it at the microk8s version of the kubernetes API server: export KUBECONFIG=/snap/microk8s/current/client.config Install etcd Install etcd as a StatefulSet into your new Kubernetes cluster. kubectl create and client-side key and cer�ficate of etcd: kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key key \ --from-file=etcd-client.crt=client.crt In case you are not using a TLS-enabled etcd, comment out the configura�on op�ons in the ConfigMap referring to the key loca�ons like this: # In case

and client-side key and certificate of etcd: kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key key \ --from-file=etcd-client.crt=client.crt Adjust the helm template generation to enable SSL for etcd and use https instead of http for the etcd endpoint URLs: helm template cilium \ --namespace that you have the Azure Cloud CLI [https://docs.microsoft.com/en-us/cli/azure/install- azure-cli?view=azure-cli-latest] installed. To verify, confirm that the following command displays the set of available

Blog posts Books Talks Further Documents API Reference Introduction How to access the API CLI Client Golang Package Compatibility Guarantees API Reference Hubble internals Hubble Architecture Hubble level=fatal msg="Unable to initialize Kubernetes subsystem" error="unable to create k8s client: unable to create k8s client: Get https://10.96.0.1:443/api/v1/namespaces/kube-system: dial tcp 10.96.0.1:443: and client-side key and certificate of etcd: kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key \

Blog posts Books Talks Further Documents API Reference Introduction How to access the API CLI Client Golang Package Compatibility Guarantees API Reference Reference Command Cheatsheet Command utilities: level=fatal msg="Unable to initialize Kubernetes subsystem" error="unable to create k8s client: unable to create k8s client: Get https://10.96.0.1:443/api/v1/namespaces/kube-system: dial tcp 10.96.0.1:443: and client-side key and certificate of etcd: kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key

Blog posts Books Talks Further Documents API Reference Introduction How to access the API CLI Client Golang Package Compatibility Guarantees API Reference Internals Hubble internals Hubble Architecture pre-installed (BYOCNI). See Azure Cloud CLI [https://docs.microsoft.com/en-us/cli/azure/install-azure-cli? view=azure-cli-latest] for instructions on how to install az and prepare your account, and the Bring your com/en-us/azure/aks/]. See Azure Cloud CLI [https://docs.microsoft.com/en-us/cli/azure/install-azure-cli?view=azure-cli-latest] for instructions on how to install az and prepare your account. export NAME="$(whoami)-$RANDOM"

Blog posts Books Talks Further Documents API Reference Introduction How to access the API CLI Client Golang Package Compatibility Guarantees API Reference Hubble internals Hubble Architecture Hubble level=fatal msg="Unable to initialize Kubernetes subsystem" error="unable to create k8s client: unable to create k8s client: Get https://10.96.0.1:443/api/v1/namespaces/kube-system: dial tcp 10.96.0.1:443: and client-side key and certificate of etcd: kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key \

Blog posts Books Talks Further Documents API Reference Introduction How to access the API CLI Client Golang Package Compatibility Guarantees API Reference Internals Hubble internals Hubble Architecture pre-installed (BYOCNI). See Azure Cloud CLI [https://docs.microsoft.com/en-us/cli/azure/install-azure-cli? view=azure-cli-latest] for instructions on how to install az and prepare your account, and the Bring your com/en-us/azure/aks/]. See Azure Cloud CLI [https://docs.microsoft.com/en-us/cli/azure/install-azure-cli?view=azure-cli-latest] for instructions on how to install az and prepare your account. export NAME="$(whoami)-$RANDOM"

network stack node1 kernel network stack eth0 xdp/tc eBPF tc ingress veth veth step2 client -> pod2 : targetPort node IP and nodePort inserted to option field of ipv4 header , or to extension redirect_neigh step1 client -> node1 : nodePort step3 client -> pod2 : targetPort native DSR DNAT and No SNAT step4 pod2:targetPort -> client step6 node2 : nodePort -> client client step5 node2 : : nodePort -> client unNAT source IP by recored info record the nodeIP and nodePort extracted from the IP header eBPF 加速本地通信 本地应用间的通信，需要经历冗长的内 核协议栈处理。尤其在 serviceMesh 流行趋 势下，sideCar 的重定向加速，成为重要话题。