Linux Administration Cookbook

How to do it...

Docker keeps a page up to date on how to install Docker on your distribution of choice (see https://docs.docker.com/install). The following are the condensed instructions for Ubuntu.

Run an update to make sure you're ready to install Docker:

$ sudo apt update

Install the GPG key and then add the repository itself:

$ wget https://download.docker.com/linux/ubuntu/gpg$ sudo apt-key add gpg$ sudo apt-add-repository 'deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable'

As ever, check the GPG fingerprint against an official source.

Now, we can finally install Docker itself (this may take some time):

$ sudo apt install docker-ce -y

We can also check the status of our Docker daemon by using systemctl:

$ systemctl ...