Install Docker on ubuntu
Update your apt sources
1. $ sudo apt-get update 2. $ sudo apt-get install apt-transport-https ca-certificates 3. $ sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D 4. Open the /etc/apt/sources.list.d/docker.list file in your favorite editor. 5. On Ubuntu Trusty 14.04 (LTS) deb https://apt.dockerproject.org/repo ubuntu-trusty main 6. $ sudo apt-get update
Install
7. $ sudo apt-get purge lxc-docker 8. $ sudo apt-get install docker-engine 9. $ sudo service docker start 10. $ sudo docker run hello-world
Configurations
Create a Docker group
Adjust memory and swap accounting
Enable UFW forwarding
Configure a DNS server for use by Docker
Configure Docker to start on boot
Upgrade Docker
$ sudo apt-get upgrade docker-engine
Uninstallation
$ sudo apt-get purge docker-engine $ sudo apt-get autoremove --purge docker-engine $ rm -rf /var/lib/docker