OS: Ubuntu 14.04(LTS)
Add GPG Key
sudo apt-key adv — keyserver hkp://p80.pool.sks-keyservers.net:80 — recv-keys 58118E89F3A912897C070ADBF76221572C52609D
Create Docker Repo
echo “deb https://apt.dockerproject.org/repo ubuntu-trusty main” > /etc/apt/sources.list.d/docker.list
Update the apt package index
apt-get update
Purge the old repo if it exists
apt-get purge lxc-docker
Actuaully, you can skip this step, if your system is new installed, lxc-docker this package isn’t exist.
Verify that apt is pulling from the right repository
apt-cache policy docker-engine
Install Docker
apt-get install docker-engine && sudo shutdown -r now
Now you can play docker now…enjoy it~!!
