This article will describe installing Docker. Please see here for usage of Docker.
Table of Contents
1 Install Docker
Install packages which are needed for adding docker-ce repository.
$ sudo apt install -y apt-transport-https ca-certificates curl \ software-properties-common
Add docker-ce repository.
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
sudo apt-key add -
$ export LSB_ETC_LSB_RELEASE=/etc/upstream-release/lsb-release
$ V=$(lsb_release -cs)
$ sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu ${V} stable"
$ sudo apt update -y
Install docker-ce.
$ sudo apt install -y docker-ce
Add user to docker group. Added user can run docker command without sudo command.
$ sudo gpasswd -a "${USER}" docker
$ sudo reboot
2 Execution result
Run hello-world.
$ docker run hello-world <snip> Hello from Docker! <snip>