This note preserves the installation commands from November 2015 for Ubuntu 14.04 LTS, Docker 1.9 and Compose 1.5.1. Do not use these commands for a current installation; follow the official Docker documentation.
Docker 1.9 from the APT repository
apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" >> /etc/apt/sources.list.d/docker.list
apt-get update
apt-get purge lxc-docker*
apt-get install docker-engineThe version output recorded in the original note was:
docker -v
Docker version 1.9.0, build 76d6bc9Docker Compose 1.5.1
curl -L https://github.com/docker/compose/releases/download/1.5.1/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose





