一、安装docker

### 一、安装 docker

1.下载 Docker 二进制文件（离线安装包）

```javascript
wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.14.tgz
```

2.通过 `mobaXterm` 等工具上传到[服务器](https://cloud.tencent.com/act/pro/promotion-cvm?from_column=20065&from=20065)

3.解压安装包

```javascript
tar -zxvf docker-20.10.14.tgz
```

4.将 docker 相关命令拷贝到 /usr/bin

```javascript
cp docker/* /usr/bin/
```

5.docker 注册成系统服务

```javascript
vim /etc/systemd/system/docker.service
```

```javascript
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
 
[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
 
[Install]
WantedBy=multi-user.target
```

6.添加执行权限

```javascript
chmod +x /etc/systemd/system/docker.service
```

7.重新加载配置文件（每次有修改 docker.service 文件时都要重新加载下）

```javascript
systemctl daemon-reload
```

8.启动服务

```javascript
systemctl start docker
```

9.设置开机自启

```javascript
systemctl enable docker.service
```

10.查看状态

```javascript
systemctl status docker
```

11.查看 Docker 版本

```javascript
docker -v
```

### 二、安装 docker-compose

1.去 [https://github.com/docker/compose/releases](https://github.com/docker/compose/releases) 下载 docker-compose 文件

2.移动到 /usr/local/bin/docker-compose；

3.添加执行权限；

4.查看版本；

```javascript
sudo mv docker-compose-Linux-x86_64 /usr/local/bin/docker-compose

sudo chmod +x /usr/local/bin/docker-compose

docker-compose -v
```

### 三、卸载

```
# 删除 docker
sudo rm -rf /usr/bin/docker*
# 删除 containerd
sudo rm -rf /usr/bin/containerd*

# 删除 docker 运行时 ID
sudo rm -rf /var/run/docker*

# 卸载 docker-compose
sudo rm -rf /usr/local/bin/docker-compose

sudo rm -rf /var/lib/docker*
sudo rm -rf /var/lib/containerd*
```