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文章主要内容:
最近许多群友都询问为什么无法访问Docker镜像仓库,于是我也尝试去访问,结果果然无法访问。
大家的第一反应就是给墙了,通过ping检测红的很可怕。
实际上是DNS被污染了,导致很多用户都无法访问。至于什么是DNS污染,大家可以自行查询,这里主要讲解怎么解决dockerhub无法访问的问题。
由于无法访问,导致我们运维人员和开发者使用docker镜像变得极其不方便,然而我们可以使用下面几种方法来解决这个问题。
(这里就不展开说了,大家懂的都懂)
常见的国内加速服务:
废话不多说,直接上命令
sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon.json <<-'EOF' { "registry-mirrors": ["镜像加速地址"] } EOF sudo systemctl daemon-reload sudo systemctl restart docker # 示例 sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon.json <<-'EOF' { "registry-mirrors": ["https://eph8xfli.mirror.aliyuncs.com"] # 这是博主自己的阿里云镜像加速地址,大家可以更换为自己的 } EOF sudo systemctl daemon-reload sudo systemctl restart docker
阿里云官网也有不同操作系统的操作文档,大家可以自行查阅
https://help.aliyun.com/document_detail/60750.html?spm=a2c4g.348824.0.0.742fa42dEeTNYo
包括K8S镜像加速
vim /etc/containerd/config.toml
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
endpoint = ["https://docker.mirrors.ustc.edu.cn","http://hub-mirror.c.163.com"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."gcr.io"]
endpoint = ["https://gcr.mirrors.ustc.edu.cn"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."k8s.gcr.io"]
endpoint = ["https://gcr.mirrors.ustc.edu.cn/google-containers/"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."quay.io"]
endpoint = ["https://quay.mirrors.ustc.edu.cn"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."ghcr.io"]
endpoint = ["https://ghcr.dockerproxy.com"]
本镜像仓库在阿里云,主要包含K8S相关镜像。如果大家有所需求,可以联系博主增加相关镜像。
镜像每天持续同步更新,目前有80+仓库,包含新版和常用镜像版本。
docker.elastic.co: - elasticsearch/elasticsearch - kibana/kibana - logstash/logstash - beats/filebeat - beats/heartbeat - beats/packetbeat - beats/auditbeat - beats/journalbeat - beats/metricbeat - apm/apm-server - app-search/app-search quay.io: - coreos/flannel - ceph/ceph - cephcsi/cephcsi - csiaddons/k8s-sidecar - csiaddons/volumereplication-operator - prometheus/prometheus - prometheus/alertmanager - prometheus/pushgateway - prometheus/blackbox-exporter - prometheus/node-exporter - prometheus-operator/prometheus-config-reloader - prometheus-operator/prometheus-operator - brancz/kube-rbac-proxy - cilium/cilium - cilium/operator-generic - thanos/thanos - cilium/certgen - cilium/hubble-relay - cilium/hubble-ui-backend - cilium/hubble-ui - cilium/cilium-etcd-operator - cilium/operator - cilium/startup-script - cilium/clustermesh-apiserver - coreos/etcd - metallb/speaker - frrouting/frr - goharbor/nginx-photon - goharbor/harbor-portal - goharbor/harbor-core - goharbor/harbor-jobservice - goharbor/registry-photon - goharbor/harbor-registryctl - goharbor/chartmuseum-photon - goharbor/trivy-adapter-photon - goharbor/notary-server-photon - goharbor/notary-signer-photon - goharbor/harbor-db - goharbor/redis-photon - goharbor/harbor-exporter k8s.gcr.io: - dns/k8s-dns-node-cache - metrics-server/metrics-server - kube-state-metrics/kube-state-metrics - prometheus-adapter/prometheus-adapter - sig-storage/nfs-subdir-external-provisioner - sig-storage/csi-node-driver-registrar - sig-storage/csi-provisioner - sig-storage/csi-resizer - sig-storage/csi-snapshotter - sig-storage/csi-attacher - sig-storage/nfsplugin registry.k8s.io: - pause - etcd - conformance - kube-proxy - kube-apiserver - kube-scheduler - kube-controller-manager - coredns/coredns - ingress-nginx/controller - ingress-nginx/opentelemetry - ingress-nginx/controller-chroot - ingress-nginx/kube-webhook-certgen - defaultbackend-amd64 - cpa/cluster-proportional-autoscaler - autoscaling/addon-resizer gcr.io: - kaniko-project/executor - google-samples/xtrabackup - kubebuilder/kube-rbac-proxy docker.io: - calico/node - calico/typha - calico/cni - calico/node - calico/kube-controllers - calico/pod2daemon-flexvol - kubesphere/openelb - aledbf/kube-keepalived-vip
docker.elastic.co/kibana/{image_name} ==> registry.cn-hangzhou.aliyuncs.com/waluna/{image_name}
quay.io/csiaddons/{image_name} ==> registry.cn-hangzhou.aliyuncs.com/waluna/{image_name}
k8s.gcr.io/{image_name} ==> registry.cn-hangzhou.aliyuncs.com/waluna/{image_name}
....
docker pull registry.cn-hangzhou.aliyuncs.com/waluna/kube-scheduler:[镜像版本号]
crictl pull registry.cn-hangzhou.aliyuncs.com/waluna/kube-scheduler:[镜像版本号]
个人感觉使用魔法最方便,但是很多同学都不会使用魔法。所以大家可以根据自己喜欢的方式去选择使用国内镜像加速(本文2.2)还是博主镜像仓库(本文2.3)。
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原文链接: docker镜像仓库hub.docker.com无法访问.
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