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Dean Schulze
Asked: 2020-04-20 08:10:43 +0800 CST

How do I completely remove cilium from Ubuntu 18?

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I installed cilium with:

kubectl create -f https://raw.githubusercontent.com/cilium/cilium/1.7.2/install/kubernetes/quick-install.yaml

A couple minutes later the network connectivity on the host went down (could connect out from the host but not in from another host). I deleted cilium with

kubectl delete -f https://raw.githubusercontent.com/cilium/cilium/1.7.2/install/kubernetes/quick-install.yaml

and rebooted. That restored my network connectivity, but the syslog gets messages like this every 5 seconds:

Apr 19 10:07:48 tv kubelet[19221]: W0419 10:07:48.258636 19221 cni.go:202] Error validating CNI config list {"cniVersion":"0.3.1","name":"cilium","plugins":[{"cniVersion":"0.3.1","enable-debug":false,"name":"cilium","type":"cilium-cni"}]}: [failed to find plugin "cilium-cni" in path [/opt/cni/bin]]

What do I have to do to completely remove cilium?

kubernetes ubuntu-18.04 cilium

1 Answers

  1. hi，you can try check this directory of each node

    /etc/cni/net.d/05-cilium.conf

    and delete this file:

    05-cilium.conf

    e.g:

    rm /etc/cni/net.d/05-cilium.conf

    Finally, restart the flannel daemonsets

    kubectl rollout restart daemonsets kube-flannel-ds-amd64 -nkube-system
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