centos6.6 in Dockerfile gives error

I am trying to use centos6.6 in Dockerfile,
I tried following both lines one by one in my Dockerfile:

FROM centos:centos6.6
FROM centos:6.6

But getting this error while running docker:

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  • root@onl-dev:/distros/trial# docker run -it trial
    docker: Error response from daemon: No command specified.
    See 'docker run --help'.
    

    Can someone suggest me if I am missing anything here?

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  • One Solution collect form web for “centos6.6 in Dockerfile gives error”

    The error seems pretty clear: you haven’t specified a command to run, either in your Dockerfile or on the command line. You could try:

    docker run -it trial bash
    

    …if you want a shell. Or you could add to your Dockerfile:

    CMD ["bash"]
    

    …and now your image would run this by default if no command is provided on the command line.

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.