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1.首先安装kubectl

1.1验证自己系统

uname -m

1.2

按照步骤安装

在 Linux 系统中安装并设置 kubectl | Kubernetes

1.3 阿里云配置

通过kubectl连接Kubernetes集群_容器服务 Kubernetes 版 ACK(ACK)-阿里云帮助中心

2.验证

阿里云config直接导出，直接扔到.kube/ 位置也行

mkdir ~/.kube/
cd ~/.kube/
vim config
kubectl get node,pod,svc

3.1 多config配置

//合并配置
KUBECONFIG=$HOME/.kube/config_latest:$HOME/.kube/config_qa kubectl config view --merge --flatten > config
//永久生效
echo 'export KUBECONFIG=$HOME/.kube/config' >> ~/.bashrc                                      
source ~/.bashrc//查看当前配置
kubectl config current-context
kubectl config get-contexts

3.2 合成config事例

apiVersion: v1
clusters:
- cluster:certificate-authority-data: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSURUakNDQWphZ0F3SUJBZ0lVU1dWMW5XdEd0Q0FGcmxU3RUdi9PRUZ3cWtXWHRaZ3NlcEMxNUlURW4234234234l5OGUyTHZtSFBTMjhWa0NQenhkCkVaK0l0SEhQUHp2TU4zTGxZeFZiL0lXWnVtQzhCbFhHSmxRbDJER1J3OEJjWXFGUWpySGx2TXV3NnhOUmVzeVoKY1lCOEY0Q0pjUUczRzdTQTFERkpCdmRIMm1ZTGkyZTIrNEUvc05KZG5hdElqajUwTm5KT3VUWHRGc0JRb1E2ZgozVk45NmFsaWFlM1pmNGM3Wkw4aFh0WXdjUkdmS292TVpnVkoxRytOdnRXajNnPT0KLS0tLS1FTkQgQ0VSVElGSUNBVEUtLS0tLQo=server: https://4.1.1.4:6443name: latest
- cluster:certificate-authority-data: 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server: https://7.1.31:6443name: qa
contexts:
- context:cluster: qauser: "204665595022800847-c216c8c771a6441f78dd51d0bc8923837"name: 204665595022800847-c216c8c771a6441f78dd51d0bc8923837
- context:cluster: latestuser: "204665595022800847-c6cb2271ee11946efb633f6f0e8ee1dc1"name: 204665595022800847-c6cb2271ee11946efb633f6f0e8ee1dc1
current-context: 204665595022800847-c216c8c771a6441f78dd51d0bc8923837
kind: Config
preferences: {}
users:
- name: "204665595022800847-c6cb2271ee11946efb633f6f0e8ee1dc1"user:client-certificate-data: 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client-key-data: LS0tLS1CRUdJTiBSU0EgUFJJVkFURSBLRVktLS0tLQpNSUlFb2dJQkFBS0NBUUVBdDZkbGE0N0oxK255eWZsN2JJd0M0U3hLZHVLc2RpV3pGT2dYUC95Tmx1ZmRLVndpCkxwaUtLMG5nZkFpVVRsL0crcU53ZzZpT3ppV2hHMklnN3ZyaEFmcFdEcW5pRGtoWnFvcG9XQlpVZlZVNzAveXIKQmtoZ3dQdHduOWNGdFFyemxGTWtIQnIrZldDWEJvTVVsZWytOQ0hET0ZIRmU4Qm54234234PaXVwVG9ZSGFlZGpBcjZueHFhVWxJWGdJUnpTOHFLSQpLTjNXdW9lK1l2cXRIK0VJZ1RvK3NUc1BEcW41N3ZMZG1mRG1xdW4yK2FheTd6MS9nczFXNmhXbVpTdHFxaWRoCmN5VlJBb0dBZVJzaWJGOFprTkNaekhQYVNDL0F4WDllQzh4SVVOZDFzd2RNZm9nTjBDUmRRV1Brb3Q0Uk5DZ20KUE1HOExERUxMenhlSWF4Tnc4aXFuTHVaNEMrSU55bHB6RGx1M0syckQ5MDZPcVU4a0NqTDBJVkdKcEc5QUg0dgpNLzdlalpYU1ZlNGl1bGpXTFMyS1gvMWtGK0xHVkJJRDg5OVFoRTFBdjFUM1ZnNHhoVnc9Ci0tLS0tRU5EIFJTQSBQUklWQVRFIEtFWS0tLS0tCg==
- name: "204665595022800847-c216c8c771a6441f78dd51d0bc8923837"user:client-certificate-data: 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-key-data: 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