---
title: docker的安装
description: docker的安装
published: true
date: 2021-09-02T06:20:04.827Z
tags: docker
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
```
或者查看已经安装的docker
```bash
$ yum list installed |grep docker
```

##### 安装
[官方安装传送门](https://docs.docker.com/engine/install/centos/)
###### 下载依赖

[选择对应CentOS版本](https://download.docker.com/linux/centos/)

下载stable版本的两个文件，这里是CentOS7.5
- docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm
- docker-ce-17.03.2.ce-1.el7.centos.x86_64.rpm

###### 执行安装
```bash
$ yum install -y docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm

$ yum install -y docker-ce-17.03.2.ce-1.el7.centos.x86_64.rpm
```
#### 启动docker
设置开机启动
```bash
$ systemctl enable docker
```
启动
```bash
$ systemctl start docker
```

#### 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
```