https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95151#M8469 <P>Using that key and signed into the Ambari Server as 'root', can you SSH to the target hosts from a command line?</P><P>If you can't, double check the permissions of the "public" key on the target hosts.</P><P>~/.ssh should be 700</P><P>and the authorized_keys file should be 600.</P> Tue, 13 Oct 2015 21:53:16 GMT dstreev 2015-10-13T21:53:16Z https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95149#M8467 <P>Doing the install on Debian7, but we keep running into problems with SSH. Here is the description of issue:</P><P>We are able to SSH to all of the instances from the terminal. </P><P><STRONG>But the Host registration in Ambari fails</STRONG>. Please scroll all the way down for the error.</P><P>We tried modifying the directory permissions as per our recommended guide and it still did not work. </P><P>Looks like Ambari copies the RSA file to a folder under <STRONG>/var/run/ambari-server/bootstrap</STRONG> under a filename called <STRONG>SSHKEY</STRONG></P><P>That file contains the private key. In our case however, the file shows <STRONG>NULL</STRONG></P><P><STRONG>We are wondering if this may be a glitch on the Ambari side.</STRONG></P><P><STRONG> </STRONG></P><P><STRONG> </STRONG></P><P><STRONG>########################## ERROR ####################################</STRONG></P><P><STRONG>INFO:root:BootStrapping hosts ['hou706069.int.cggveritas.com', 'hou706070.int.cggxxx.com', 'hou711069.int.cggxxx.com', 'hou711070.int.cggxxx.com', 'hou706068.int.cggxxx.com'] using /usr/lib/python2.6/site-packages/ambari_server cluster primary OS: debian7 with user 'r oot' sshKey File /var/run/ambari-server/bootstrap/3/sshKey password File null using tmp dir /var/run/ambari-server/bootstrap/3 ambari: hou706068.int.cggxxx.com; server_port: 8080; ambari version: 2.1.2; user_run_as: root INFO:root:Executing parallel bootstrap ERROR:root:ERROR: Bootstrap of host hou706070.int.cggxxx.com fails because previous action finished with non-zero exit cod e (255) ERROR MESSAGE: Permission denied (publickey,password). </STRONG></P> Fri, 09 Oct 2015 06:26:41 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95149#M8467 vjain 2015-10-09T06:26:41Z https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95150#M8468 @<A href="http://community.hortonworks.com/users/420/vjain.html">Vedant Jain</A><P>Just to confirm, ssh from ambari server to all the host works fine "password less ssh". Correct?</P><P>Did you use correct private key in ambari console while installing?</P><P></P> Sat, 10 Oct 2015 23:44:52 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95150#M8468 nsabharwal 2015-10-10T23:44:52Z https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95151#M8469 <P>Using that key and signed into the Ambari Server as 'root', can you SSH to the target hosts from a command line?</P><P>If you can't, double check the permissions of the "public" key on the target hosts.</P><P>~/.ssh should be 700</P><P>and the authorized_keys file should be 600.</P> Tue, 13 Oct 2015 21:53:16 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/SSH-Issue-with-Ambari-2-1-Debian-7/m-p/95151#M8469 dstreev 2015-10-13T21:53:16Z