HDP on Linux – Installation Forum

Adding new nodes

  • #45526

    I am doing one node installation of hadoop hortonworks .While adding node I am facing following error (I am using centOs).

    Entry Id : 100
    Final result : TOTALFAILURE
    Progress at the end : : All 2 nodes failed!
    Additional information :


    Failed. Reason: Permission denied, please try again.
    Permission denied, please try again.
    Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).


    Failed. Reason: ssh: connect to host shazpeter2.poc.com port 22: Connection timed out

    can you guys please help me on this

to create new topics or reply. | New User Registration

  • Author
  • #45851

    Hi Shashi,

    Did you chmod the ssh keys correctly?
    You can avoid setting up the passwordless ssh by installing the ambari-agents manually – however you must ensure you can ssh (without a password) from machine to machine in the cluster to ensure it’s working correctly.



You must be to reply to this topic. | Create Account

Support from the Experts

A HDP Support Subscription connects you experts with deep experience running Apache Hadoop in production, at-scale on the most demanding workloads.

Enterprise Support »

Become HDP Certified

Real world training designed by the core architects of Hadoop. Scenario-based training courses are available in-classroom or online from anywhere in the world

Training »

Hortonworks Data Platform
The Hortonworks Data Platform is a 100% open source distribution of Apache Hadoop that is truly enterprise grade having been built, tested and hardened with enterprise rigor.
Get started with Sandbox
Hortonworks Sandbox is a self-contained virtual machine with Apache Hadoop pre-configured alongside a set of hands-on, step-by-step Hadoop tutorials.
Modern Data Architecture
Tackle the challenges of big data. Hadoop integrates with existing EDW, RDBMS and MPP systems to deliver lower cost, higher capacity infrastructure.