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A previous version of this tutorial was written by finid.
Docker is an application that simplifies the process of managing application processes in containers. Containers let you run your applications in resource-isolated processes. They’re similar to virtual machines, but containers are more portable, more resource-friendly, and more dependent on the host operating system.
For a detailed introduction to the different components of a Docker container, check out The Docker Ecosystem: An Introduction to Common Components.
In this tutorial, you’ll install and use Docker Community Edition (CE) on Ubuntu 18.04. You’ll install Docker itself, work with containers and images, and push an image to a Docker Repository.
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Managed the Write for DOnations program, wrote and edited community articles, and makes things on the Internet. Expertise in DevOps areas including Linux, Ubuntu, Debian, and more.
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Nice Docker tutorials
As ever… you guys do the best guides in internet land. Seriously, people should use DO guides as a benchmark on how to write guides. I have no idea how you manage to get them so simple, clean and informative time and time again. For this reason alone, I am committed to using your servers. Great work guys… again!
Registered just to say this is a superb article. Newbie to Docker and followed it to sucess.
Managing Docker Containers - Adding comment here in case anyone like me needs it. Once you re-start the docker image and you need to connect to it you use the following:
docker exec -t -i container-name /bin/bash
There is also an attach option but seems to be the above is favoured. Will let others more qualified to comment on this
Hi,
I’m stuck at add the GPG key for the official Docker repository to your system:. I get the error:
option -: is unknown
Please can you assist?
Thank you for the tutorial. I have a question though: Is it possible to install Docker on another partition on my system? I noticed it installs itself on File system on Ubuntu, where I don’t have a lot of space and Docker with its files takes more than 6GB so it’s really a problem
Great tutorial. Thanks a lot.
I’m on 18.04 Bionic and looks like I’m still getting this error:
Ign:10 https://download.docker.com/linux/ubuntu (lsb_release InRelease
Err:11 https://download.docker.com/linux/ubuntu (lsb_release Release
404 Not Found [IP: 54.192.230.81 443]
Reading package lists... Done
E: The repository 'https://download.docker.com/linux/ubuntu (lsb_release Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Hello Brain! I have no idea how to install and use docker on ubuntu. But after reading this blog I will definitely complete this task. Thanks for sharing.
Thank you for your tutorial. it is helpful to installation Docker.
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