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[CloudNative：KuberNetes&書籤.V15]                                                                      [Applications.KuberNetes] [|DevOps|kubernetes|k8s.二進位制1.20|網路規劃|常用操作|]

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一、常用操作

### --- 網路規劃

~~~     10.96.0.0/12                                //  k8s Service網段
~~~     172.16.0.0/12                               //  k8s Pod網段
~~~     centos7.x 10.10.10.11    192,168.1.11       //  master01    2C2G 40G
~~~     centos7.x 10.10.10.12    192,168.1.12       //  master02    2C2G 40G
~~~     centos7.x 10.10.10.13    192,168.1.13       //  master03    2C2G 40G
~~~     centos7.x 10.10.10.20    192.168.1.20       //  VIP                 
~~~     centos7.x 10.10.10.14    192,168.1.14       //  node01      2C2G 40G
~~~     centos7.x 10.10.10.15    192,168.1.15       //  node02      2C2G 40G
 

二、常用操作引數

### --- 常用操作引數

~~~     # 時間同步服務：
[root@k8s-master01 ~]# ntpdate time2.aliyun.com
 
~~~     # 切換到1.20x分支：
[root@k8s-master01 ~]# cd k8s-ha-install && git checkout manual-installation-v1.20.x

~~~     # 檢視etcd狀態：
[root@k8s-master01 ~]# etcdctl --endpoints="192.168.1.13:2379,192.168.1.12:2379,192.168.1.11:2379" --cacert=/etc/kubernetes/pki/etcd/etcd-ca.pem --cert=/etc/kubernetes/pki/etcd/etcd.pem --key=/etc/kubernetes/pki/etcd/etcd-key.pem  endpoint status --write-out=table

~~~     # vip測試： ping 
[root@k8s-master01 ~]# 192.168.1.20 -t 4
 

~~~     # telnet測試： 
[root@k8s-master01 ~]# telnet 192.168.1.20 8443
 
~~~     # 系統日誌檢視：
[root@k8s-master01 ~]# cat /var/log/messages        
[root@k8s-master01 ~]# tail -f /var/log/messages 

~~~     # 檢視叢集狀態：
[root@k8s-master01 ~]# kubectl get node

~~~     # 檢視容器狀態：
[root@k8s-master01 ~]# kubectl  get po -n kube-system
 

~~~     # 檢視CoreDNS：
[root@k8s-master01 ~]# kubectl get po -n kube-system -l k8s-app=kube-dns

~~~     # 檢視metrics server：
[root@k8s-master01 ~]# kubectl get po -n kube-system

~~~     # 檢視node：
[root@k8s-master01 ~]# kubectl top node      
[root@k8s-master01 ~]# kubectl top po -A
 
~~~     # 檢視埠號：
[root@k8s-master01 ~]# kubectl get svc kubernetes-dashboard -n kubernetes-dashboard

~~~     # Dashboard地址：https://192.168.1.20:30008（請更改30008為自己的埠）

~~~     https://192.168.1.20:30008

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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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來自為知筆記(Wiz)