ubuntu16.04 docker安装
docker官网安装页面：https://docs.docker.com/engine/installation/linux/ubuntu/这个是ubuntu14.04 LTS需要的
$ sudo apt-get update
$ sudo apt-get install -y --no-install-recommends \
linux-image-extra-$(uname -r) \
linux-image-extra-virtual
下面开始安装
$ sudo apt-get install -y --no-install-recommends \
apt-transport-https \
ca-certificates \
curl \
software-properties-common
$ curl -fsSL https://apt.dockerproject.org/gpg | sudo apt-key add -
#Verify that the key ID is 58118E89F3A912897C070ADBF76221572C52609D.
$ apt-key fingerprint 58118E89F3A912897C070ADBF76221572C52609D
pub 4096R/2C52609D 2015-07-14
Key fingerprint = 5811 8E89 F3A9 1289 7C070ADB F762 2157 2C52 609D
uid Docker Release Tool (releasedocker) <docker@docker.com>
$ sudo add-apt-repository \
"deb https://apt.dockerproject.org/repo/ \
ubuntu-$(lsb_release -cs) \
main"
$ sudo apt-get update
$ sudo apt-get -y install docker-engine
# 或者
$ sudo apt-get -y install docker-engine=<VERSION_STRING>
下面是测试是否成功
$ sudo docker run hello-world
安装成功后pull镜像会非常慢，配置加速器
$ sudo vim /lib/systemd/system/docker.service
找到
ExecStart=/usr/bin/dockerd -H fd://
修改成
ExecStart=/usr/bin/dockerd -H fd:// --registry-mirror=https://ulh1xo4t.mirror.aliyuncs.com
使配置生效
sudo systemctl daemon-reload
sudo systemctl restart docker
卸载：
$ sudo apt-get purge docker-engine
$ sudo rm -rf /var/lib/docker
其他编写的配置文件需要手动删除
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