Docker-1

系统：

[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)

[root@localhost ~]# uname -a
Linux localhost.localdomain 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

安装docker:

yum install docker -y

查看版本号：

[root@localhost ~]# docker -v
Docker version 1.12.6, build c4618fb/1.12.6

启动docker：

systemctl start docker.service

查看进程：

ps aux |grep docker

/usr/bin/dockerd-current 
--add-runtime docker-runc=/usr/libexec/docker/docker-runc-current 
--default-runtime=docker-runc 
--exec-opt native.cgroupdriver=systemd 
--userland-proxy-path=/usr/libexec/docker/docker-proxy-current 
--selinux-enabled --log-driver=journald 
--signature-verification=false

/usr/bin/docker-containerd-current 
-l unix:///var/run/docker/libcontainerd/docker-containerd.sock 
--shim docker-containerd-shim 
--metrics-interval=0 
--start-timeout 2m 
--state-dir /var/run/docker/libcontainerd/containerd 
--runtime docker-runc 
--runtime-args 
--systemd-cgroup=true