docker mirror
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install/docker-mirror.md
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install/docker-mirror.md
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vssueId: 115
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description: 修改 docker 镜像仓库地址,加快 docker 镜像的下载速度
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meta:
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- name: keywords
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content: docker镜像加速
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---
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# Docker镜像加速
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* docker 中,只能够为 docker 官方镜像仓库 hub.docker.com 提供 mirror 加速,自建的 docker 镜像仓库是不能配置 mirror 加速的;
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* 如果您参考 kuboard.cn 提供的 kubernetes 安装文档,默认使用的 docker mirror 是 https://registry.cn-hangzhou.aliyuncs.com 。
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## 修改镜像仓库 mirror 地址
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本文提供了快速修改的方式和手工修改的方式,效果相同
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<b-tabs content-class="mt-3">
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<b-tab title="快速修改" active>
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* 下面提供了四个 mirror 地址,您可以去掉其中任意一个地址的注释,以使用该 mirror 地址。
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``` sh
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# Docker中国 mirror
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# export REGISTRY_MIRROR="https://registry.docker-cn.com"
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# 腾讯云 docker hub mirror
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# export REGISTRY_MIRROR="https://mirror.ccs.tencentyun.com"
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# DaoCloud 镜像
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# export REGISTRY_MIRROR="http://f1361db2.m.daocloud.io"
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# 阿里云 docker hub mirror
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export REGISTRY_MIRROR=https://registry.cn-hangzhou.aliyuncs.com
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curl -sSL https://kuboard.cn/install-script/set_mirror.sh | sh -s ${REGISTRY_MIRROR}
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systemctl daemon-reload
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systemctl restart docker
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systemctl start kubelet # 假设您安装了 kubenetes
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```
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</b-tab>
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<b-tab title="手工修改">
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* 修改 /etc/docker/daemon.json 文件(如果没有,则创建):
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``` sh
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vim /etc/docker/daemon.json
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```
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* 添加 registry-mirrors 字段:
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``` json
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{
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"registry-mirrors": ["https://registry.cn-hangzhou.aliyuncs.com"]
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}
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```
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* 重启 docker/kubelet
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```sh
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systemctl daemon-reload
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systemctl restart docker
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systemctl start kubelet # 假设您安装了 kubenetes
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```
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</b-tab>
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</b-tabs>
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## 查看修改结果
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* 执行命令
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``` sh
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docker info
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```
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* 查看结果
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``` log {12}
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...
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Docker Root Dir: /var/lib/docker
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Debug Mode (client): false
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Debug Mode (server): false
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Registry: https://index.docker.io/v1/
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Labels:
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Experimental: false
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Insecure Registries:
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127.0.0.0/8
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Registry Mirrors:
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https://registry.cn-hangzhou.aliyuncs.com
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Live Restore Enabled: false
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Product License: Community Engine
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```
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