yum安裝：

[[email protected] sql]$ cat /etc/redhat-release 
CentOS Linux release 7.2.1511 (Core)

[[email protected] sql]$ sudo yum -y install docker-io

[[email protected] sql]$ docker
docker                docker-current        docker-storage-setup  
[[email protected] sql]$ docker version
Client:
 Version:         1.10.3
 API version:     1.22
 Package version: docker-common-1.10.3-59.el7.centos.x86_64
 Go version:      go1.6.3
 Git commit:      3999ccb-unsupported
 Built:           Thu Dec 15 17:24:43 2016
 OS/Arch:         linux/amd64
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
 

[[email protected] sql]$ sudo service docker start
[sudo] password for jingsia: 
Redirecting to /bin/systemctl start  docker.service

[[email protected] sql]$ sudo docker info

[[email protected] ~]# sudo docker search fedora
INDEX       NAME                                    DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
docker.io   docker.io/fedora                        Official Docker builds of Fedora                473       [OK]       
docker.io   docker.io/dockingbay/fedora-rust        Trusted build of Rust programming language...   3                    [OK]
 

拉取pull

[[email protected] ~]# docker pull fedora

[[email protected] ~]# docker run -i -t fedora /bin/bash
[[email protected] /]# 

[[email protected] ~]# job=$(docker run -d fedora /bin/bash -c "while true; do echo hello world; sleep 1; done")
[[email protected] ~]# echo $job
6a1dde0d84ac875749d9d2a15ca7396f93a400ebf3596b581091eb207c699a5a
 

[[email protected] ~]# docker logs $job
hello world
hello world

[[email protected] ~]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS               NAMES
6a1dde0d84ac        fedora              "/bin/bash -c 'while "   2 minutes ago       Up 2 minutes                            small_kalam

[[email protected] ~]# docker kill $job
6a1dde0d84ac875749d9d2a15ca7396f93a400ebf3596b581091eb207c699a5a

[[email protected] ~]# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES