2024-02-20 17:06:15 +08:00
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---
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title: 安装配置
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description: Docker 的安装配置
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keywords:
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- Docker
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- 安装配置
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tags:
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- Docker/基础
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2024-04-26 21:42:22 +08:00
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- 技术/操作系统
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2024-02-20 17:06:15 +08:00
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author: 仲平
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date: 2024-02-20
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---
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## 官方手册
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- Get Docker:https://docs.docker.com/get-docker/
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## 安装脚本
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### 正式版本
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```shell
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curl -fsSL https://get.docker.com -o get-docker.sh
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sh get-docker.sh
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```
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### 测试版本
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```shell
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curl -fsSL https://test.docker.com -o test-docker.sh
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sh test-docker.sh
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```
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## 启动测试
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```shell
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# 默认启动
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sudo systemctl enable docker
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sudo systemctl start docker
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# 验证是否正确安装
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docker run --rm hello-world
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```
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## 镜像加速
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国内从 Docker Hub 拉取镜像有时会遇到困难,此时可以配置镜像加速器。国内各大云服务商(腾讯云、阿里云、百度云)均提供了 Docker 镜像加速服务,建议根据运行 Docker 的云平台选择对应的镜像加速服务。
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请首先执行以下命令,查看是否在 `docker.service` 文件中配置过镜像地址。
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```
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$ systemctl cat docker | grep '\-\-registry\-mirror'
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```
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如果该命令有输出,那么请执行 `$ systemctl cat docker` 查看 `ExecStart=` 出现的位置,修改对应的文件内容去掉 `--registry-mirror` 参数及其值,并按接下来的步骤进行配置。
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如果以上命令没有任何输出,那么就可以在 `/etc/docker/daemon.json` 中写入如下内容(如果文件不存在请新建该文件):
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```json
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{
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"registry-mirrors": [
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"https://hub-mirror.c.163.com",
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"https://mirror.baidubce.com"
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]
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}
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```
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> 注意,一定要保证该文件符合 json 规范,否则 Docker 将不能启动。
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最后重新启动服务。
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```shell
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sudo systemctl daemon-reload
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sudo systemctl restart docker
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```
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