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when I am trying to setup pod network using the following
sudo kubectl apply -f https://docs.projectcalico.org/v3.1/getting-started/kubernetes/installation/hosted/rbac-kdd.yaml
I get this error, please help
unable to recognize "https://docs.projectcalico.org/v3.1/getting-started/kubernetes/installation/hosted/rbac-kdd.yaml": Get http://localhost:8080/api?timeout=32s: dial tcp 127.0.0.1:8080: connect: connection refused
unable to recognize "https://docs.projectcalico.org/v3.1/getting-started/kubernetes/installation/hosted/rbac-kdd.yaml": Get http://localhost:8080/api?timeout=32s: dial tcp 127.0.0.1:8080: connect: connection refused
UPDATE: Doesn't seem to be a permission issue, unlike other question
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The command set kubectl apply is used at a terminal's command-line window to create or modify Kubernetes resources defined in a manifest file. This is called a declarative usage. The state of the resource is declared in the manifest file, then kubectl apply is used to implement that state.
Kubectl apply apply manages applications through files defining Kubernetes resources. It creates and updates resources in a cluster through running kubectl apply . This is the recommended way of managing Kubernetes applications on production. See Kubectl Book.
By default, kubectl configuration is located at ~/. kube/config . If you see a URL response, kubectl is correctly configured to access your cluster. If you see a message similar to the following, kubectl is not configured correctly or is not able to connect to a Kubernetes cluster.
What this says is that you can create or modify contexts in your kubeconfig file with the command kubectl config set-context. This command also accepts the name of the context to be changed (or --current if you want to change the current context), as well as --user, --cluster, and --namespace options.
Found that it's an issue with kubectl not being configured properly.
Fixed the issued by using the following commands for calico network(change accordingly for your network addon plugin)
sudo kubeadm init --pod-network-cidr=192.168.0.0/16
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
and then run
sudo kubectl apply -f https://docs.projectcalico.org/v3.1/getting-started/kubernetes/installation/hosted/rbac-kdd.yaml
and follow the rest accordingly
183
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