Difference between revisions of "Kubeadm init"
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== See also == | == See also == | ||
* {{kubeadm}} | * {{kubeadm}} | ||
− | * {{ | + | * {{Kubernetes installation}} |
[[Category:Kubernetes]] | [[Category:Kubernetes]] |
Revision as of 21:03, 5 September 2022
kubeadm init
to bootstrap a Kubernetes control-plane node
kubeadm init --pod-network-cidr=10.244.0.0/16
kubeadm init --ignore-preflight-errors=All
Contents
With errors
kubeadm init --pod-network-cidr=10.244.0.0/16 W0419 17:17:35.020389 29884 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io] [init] Using Kubernetes version: v1.18.2 [preflight] Running pre-flight checks [preflight] WARNING: Couldn't create the interface used for talking to the container runtime: docker is required for container runtime: exec: "docker": executable file not found in $PATH [WARNING FileExisting-socat]: socat not found in system path [WARNING Service-Kubelet]: kubelet service is not enabled, please run 'systemctl enable kubelet.service' error execution phase preflight: [preflight] Some fatal errors occurred: [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2 [ERROR FileExisting-crictl]: crictl not found in system path [ERROR FileContent--proc-sys-net-bridge-bridge-nf-call-iptables]: /proc/sys/net/bridge/bridge-nf-call-iptables does not exist [ERROR FileExisting-conntrack]: conntrack not found in system path [ERROR KubeletVersion]: couldn't get kubelet version: cannot execute 'kubelet --version': executable file not found in $PATH [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...` To see the stack trace of this error execute with --v=5 or higher
[ERROR NumCPU]: the number of available CPUs 1 is less than the required 2
kubeadm init --pod-network-cidr=10.244.0.0/16 --ignore-preflight-errors=All
With errors: docker not installed
kubeadm init
W0823 18:18:03.055636 30827 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io] [init] Using Kubernetes version: v1.18.8 [preflight] Running pre-flight checks [preflight] WARNING: Couldn't create the interface used for talking to the container runtime: docker is required for container runtime: exec: "docker": executable file not found in $PATH [WARNING FileExisting-socat]: socat not found in system path [WARNING Service-Kubelet]: kubelet service is not enabled, please run 'systemctl enable kubelet.service' error execution phase preflight: [preflight] Some fatal errors occurred: [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2 [ERROR FileExisting-crictl]: crictl not found in system path [ERROR FileContent--proc-sys-net-bridge-bridge-nf-call-iptables]: /proc/sys/net/bridge/bridge-nf-call-iptables does not exist [ERROR FileContent--proc-sys-net-ipv4-ip_forward]: /proc/sys/net/ipv4/ip_forward contents are not set to 1 [ERROR FileExisting-conntrack]: conntrack not found in system path [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...` To see the stack trace of this error execute with --v=5 or higher
Related terms
conntrack (command)
Netfilter (apt install conntract
)socat
:apt install socat
kubeadm config images pull
- Kubernetes (snap install)
kubeadm join
See also
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