Install the latest Docker under Ubuntu 18.04

docker installation

Prerequisites for installation

Docker requires the kernel version of the Ubuntu system to be higher than 3.10 and 64-bit.

// 查看ubuntu内核版本
root@zc:~# uname -a
//查看ubuntu版本
root@zc:~# lsb_release -a

Uninstall the old version of docker

root@zc:~# sudo apt-get remove docker docker-engine docker.io

Update system software

root@zc:~# sudo apt-get update

Install dependencies

root@zc:~# sudo apt-get install \
        apt-transport-https \
        ca-certificates \
        curl \
        software-properties-common

Add the official secret key When
executing this command, if there is no response for a long time, it means that the network cannot connect to the docker website, and you need to use a proxy to do it.

root@zc:~# sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

Add warehouse

root@zc:~# sudo add-apt-repository \
       "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
       $(lsb_release -cs) \
       stable"

Update the system software again

root@zc:~# sudo apt-get update

Install docker

//如果想指定安装某一版本，可使用 sudo apt-get install docker-ce={VERSION} 命令，把{VERSION}替换为具体版本即可。
//以下命令没有指定版本，默认就会安装最新版
root@zc:~# sudo apt-get install docker docker.io

View docker version

root@zc:~# docker -v

docker-compose installation

docker-compse: can run and manage multiple docker containers.

Download docker-compose

//参见：https://github.com/docker/compose/releases
root@zc:~# sudo curl -L https://github.com/docker/compose/releases/download/1.21.2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

Authorization

root@zc:~# sudo chmod +x /usr/local/bin/docker-compose

View version information

root@zc:~# docker-compose --version

docker-machine installation

docker-machine: The docker management tool officially provided by docker. It can manage multiple docker hosts and build swarm clusters.

Install virtualBox

The use of docker-machine is based on virtualBox. If it has not been installed, please install virtualBox first.
Log in to the official website of virtualBox: https://www.virtualbox.org/wiki/Linux_Downloads
Author's version: Ubuntu 18.04 / 18.10 / 19.04 / Debian 10
After downloading, execute the following command to install:

//下载依赖
root@zc:~# sudo apt --fix-broken install libcurl4 libqt5opengl5 libqt5printsupport5 libqt5x11extras5
//安装
root@zc:~# sudo dpkg -i virtualbox-6.0_6.0.6-130049~Ubuntu~bionic_amd64.deb

Download and install docker-machine

root@zc:~# curl -L https://github.com/docker/machine/releases/download/v0.13.0/docker-machine-`uname -s`-`uname -m` >/tmp/docker-machine &&
root@zc:~# chmod +x /tmp/docker-machine &&
root@zc:~# sudo cp /tmp/docker-machine /usr/local/bin/docker-machine

View version information

root@zc:~# docker-machine version

Reference address: https://blog.csdn.net/weixin_41464478/article/details/84634258