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How to install Docker on Ubuntu 18.04
Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. You can references to documents at this https://www.docker.com/ .
Step 1: Need to update software repositories. Run the following command:
sudo apt-get update
Step 2: Install Docker on Ubuntu 18.04
To install latest version you can run command
sudo apt install docker-ce docker-ce-cli containerd.io
To install specific version docker
apt list -a docker-ce
Then install specific version
sudo apt install docker-ce= docker-ce-cli= containerd.io
You can verify Docker service after install. It is start automation when install completed
sudo systemctl status docker
Step 3: Execute docker on-non root user
sudo usermod -aG docker $USER
Finally, you can make verify docker is install success
docker run hello-world
Uninstall docker
To stop all running containers and Docker instance
docker container stop $(docker container ls -aq)
docker system prune -a --volumes
Now uninstall Docker as any other package installed with apt
sudo apt purge docker-ce
sudo apt autoremove
In this post I will introduction way to install docker on Ubuntu 18.04. To learn more about Docker you, check out official Docker Offical Document
If you have any question please comment or contact me.
Author: @NHB Khanh
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