Unable to connect to the server: x509: certificate is valid for 10.96.0.1, 10.0.1.76, not 119.28.78.191
报错原因：
 
Connection error: Get https://119.28.78.191:6443/api/v1/namespaces/default/pods?limit=500: x509: certificate is valid for 10.96.0.1, 10.0.1.76, not 119.28.78.191
由于我使用的是云主机，k8s证书签名的时候签的是内网ip，并不是eip，外网ip ，所以证书认证失败，跳过证书认证即可
 解决办法：
 
 kubectl get po  --insecure-skip-tls-verify
 % kubectl get po  --insecure-skip-tls-verify
NAME                                  READY   STATUS    RESTARTS   AGE
busybox-cd8b7db95-rvn9p               1/1     Running   1          4d4h
demotest-helmtest-5dc8649987-jzgfb    1/1     Running   0          23h
demotest2-helmtest-55585789d5-6cpz6   1/1     Running   0          23h
helmtest-1-7f86dd445b-2htjn           1/1     Running   0          3d17h
helmtest-bcb4854b6-phtbg              1/1     Running   0          3d17h
                    背景：Unable to connect to the server: x509: certificate is valid for 10.96.0.1, 10.0.1.76, not 119.28.78.191报错原因：Connection error: Get https://119.28.78.191:6443/api/v1/namespaces/default/pods?limit=500: x509: certificate is valid for 10.96.0.1, 10.0.1.7
				
执行：kubectl get node
报错：Unable to connect to the server: x509: certificate has expired or is not yet valid
后来在官网搜索资料，找到一篇文章：https://kubesphere.com.cn/forum/d/6102-kk
从这篇文章看到一个大佬出了解决方案：https://jwangkun.github.io/OYyruQGSe/
还有这篇：https://jwangkun.github.io/S
node节点加入集群中是报错：
x509: certificate is valid for 10.96.0.1, 172.18.255.243, not 120.79.23.226
具体详细信息如下：
通过网上查找：https:/...
				
[root@k8s-n0 kuboard-install]# kubeadm alpha certs check-expiration
[check-expiration] Reading configuration from the cluster...
[check-expiration] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml'
[check-expi
				
kubectl apply -f https://rancher.test.cn/v3/import/xlxwdf6fz6jtgrfcmscs79msn8dkmjbs87p42npgcktjkx2q7shpx5.yaml
Unable to connect to the server: x509: certificate is valid for ingress.local, not ranch...
嵌入式DB的高可用目前还是实验性的，本文不过多介绍，请参考：
https://rancher.com/docs/k3s/latest/en/installation/ha-embedded/
使用外部数据库实现高可用需要搭建一个高可用的外置数据库，目前，K3s支持S
                kubernetes：pods is forbidden: User “system:serviceaccount:dev:default” cannot create resource “pods”
                    大鹏blog: 
                    这是帮你解决问题了吗 
                docker :删除/var/lib/docker/overlay2，容器启动失败
                    Leftcousin12: 
                    2023：证明有用
                go :gin 模板创建单个二进制文件
                    大鹏blog: 
                    go build -o assets-in-binary
然后 chmod+ X ,移动到 /usr/local/bin/