I would like to build and run Docker containers on Ubuntu 16.04 LTS. How do I install Docker?
7 Answers
Docker comes in two flavours: The Comunity Edition (CE) and the Enterprise Edition (EE). See this question for the differences. Just take Docker CE if you don't know which to take.
There are two ways of installing it (thank you, Katu and Suor!). The official docker way is a bit more recent.
(A) Official Ubuntu Repositories
$ sudo apt-get install docker.io
In the past this way was discouraged as the docker package was super outdated. The universe sources are fairly recent now.
(B) Official Docker Way
The Ubuntu installation instructions list all you need in detail, but in most cases it boils down to:
(1) Set up the docker repository
sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
(2) Install Docker CE
sudo apt-get update
sudo apt-get install docker-ce
(3) Verify the installation
sudo docker run hello-world
The latest version can be found here. It was 18.06 in November 2018. This version is available in the sources from above, whereas the default Ubuntu package sources only contain Docker 1.5 (source). You can find changes in the docker release notes. Version 1.5 is so old that I could not find out how old it is.
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To install the Ubuntu repository version
sudo apt install docker.io
Check the version with
docker --version
You may still want to do the post-install steps. Thanks @wisbucky
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Easiest way to install docker on Ubuntu using following command that you can get from the https://get.docker.com/
This script is meant for quick & easy install via:
$ curl -fsSL https://get.docker.com | sh
or
wget -qO- https://get.docker.com/ | sh
For test builds (ie. release candidates):
$ curl -fsSL https://test.docker.com | sh
or
wget -qO- https://test.docker.com/ | sh
For rc build with experimental feature:
$ curl -fsSL https://experimental.docker.com | sh
or
wget -qO- https://experimental.docker.com/ | sh
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BTW, for Linux Mint (which is based on ubuntu), need to change the release name by hand, after adding the repository.
Sub steps:
sudo vi /etc/apt/sources.list.d/additional-repositories.list- According to underling ubuntu versions:
- Ubuntu 16.04
Changesarahor other name, toxenial. - Ubuntu 18.04
Changetaraor other name, tobionic.
- Ubuntu 16.04
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To install the community edition, add the GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
Add the docker repository
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt-get update
To make sure, you're going to install docker from Docker repo,
apt-cache policy docker-ce
Now install docker,
sudo apt-get install -y docker-ce
It would be running by default, but you can check the status
sudo systemctl status docker
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You can follow below steps to install docker-ce in Ubuntu -
install the dependencies first
sudo apt install apt-transport-https ca-certificates curl software-properties-commonadd the GPG key for the official Docker repository to the system:
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -Add the Docker repository in sources.list.d to APT sources using below command -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable edge"verify if you are able to install Docker from Docker repository
apt-cache policy docker-ceFinally, install Docker CE package with below command
sudo apt-get install -y docker-ce
Voila, you have installed Docker-CE. You can verify installation by checking the version of docker-ce installed
docker --version
For more detailed instructions, follow this tutorial
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Debian installation.
- check your ubuntu code name
lsb_release -a | grep Code
Codename: xenial
- check your cpu architecture
lscpu | grep Arch
Architecture:x86_64
Finaly download your debian src. Go to https://download.docker.com/linux/ubuntu/dists/, choose your Ubuntu version, browse to pool/stable/ and choose amd64, armhf, ppc64el, or s390x. Download the .deb file for the Docker version you want to install.
sudo dpkg -i /path/to/package.deb
docker -v
Docker version 18.06.0-ce
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