# 安装方式一:
## 安装发行版:
```bash
[root@linux-node1 yum.repos.d]# pwd
/etc/yum.repos.d
[root@linux-node1 yum.repos.d]# wget https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo
vim docker-ce.repo 进行替换
:%s@https://download.docker.com/@https://mirrors.tuna.tsinghua.edu.cn/docker-ce/@
```
## 安装:
```bash
[root@linux-node1] yum install docker-ce -y
```
## docker程序环境:
```bash
环境配置文件:
/etc/sysconfig/docker-network
/etc/sysconfig/docker-storage
/etc/sysconfig/docker
Unit File:
/usr/lib/systemd/system/docker.service
Docker Registry配置文件:
/etc/containers/registries.conf
docker-ce:
配置文件:/etc/docker/daemon.json
```
## 创建镜像加速器
```bash
[root@linux-node1 yum.repos.d]# cat /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}
```
## 启动
```bash
[root@linux-node1 ~]# systemctl start docker.service
```
# 安装方式二
## 安装依赖包
```bash
yum install -y yum-utils device-mapper-persistent-data lvm2
```
## 添加Docker软件包源
```bash
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
```
## 更新yum包索引
```bash
yum makecache fast
```
## 安装Docker CE
```bash
yum install docker-ce -y
```
## 启动
```bash
systemctl start docker
```
## 卸载
```bash
yum remove docker-ce rm -rf /var/lib/docker
```
## 默认是国外的源,下载会慢,建议配置国内镜像仓库
```bash
vi /etc/docker/daemon.json
{
"registry-mirrors": ["https://ik8akj45.mirror.aliyuncs.com"]
} 我配的是阿里的,根据个人喜好
```

Docker安装