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Docker is an application that makes it simple and easy to run application processes in a container, which are like virtual machines, only 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.
There are two methods for installing Docker on Ubuntu 16.04. One method involves installing it on an existing installation of the operating system. The other involves spinning up a server with a tool called Docker Machine that auto-installs Docker on it.
In this tutorial, you’ll learn how to install and use it on an existing installation of Ubuntu 16.04.
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I only can say that: I get at your feet. Excellent tutorial
Thank you very much for your article. It’s really excellent!. Please keep going
Its probably better to use the Ubuntu APT tools to update the APT configuration. Instead of echo, use apt-add-repository to manipulate the apt sources:
sudo apt-add-repository 'deb https://apt.dockerproject.org/repo ubuntu-xenial main'
I had some trouble with docker failing to run after some updates to a 16.04 droplet. The solution was to install a dependency not mentioned above but recommended in Docker’s instructions for 16.04:
sudo apt-get install linux-image-extra-$(uname -r)
After which I was able to get Docker running again.
Hi,
I have followed the tutorial, but I get this message
__docker_machine_ps1: command not found
Great tutorial, easy to follow, and no problems along the way. Thank you!
Well, it’s not working for me. After I try running a ubuntu container, I get the following Error:
docker: failed to register layer: devmapper: Error mounting ‘/dev/mapper/docker-8:2-526216-d9cc121a2c92ab980cbf1218ba4f467d6cc27248993b1a79165e7602113d88b0’ on ‘/var/lib/docker/devicemapper/mnt/d9cc121a2c92ab980cbf1218ba4f467d6cc27248993b1a79165e7602113d88b0’: invalid argument.
Have anybody a solution?
Well it doesn’t work for me. It get this error when I try to run a container:
docker: failed to register layer: devmapper: Error mounting ‘/dev/mapper/docker-8:2-526216-d9cc121a2c92ab980cbf1218ba4f467d6cc27248993b1a79165e7602113d88b0’ on ‘/var/lib/docker/devicemapper/mnt/d9cc121a2c92ab980cbf1218ba4f467d6cc27248993b1a79165e7602113d88b0’: invalid argument.
Does anybody has any solution?
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