Shulou(Shulou.com)06/03 Report--

Kubernetes Command Summary set

Turn off virtual memory

Swapoff-avim / etc/fstabl#/dev/mapper/centos-swap swap

View docker environment variabl

Systemctl show-property=Environment docker

Set up agent to cancel agent

Export http_proxy= "http://127.0.0.1:8123/"unset http_proxy

View token

Kubeadm token list

Get the token command in SA

Kubectl-n kube-system get secret admin-token-nwphb-o jsonpath= {.data.token} | base64-dkubectl-n kube-system describe secret `data.token} | grep admin-token | cut-d ""-f1` | grep "token:" | tr-s "" | cut-d ""-f2

Generate token

Head-c 16 / dev/urandom | od-An-t x | tr-d''

Regenerate token that joins node

Kubeadm token create-print-join-command

View node noready reason

Journalctl-f-u kubelet

View the software version

Yum search-showduplicates xxx

Install a specific version of the software

Apt-get install-y kubelet=1.11.3-00 kubeadm=1.11.3-00 kubectl=1.11.3-00yum install-y kubelet-1.11.3 kubeadm-1.11.3 kubectl-1.11.3

Kubernetes cluster initialization

Kubeadm reset

View the images required for a specific version of kubernetes

Kubeadm-kubernetes-version=1.11.0 config images list

Force deletion of pod that has always belonged to terminating

Kubectl delete pod $POD_ID-force-grace-period=0

Deploy pod,deployment,daemonset, etc.

Kubectl create-f xxxkubectl apply-f xx

Deploy pod,deployment,daemonset, etc.

Kubectl set image deployment/nginx-deployment nginx=nginx:1.91-- recordkubectl apply-f xx (must be created through xx)

Taint the node

Kubectl taint nodes =: NoSchedule

Restore the node from the taint

Kubectl taint nodes =: NoSchedule-

Quarantine node | expel

Kubectl cordon kubectl drain

Restore node from quarantined state

Kubectl uncordon

Add node tags

Kubectl label pod redis role=backend

Delete node tags

Kubectl label pod redis role-

Summary of the record, continue to add!

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