Examples and practice with docker

Official site

Documentation

(following guide from https://techviewleo.com/how-to-install-and-use-docker-in-linux-mint/)

Update your system First ensure that your system packages are updated

sudo apt-get update

Install Docker dependencies and add Docker official key APT does not use HTTPS and it is crucial to install the packages and dependencies that will enable it to use a repository through https

sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common

Next add Docker official key which is important in enabling Docker repo.

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

Adding Docker repository Next thing is to add Docker repository to Linux Mint. The variable ‘$ (. /etc/os-release; echo “$ubuntu-codename”)’ ensures that you are using the right distribution of your Linux Mint

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable"

Update your system again

sudo apt-get update

Install Docker CE on Linux Mint 20 Run the below command to install the latest version of Docker CE

sudo apt-get -y install docker-ce

Once installed a docker group will be created. Add your user to the group who will be running docker commands.

sudo usermod -aG docker $USER
newgrp docker

Verify Docker Installation Show docker version

docker --version

The output should show docker version and build Some Docker commands

Docker is used with syntax as shown below:

docker [options] [command] [arguments]

To check options to be used with docker, run:

docker

or

docker help