How to install and setup Docker on CentOS ?

Prerequisites

• CentOS version must be > 32 bit install
• Ubuntu kernel version must be >= 2.5
• Check with command : $ uname -r

• Update the kernel : sudo yum update

Install

• Download docker in current dir using curl
  $ curl -O -sSL https://get.docker.com/rpm/1.7.0/centos-6/RPMS/x86_64/docker-1.7.0-1.el6.x86_64.rpm
• Run command to install docker :
  $ sudo yum localinstall --nogpgcheck docker-engine-1.7.0-1.el6.x86_64.rpm

Verify Docker deamon

• Run command to check current centos image : # docker pull centos
  It will verify if the image is latest one.
  
• Run command : # docker run -t -i centos /bin/bash
  
  It provides root container ID, which is the Docker deamon.
  You can launch any command on the deamon :
  [root@76786880877 /]# ls