install docker
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让apt工作在https模式下
sudo apt-get update sudo apt-get install apt-transport-https ca-certificates
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添加gpg key
sudo apt-key adv \ --keyserver hkp://ha.pool.sks-keyservers.net:80 \ --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
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添加docker sourcelist(不同Ubuntu版本,对应的source不一样)
echo "deb https://apt.dockerproject.org/repo ubuntu-xenial main" | sudo tee /etc/apt/sources.list.d/docker.list
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update source
sudo apt-get update
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验证docker 的 apt源
apt-cache policy docker-engine
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安装docker
sudo apt-get install docker-engine
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将当前用户添加到docker group
sudo groupadd docker sudo usermod -aG docker $USER
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运行hello world
docker run hello-world