|NO.Z.00094|——————————|^^ 升级 ^^|——|KuberNetes&二进制升级.V05|——|kubernetes组件|kubectl.v1.17.0——>v1.19.5|

一、kubernetes升级k8s-master01组件kubectl.v1.17.0——>v1.19.5

### --- 查看k8s-master01组件kubectl历史版本
~~~     查看kubectl历史版本

[root@k8s-master01 ~]# /usr/local/bin/kubectl version
Client Version: version.Info{Major:"1", Minor:"20", GitVersion:"v1.17.0", GitCommit:"8a62859e515889f07e3e3be6a1080413f17cf2c3", GitTreeState:"clean", BuildDate:"2021-04-15T03:28:42Z", GoVersion:"go1.15.10", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"20", GitVersion:"v1.17.0", GitCommit:"8a62859e515889f07e3e3be6a1080413f17cf2c3", GitTreeState:"clean", BuildDate:"2021-04-15T03:19:55Z", GoVersion:"go1.15.10", Compiler:"gc", Platform:"linux/amd64"}

二、备份k8s-master01组件kubectl历史版本

### --- 备份kubectl版本

[root@k8s-master01 ~]# which kubectl
/usr/local/bin/kubectl
[root@k8s-master01 ~]# mkdir /usr/local/bin/kubectl.bak
[root@k8s-master01 ~]# cp /usr/local/bin/kubectl /usr/local/bin/kubectl.bak/

三、升级k8s-master01组件kubectl组件服务

### --- 升级kubectl服务

[root@k8s-master01 ~]# cp upgrade/master/kubernetes/server/bin/kubectl /usr/local/bin/
cp: overwrite ‘/usr/local/bin/kubectl’? y

四、查看k8s-master01组件kubectl组件服务

### --- 查看kubectl版本

[root@k8s-master01 ~]# /usr/local/bin/kubectl version
Client Version: version.Info{Major:"1", Minor:"19", GitVersion:"v1.19.5", GitCommit:"e338cf2c6d297aa603b50ad3a301f761b4173aa6", GitTreeState:"clean", BuildDate:"2020-12-09T11:18:51Z", GoVersion:"go1.15.2", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"19", GitVersion:"v1.19.5", GitCommit:"e338cf2c6d297aa603b50ad3a301f761b4173aa6", GitTreeState:"clean", BuildDate:"2020-12-09T11:10:32Z", GoVersion:"go1.15.2", Compiler:"gc", Platform:"linux/amd64"}

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Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to depart

                                                                                                                                                   ——W.S.Landor

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