The Hortonworks Community Connection is now live. A completely rebuilt Q&A forum, Knowledge Base, Code Hub and more, backed by the experts in the industry.

You will be redirected here in 10 seconds. If your are not redirected, click here to visit the new site.

The legacy Hortonworks Forum is now closed. You can view a read-only version of the former site by clicking here. The site will be taken offline on January 31,2016

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 port 22: Connection timed out

    can you guys please help me on this

  • 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.



The forum ‘HDP on Linux – Installation’ is closed to new topics and replies.

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.