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HDP on Linux – Installation Forum

What user does hdfs run as?

  • #11469
    Steve Cohen
    Participant

    Hello,

    I am setting up hortonworks running yum install hmc and it says to set up a cluster, presumably the hdfs cluster. What user will it run as? Also, the instructions say to set up passwordless ssh. You don’t mean that you want to set up passwordless ssh for root do you?

    Thanks,
    Steve Cohen

  • Author
    Replies
  • #11470
    Sasha J
    Moderator

    HMC running as root.
    hdfs processes running as user “hdfs”
    passwordless access only relevant to the installation time and should be set up for user root.

    #11482
    Steve Cohen
    Participant

    Can I remove the keys after I set up the cluster?

    #11483
    Sasha J
    Moderator

    Steve,
    yes, of course you can remove it after installation.
    However, if you will need to add nodes later, you will have to reestablish keys again.
    What if you just rename authorized_keys file to something else?
    This way you preserve all the settings and revoke passwordless assess from the cluster.
    And it could be reestablished in a matter of seconds…
    Just an idea….

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