DataStax Support Forums » Topic: Cannot install to Agents

DataStax Support Forums » Topic: Cannot install to Agents http://www.datastax.com/support-forums/topic/cannot-install-to-agents-1 Software, Support, and Training for Apache Cassandra en-US Tue, 21 May 2013 07:41:47 +0000 http://bbpress.org/?v=1.0.3 <![CDATA[Search]]> q http://www.datastax.com/support-forums/search.php thobbs on "Cannot install to Agents" http://www.datastax.com/support-forums/topic/cannot-install-to-agents-1#post-6830 Tue, 09 Oct 2012 15:34:01 +0000 thobbs 6830@http://www.datastax.com/support-forums/ When you paste your private key into the UI, make sure you are pasting the entire thing, including the lines at the beginning and end like <code>-----BEGIN RSA PRIVATE KEY-----</code> and <code>-----END RSA PRIVATE KEY-----</code>. camp5gong on "Cannot install to Agents" http://www.datastax.com/support-forums/topic/cannot-install-to-agents-1#post-6821 Tue, 09 Oct 2012 00:15:30 +0000 camp5gong 6821@http://www.datastax.com/support-forums/ Hello, When I tried to install the OpsCenter Agent,it shows as belows. but the connect as ssh from the center server to the agent server(10.###.###.47) was fine. (command from the centerserver : ssh -l root -p 2022 10.###.###.47 ) 2012-10-09 00:02:09+0000 [CASS_OPS] INFO: Beginning install of OpsCenter agent to 10.152.245.47 2012-10-09 00:02:09+0000 [] DEBUG: performing ssh: ['/usr/bin/ssh', '-l', u'root', '-p', '2022', u'10.###.###.47', 'echo', '-n', '.$(which apt-get 2> /dev/null) .$(which yum 2> /dev/null)'] 2012-10-09 00:02:09+0000 [CASS_OPS] Failure installing agent on 10.###.###.47 Error output: Permission denied (publickey). Standard output: Exit code: 255 Traceback (most recent call last): Failure: opscenterd.SecureShell.SshFailed: 2012-10-09 00:02:09+0000 [] WARN: InstallFailed while calling InstallAgentController: Unable to install agent on 10.###.###.47! Possibly your password was wrong, or your SSH key was improperly configured on the remote host, or your user was not root and not able to use "sudo". Some diagnostic info follows, in case it helps: Error output from ssh: Permission denied (publickey). ssh exit code: 255 2012-10-09 00:02:11+0000 [CASS_OPS] DEBUG: Getting nodelist over thrift camp5gong on "Cannot install to Agents" http://www.datastax.com/support-forums/topic/cannot-install-to-agents-1#post-6819 Mon, 08 Oct 2012 21:41:09 +0000 camp5gong 6819@http://www.datastax.com/support-forums/ Hello, Thanks for your help. I've already restarted the OpsCenter Process using "service opscenterd stop/start". The web page show me the error about ssh / password error. nickmbailey on "Cannot install to Agents" http://www.datastax.com/support-forums/topic/cannot-install-to-agents-1#post-6813 Mon, 08 Oct 2012 16:25:25 +0000 nickmbailey 6813@http://www.datastax.com/support-forums/ Can you verify that you restarted the OpsCenter process after changing the ssh port option? A restart would be required for that change to take affect. -Nick camp5gong on "Cannot install to Agents" http://www.datastax.com/support-forums/topic/cannot-install-to-agents-1#post-6811 Mon, 08 Oct 2012 10:24:52 +0000 camp5gong 6811@http://www.datastax.com/support-forums/ Hello, Whenever I tried to install node agents from OpsCenter, I got erros as belows. I made a rsa_key.pub from OpsCenter and then, added to Agent server. root@ip-centerserver:~/.ssh# ssh -p 2022 agentserverip : Connection succeeded root@ip-centerserver:~/.ssh# ssh -p 2222 agentserverip ssh: connect to host 10.152.245.47 port 2222: Connection refused (※ opscenterd.conf --> [agents] ssh_port = 2222) root@ip-centerserver:~/.ssh# ssh -p 2022 agentserverip : Connection succeeded (※ opscenterd.conf --> [agents] ssh_port = 2022) I don't know what is wrong, please tell me. :) Thanks, Camp. 2012-10-08 09:58:31+0000 [CASS_OPS] INFO: Beginning install of OpsCenter agent to 10.152.245.47 2012-10-08 09:58:31+0000 [] Problem while calling InstallAgentController Traceback (most recent call last): File "/usr/share/opscenter/lib/py-debian/2.6/amd64/twisted/internet/defer.py", line 1141, in unwindGenerator return _inlineCallbacks(None, f(*args, **kwargs), Deferred()) File "/usr/share/opscenter/lib/py-debian/2.6/amd64/twisted/internet/defer.py", line 1020, in _inlineCallbacks result = g.send(result) File "/usr/lib/python2.6/dist-packages/opscenterd/WebServer.py", line 1117, in InstallAgentController File "/usr/share/opscenter/lib/py-debian/2.6/amd64/twisted/internet/defer.py", line 1141, in unwindGenerator return _inlineCallbacks(None, f(*args, **kwargs), Deferred()) --- <exception caught here> --- File "/usr/share/opscenter/lib/py-debian/2.6/amd64/twisted/internet/defer.py", line 1020, in _inlineCallbacks result = g.send(result) File "/usr/lib/python2.6/dist-packages/opscenterd/Agents.py", line 553, in installAgent File "/usr/lib/python2.6/dist-packages/opscenterd/Utils.py", line 598, in guess_my_ip_wrt_remote File "<string>", line 1, in connect socket.error: [Errno 111] Connection refused