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Question: I used Ubuntu's standard repository to install the Docker. However, the default installation of the Docker can not satisfy my need to rely on another version of the Docker program. How do I upgrade to the latest version of Docker on Ubuntu?
Docker released for the first time in 2013, it quickly evolved into a platform for distributed development platform. In order to meet industry expectations, Docker is closely developing and continues to bring new features to upgrade. This version of Docker in the Ubuntu distribution may soon become obsolete. For example, Ubuntu 14.10 Utopic in the Docker version is 1.2.0, but the latest version of the Docker is 1.6.0 (as of this release).
For those who want to follow the latest development of Docker's people, Canonical for the Docker to maintain a separate PPA. Using this PPA repository, you can easily upgrade to the latest version of Docker on Ubuntu.
Here's how to set up the Docker's PPA and upgrade the Docker.
$ Sudo add-apt-repository ppa: docker-maint / testing
$ Sudo apt-get update
$ Sudo apt-get install docker.io
Check the installed Docker version:
$ Docker --version
Docker version 1.5.0-dev, build a78ce5c |
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