docs: create docker-install

docker-install.md

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+---
+title: Docker的安装
+description: Docker的安装
+published: true
+date: 2021-08-02T07:22:52.894Z
+tags: 
+editor: markdown
+dateCreated: 2021-08-02T07:22:52.894Z
+---
+
+# 安装Docker
+
+## CentOS
+
+#### 自动安装
+
+```bash
+$ curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
+```
+
+#### 手动安装
+
+##### 卸载旧版本
+
+```bash
+$ sudo yum remove docker \
+                  docker-client \
+                  docker-client-latest \
+                  docker-common \
+                  docker-latest \
+                  docker-latest-logrotate \
+                  docker-logrotate \
+                  docker-engine
+```
+
+##### 安装
+
+###### 所需软件包
+
+```bash
+$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2
+```
+
+###### 设置仓库
+
+阿里云
+
+```bash
+$ sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
+```
+
+###### 安装 Docker Engine-Community
+
+```bash
+$ yum install docker-ce docker-ce-cli containerd.io
+```
+
+#### 删除
+
+##### 删除安装包
+
+```bash
+$ yum remove docker-ce
+```
+
+##### 删除镜像、容器、配置文件等
+
+```bash
+$ rm -rf /var/lib/docker
+```