ubuntu 下安装Docker

hadoop@node2:~$ uname -r

4.4.0-45-generic

hadoop@node2:~$ sudo apt-get update

hadoop@node2:~$ sudo apt-get install apt-transport-https ca-certificates

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)

E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

hadoop@node2:~$ sudo rm /var/lib/dpkg/lock

hadoop@node2:~$ sudo apt-get install apt-transport-https ca-certificates

Do you want to continue? [Y/n] y

hadoop@node2:~$ sudo apt-key adv --keyserver hkp://ha.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

hadoop@node2:~$ echo "deb https://apt.dockerproject.org/repo ubuntu-xenial main" | sudo tee /etc/apt/sources.list.d/docker.list

hadoop@node2:~$ sudo apt-get update

hadoop@node2:~$ sudo apt-get install docker-engine

hadoop@node2:~$ sudo service docker start

hadoop@node2:~$ docker images

Cannot connect to the Docker daemon. Is the docker daemon running on this host?

hadoop@node2:~$ sudo docker images

REPOSITORY          TAG                IMAGE ID            CREATED            SIZE

hadoop@node2:~$