k8s

docker

https://www.yuque.com/duduniao/docker

K8s

https://www.yuque.com/duduniao/k8s

原版课件，不过只有上半部

https://www.cnblogs.com/yanyanqaq/p/12607713.html

k8s系列

https://www.cnblogs.com/noah-luo/category/1810121.html

单机版kubernetes1.18.2安装 亲测安装成功

https://blog.csdn.net/llinyunxia/article/details/106149566

从k8s到iptables、ipvs

https://my.oschina.net/u/4621641/blog/4517349

概念 - Kubernetes 节点

https://blog.csdn.net/stevenchen1989/article/details/105464850

kubelet 状态上报的方式

https://www.jianshu.com/p/0a0721dc7775

kubectl get node xxx -o yaml 可以看到 node 所有的状态的信息，其中 status 中的信息都是 kubelet 需要上报的，所以 kubelet 不止上报心跳信息还上报节点信息、节点 OOD 信息、内存磁盘压力状态、节点监控状态、是否调度等。

 

kubernetes中文社区

http://docs.kubernetes.org.cn

docker login docker.io/oldboy1103/nginx:curl

docker pull oldboy1103/nginx:curl

docker images|grep curl

docker tag hashOfImageOfcurl harbor.od.com/public/nginx:curl

docker push !$

docker push harbor.od.com/public/nginx:curl

 

 

查看namespace

kubectl get namespace或ns

default

kube-node-lease

kube-public

kube-system

创建namespace

kubectl create namespace app

删除namespace

kubectl delete namespace app

查看default namespace所有资源

kubectl get all -n default

查看deployment

kubectl get deploy -n kube-public

查看deployment详情

kubectl describe deployment deploymentName -n kube-public

创建deployment

kubectl create deployment(或deploy) deploymentName --image=harbor.od.com/public/nginx:v1.7.9 -n kube-public

删除deployment

kubectl delete deployment deploymentName --image=harbor.od.com/public/nginx:v1.7.9 -n kube-public

scale deployment'

kubectl scale deployment deploymentName --replicas 2 -n kube-public

查看pod

kubectl get pods(或pod) -n kube-public -o wide

kubectl get pods podName -n kube-public -o yaml

删除pod（重启）

kubectl delete pod podName -n kube-public

watch观察pod

watch -n 1 'kubectl describe deployment deploymentName -n kube-public|grep -C 5 Events'

强制删除pod

--force --grace-period=0

进入pod

kubectl exec -ti podName /bin/bash(or bash) -n kube-public

docker ps -a|grep nginx-dp

docker exec -ti 530e(hash前4位) bash

创建service

kubectl expose deployment deploymentName --port=80 -n kube-public

ipvsadm -Ln

vi nginx-ds-svc.yaml

kubectl create/apply -f nginx-ds-svc.yaml

kubectl edit svc svcName

查看service

kubectl get svc -n kube-public

kubectl get svc svcName -n kube-public -o yaml

kubectl describe svc svcName -n kube-public

kubectl explain service.metadata

删除service

kubectl delete svc svcName

kubectl delete -f svcName.yaml

查看log

kubectl get pods -o wide

kubectl log -f podName

route add -net 172.7.22.0/24 gw 10.4.7.22 dev eth0

route del -net 172.7.22.0/24 gw 10.4.7.22

route -n

apt-get install net-tools -y

apt-get install icmp-ping 

 iptables-save|grep -i postrouting