kubernetesコマンド大全

    
#       
kubectl cluster-info

systemctl status kube-apiserver
systemctl status kubelet
systemctl status kube-proxy
systemctl status kube-scheduler
systemctl status kube-controller-manager
systemctl status docker
 
node  
#   namespaces
kubectl get namespaces

#      lable
kubectl label nodes 10.126.72.31 points=test

#      lable
kubectl get nodes --show-labels

#     
kubectl get componentstatuses

# Node      
##   
kubectl cordon k8s-node1

##   
kubectl uncordon k8s-node1
 
  
#   nodes  
kubectl get nodes

#   yaml    
kubectl get -f xxx-yaml/

#     
kubectl get resourcequota

# endpoints 
kubectl get endpoints

#   pods

#       `kube-system` pods
kubectl get po -n kube-system

#        
kubectl get pods -o wide --all-namespaces

#      
kubectl get pod -o wide --namespace=kube-system

#   svc
kubectl get svc --all-namespaces

#     
kubectl get services --all-namespaces

#   lable  
kubectl get pods -l app=nginx -o yaml|grep podIP

#        pod       ，    pods
kubectl describe pod xxx

#     
kubectl get events --all-namespaces
 
    pod
#     pods
kubectl delete pods --all

#         lable pod serivce
kubectl delete pods,services -l name=

#   ui server,    
kubectl delete deployments kubernetes-dashboard --namespace=kube-system
kubectl delete services kubernetes-dashboard --namespace=kube-system

#       
kubectl delete deployment kafka-1

#   rc
kubectl delete rs --all && kubectl delete rc --all

##     Terminating   pod
kubectl delete deployment kafka-1 --grace-period=0 --force
 
  
#   
kubectl apply -f xxx.yaml --record

#   
kubectl rollout undo deployment javademo

#         
kubectl rollout history deployment {  }
 
    
#          
kubectl logs -f kube-dns-699984412-vz1q6 -n kube-system

kubectl logs --tail=10 nginx  

#          
kubectl logs kube-dns-699984412-n5zkz -c kubedns --namespace=kube-system
kubectl logs kube-dns-699984412-vz1q6 -c dnsmasq --namespace=kube-system
kubectl logs kube-dns-699984412-mqb14 -c sidecar --namespace=kube-system

#    
journalctl -f

#           
sudo journalctl -f -u kube-scheduler.service
service kube-scheduler status -l -f

#  yaml      
kubectl -n kube-system get pod kube-apiserver-ha-proxy-k8s-node-1 -o yaml
 
  
#     
kubectl scale rc xxxx --replicas=3
kubectl scale rc mysql --replicas=1
kubectl scale --replicas=3 -f foo.yaml
 
  
#   
nohup kubectl proxy --address='10.1.70.247' --port=8001 --accept-hosts='^*$' >/dev/null 2>&1 &

#     
kubectl exec kube-dns-699984412-vz1q6 -n kube-system -c kubedns ifconfig
kubectl exec kube-dns-699984412-vz1q6 -n kube-system -c kubedns ifconfig /bin/bash

#        
kubectl exec kube-dns-4140740281-pfjhr -c etcd --namespace=kube-system etcdctl get /skydns/local/cluster/default/redis-master
 
      
while true; do sleep 1; done
 
    
#       （        ）
kubectl rollout pause deployment xxx

#       
kubectl rollout resume deployment xxx

#     、cpu  
kubectl set resources deployment xxx -c=xxx --limits=cpu=200m,memory=512Mi --requests=cpu=1m,memory=1Mi

#   storageclass   
kubectl patch storageclass  -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
 
  
#      
kubectl create -f dashboard-controller.yaml
kubectl delete -f dashboard-dashboard.yaml

#     pods     
kubectl exec xxx env

#   dns   
kubectl exec busybox -- nslookup kube-dns.kube-system

# kube-proxy  
systemctl status kube-proxy -l

# token 
kubectl get serviceaccount/kube-dns --namespace=kube-system -o yaml|grep token



# status   ：

CrashLoopBackOff：     ，kubelet       

InvalidImageName：          

ImageInspectError：        

ErrImageNeverPull：          

ImagePullBackOff：        

RegistryUnavailable：          

ErrImagePull：           

CreateContainerConfigError：     kubelet        

CreateContainerError：        

m.internalLifecycle.PreStartContainer   hook   

RunContainerError：        

PostStartHookError：   hook   

ContainersNotInitialized：           

ContainersNotReady：          

ContainerCreating：      

PodInitializing：pod      

pending ：    （             ：cpu，memory）

Terminating：     （         ）

DockerDaemonNotReady：docker        

NetworkPluginNotReady：             

Evicted：      ，           ，kubernetes              Pod。              。