131 10:04:36.405465    1193 reflector.go:205] k8s.io/kubernetes/pkg/kubelet/config/apiserver.go:47: Failed to list *v1.Pod: Get https://192.168.65.3:6443/api/v1/pods?fieldSelector=spec.nodeName%3Ddocker-for-desktop&resourceVersion=0: dial tcp 192.168.65.3:6443: getsockopt: connection refused
E0131 10:04:36.405721    1193 reflector.go:205] k8s.io/kubernetes/pkg/kubelet/kubelet.go:422: Failed to list *v1.Node: Get https://192.168.65.3:6443/api/v1/nodes?fieldSelector=metadata.name%3Ddocker-for-desktop&resourceVersion=0: dial tcp 192.168.65.3:6443: getsockopt: connection refused
...

This is not a problem: this is kubelet trying to connect to API server when the latter is not reading ready yet.