https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125742#M47361 <P>@<A href="https://community.hortonworks.com/users/10969/mqureshi.html">mqureshi</A></P><P>But nevertheless its good practice to have password less connection between the nodes.Incase you use pdsh or other cluster management tools it makes life easier !!! </P> Tue, 29 Nov 2016 01:57:27 GMT Shelton 2016-11-29T01:57:27Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125739#M47358 Tue, 29 Nov 2016 00:53:44 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125739#M47358 pmj 2016-11-29T00:53:44Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125740#M47359 <P>If you are doing manual install of ambari agents then you do not need passwordless ssh.</P><P><A href="https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.1.0/bk_ambari_reference_guide/content/ch_amb_ref_installing_ambari_agents_manually.html" target="_blank">https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.1.0/bk_ambari_reference_guide/content/ch_amb_ref_installing_ambari_agents_manually.html</A></P> Tue, 29 Nov 2016 01:32:24 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125740#M47359 mqureshi 2016-11-29T01:32:24Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125741#M47360 <P><A rel="user" href="https://community.cloudera.com/users/14451/pjalleda.html" nodeid="14451">@PJ</A></P><P>If you are doing manual registration then you don't need to setup passwordless ssh. Ambari needs passwordless ssh or root password only to bootstrap(install and configure) Ambari agents. You have already done that so no need to configure!</P><P>Hope this information helps <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P> Tue, 29 Nov 2016 01:38:04 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125741#M47360 KuldeepK 2016-11-29T01:38:04Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125742#M47361 <P>@<A href="https://community.hortonworks.com/users/10969/mqureshi.html">mqureshi</A></P><P>But nevertheless its good practice to have password less connection between the nodes.Incase you use pdsh or other cluster management tools it makes life easier !!! </P> Tue, 29 Nov 2016 01:57:27 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Can-I-not-need-to-setup-passwordless-ssh-if-I-install-ambari/m-p/125742#M47361 Shelton 2016-11-29T01:57:27Z