docker安装
[root@localhost ~]# yum -y install docker-io
启动并设置开机自动启动
[root@localhost ~]# service docker start
Starting cgconfig service: [确定]
Starting docker: [确定]
[root@localhost ~]# chkconfig docker on
获取cnetos镜像
[root@localhost ~]# docker pull centos:latest
centos:latest: The image you are pulling has been verified
511136ea3c5a: Pull complete
5b12ef8fd570: Pull complete
34943839435d: Downloading [===> ] 18.38 MB/232.5 MB 1h7m49s
#官方安装方式docker pull imagename从docker的索引中心下载,imagename是镜像名称,例如docker pull Ubuntu就是下载base ubuntu并且tag是latest。
我们还可以搜索基于 Fedora 和 Ubuntu 操作系统的容器。
[root@localhost ~]# docker search ubuntu
[root@localhost ~]# docker search fedora