在线安装docker

rpm -ivh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 mount /dev/sr0 /mnt yum -y install docker-io

升级docker 1、下载docker最近稳定版

curl -sSL -O https://get.docker.com/builds/Linux/x86_64/docker-1.9.1

2、停止docker服务并备份文件

service docker stop

mv /usr/bin/docker /usr/bin/docker_bak

3、升级docker

mv docker-1.9.1 /usr/bin/docker

chmod +x /usr/bin/docker

service docker start