centos7.4安装失败

[Aragorn1026]

centos7.4, all in one安装脚本时报错，拉不到镜像

2021-07-13 14:27:52 DEBUG enable and start docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /etc/systemd/system/docker.service.
2021-07-13 14:27:57 INFO downloading images
I0713 14:27:59.066899   15693 version.go:252] remote version is much newer: v1.21.2; falling back to: stable-1.19
W0713 14:27:59.839835   15693 configset.go:348] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io]

 2021-07-13 14:27:59 DEBUG spin pid: 15728                                                                                                                                                                -Error response from daemon: Get https://registry.cn-hangzhou.aliyuncs.com/v2/google_containers/kube-apiserver/manifests/v1.19.12: Get https://dockerauth.cn-hangzhou.aliyuncs.com/auth?scope=repository%3Agoogle_containers%2Fkube-apiserver%3Apull&service=registry.aliyuncs.com%3Acn-hangzhou%3A26842: dial tcp: lookup dockerauth.cn-hangzhou.aliyuncs.com on 10.198.141.241:53: no answer from DNS server
2021-07-13 14:32:41 ERROR install kubernetes failed

[zhujf1989]

/cc @weilaaa

[weilaaa]

"Error response from daemon: Get https://registry.cn-hangzhou.aliyuncs.com/v2/google_containers/kube-apiserver/manifests/v1.19.12: Get https://dockerauth.cn-hangzhou.aliyuncs.com/auth?scope=repository%3Agoogle_containers%2Fkube-apiserver%3Apull&service=registry.aliyuncs.com%3Acn-hangzhou%3A26842: dial tcp: lookup dockerauth.cn-hangzhou.aliyuncs.com on 10.198.141.241:53: no answer from DNS server"

看上去像是特殊环境的本地 dns 问题，请尝试在 /etc/resolv.conf 中加入 nameserver 8.8.8.8，再次测试域名可达 ping dockerauth.cn-hangzhou.aliyuncs.com，如果域名可达，请再次执行部署脚本进行安装

[Aragorn1026]

添加nameserver后可以正常安装了，多谢~