Install Docker on Ubuntu 16.04 and newer.

How to install Docker on Ubuntu - 5 simple steps to make it work.

Posted by Lukasz D. Tulikowski on January 10, 2018

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1. Uninstall the current version of Docker

If you have Docker already installed with apt-get - uninstall it.

sudo apt remove docker docker-engine

2. Install prerequisites

You need additional packages to allow apt use HTTP repositories. You can have them installed already, but run following to make it clear.

sudo apt install \
    apt-transport-https \
    ca-certificates \
    curl \

3. Add Docker official GPG key

curl -fsSL | sudo apt-key add -

4. Add Docker repository

Add docker repository to your /etc/apt/source.list

sudo add-apt-repository "deb [arch=amd64] $(lsb_release -cs) stable"

Update your dependencies.

sudo apt update

5. Install Docker

sudo apt install docker-ce

ubuntu install docker

You can check your installation.

sudo docker run hello-world

Don’t forget to install docker-compose

Installing docker-compose is very straightforward.

sudo curl -L`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

Make it exacutable.

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

Check installation.

docker-compose --version

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