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1.环境准备

root@ubuntu:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.6 LTS
Release:        18.04
Codename:       bionic

2.相关环境离线包下载

地址：https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/

或者百度网盘

链接：https://pan.baidu.com/s/14v7ub06NTSe2VHkX64v4uA

提取码：dgr8

本人docker的安装分别为上面四个版本

3.将包上传至服务器任意位置并按顺序进行安装

root@ubuntu:~/docker# sudo dpkg -i libltdl7_2.4.6-2_amd64.deb 
root@ubuntu:~/docker# sudo dpkg -i docker-ce-cli_20.10.9_3-0_ubuntu-bionic_amd64.deb 
root@ubuntu:~/docker# sudo dpkg -i containerd.io_1.2.5-1_amd64.deb
root@ubuntu:~/docker# sudo dpkg -i docker-ce_18.09.6_3-0_ubuntu-bionic_amd64.deb

在这一步安装过程中如遇下面错误

docker-engine (version 17.05.0~ce-0~ubuntu-trusty) is present and unpacked but not configured.

到这边会报一些依赖包的错误，可能依赖包有损坏，运行如下命令对安装包进行修复

root@ubuntu:~# sudo apt-get --fix-broken install

4.查看docker版本

root@ubuntu:~# docker -v
Docker version 20.10.9, build c2ea9bc

5.启动并设置docker开机自启

root@ubuntu:~# sudo systemctl start docker
root@ubuntu:~# sudo systemctl enable docker
root@ubuntu:~# sudo systemctl status docker

6.配置镜像加速器

root@ubuntu:~# sudo vim /etc/docker/daemon.json
{
 "registry-mirrors": ["https://obou6wyb.mirror.aliyuncs.com"]
}

7.重启docker

root@ubuntu:~# sudo systemctl daemon-reload
root@ubuntu:~# sudo systemctl docker restart