Nomachine NX server Auth problems

libox · 02-28-2009, 01:15 PM

Hi, please help to solve:

I am using Fedora 10

installed !M NxServer 3.3.0-15 LFE, but i cant connect to it.

I can ssh to my linux box from the client machine (Windows).

when I do (as root) nxserver --useradd adminos

I get:

[root@libox keys]# nxserver --useradd adminos
NX> 801 User: adminos uses SSHD authentication.
NX> 900 Adding public key for user: adminos to the authorized keys file.
NX> 900 Verifying public key authentication for NX user: adminos.
NXSERVER - Version 3.3.0-15 - LFE
Sat Feb 28 21:11:51 2009 running as user: 'root' (uid: 0, pid: 5591) on 'libox'
Info: selected user 'adminos' is authenticated (NXNodeExec)
Info: password for selected user is in 'unknown' mode (NXNodeExec)
Info: preferred auth method is '' (NXNodeExec)
Info: selected NX Node with host name '127.0.0.1', port '22' (NXNodeExec)
Info: selected su to access NX Node (NXNodeExec)
Info: nxssh command line is 'su adminos -c /usr/NX/bin/nxnode' (NXNodeExec)
Info: nxssh child pid is: 5624 (NXNodeExec)
Info: received data in out channel from NX Node: 'NX> 1000 NXNODE - Version 3.3.0-12
' (NXNodeExec)
Info: received message 'CONNECTED' from NX Node (NXNodeExec)
Info: sent request for service 'setkey' to NX Node (NXNodeExec)
Info: no parameter to send to NX Node (NXNodeExec)
Info: received data in out channel from NX Node: 'NX> 716 Public key is already present in: /home/adminos/.ssh/authorized_keys2.
' (NXNodeExec)
Info: received data in out channel from NX Node: 'NX> 1001 Bye.
' (NXNodeExec)
Info: received message 'BYE' from NX Node (NXNodeExec)
Info: closing nxssh's in, out, err FDs (flagfinished is: 1) (NXNodeExec)
Info: connection to NX Node finished correctly (NXNodeExec)
Info: selected user 'adminos' is not authenticated no password available (NXNodeExec)
Info: preferred auth method is 'publickey' (NXNodeExec)
Info: selected NX Node with host name '127.0.0.1', port '22' (NXNodeExec)
Info: selected publickey method to login NX Node (NXNodeExec)
Info: nxssh command line is '/usr/NX/bin/nxssh -nxservermode -l adminos 127.0.0.1 -p 22 -x -2 -i /usr/NX/etc/keys/node.localhost.id_dsa -o 'PubkeyAuthentication yes' -o 'RSAAuthentication yes' -o 'RhostsAuthentication no' -o 'PasswordAuthentication no' -o 'RhostsRSAAuthentication no' -o 'StrictHostKeyChecking no' /usr/NX/bin/nxnode' (NXNodeExec)
Info: nxssh child pid is: 5651 (NXNodeExec)
Info: received data in err channel from NX Node: 'ssh: connect to host 127.0.0.1 port 22: Connection refused
' (NXNodeExec)
Info: NX Node out channel was closed (NXNodeExec)
Info: NX Node err channel was closed (NXNodeExec)
Info: closing nxssh's in, out, err FDs (flagfinished is: 0) (NXNodeExec)
Error: no 'CONNECTED' message from NX Node (NXNodeExec)
NX> 595 ERROR: A fatal error occurred in NX Server.
NX> 595 ERROR: The exception id is: F7D4C5A0. To get detailed information about
NX> 595 ERROR: the error search for the string F7D4C5A0 in the system log
NX> 595 ERROR: file (usually '/var/log/messages').
NX> 500 ERROR: Last operation failed.

system log entries:

[root@libox keys]# tail -1000 /var/log/messages | grep F7D4C5A0
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) Error: no 'CONNECTED' message from NX Node
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) ssh: connect to host 127.0.0.1 port 22: Connection refused#015
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) NXNodeExec::exec('ping', '', 127.0.0.1, 22, 'adminos', 'publickey') called at handlers/nxserver.pl line 7419
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) NXShell::handler_user_checklogin('adminos') called at NXShell.pm line 373
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) NXShell::handle_command('checklogin', 'adminos') called at handlers/nxserver.pl line 7196
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) NXShell::handler_user_add('username', 'adminos', 'system', 0, 'administrator', undef, 'uid', undef, ...) called at NXShell.pm line 373
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) NXShell::handle_command('adduser', 'username', 'adminos', 'system', 0, 'administrator', undef, 'uid', ...) called at nxserver.pl line 5263
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) main:

arse_args called at nxserver.pl line 4429
Feb 28 21:11:51 localhost NXSERVER-3.3.0-15[5591]: ERROR: (exception id F7D4C5A0) eval {...} called at nxserver.pl line 4426
[root@libox keys]#

libox · 02-28-2009, 01:20 PM

nxserver --userlist - returns empty list.
nxserver --usercheck adminos - will post on request, but also finishes with exception.

dshravankumar · 03-25-2009, 08:10 PM

Hello libox,

Were you able to resolve this issue ? I am also having the same problem. Could you please advice ?

Thanks,
SKD

libox · 04-09-2009, 08:29 PM

hi,

I did solve the issue and as far as I can remember now, it was a messed up ssh configuration.
Sorry, can't really recall what was the problem.

santizar · 11-01-2011, 05:24 PM

I know this is an old thread, however, I found this thread while trying to track down the answer. The issue I found was that the hostname was not added to the /etc/hosts file. Once I added the hostname, NX worked fine.

gosu · 10-08-2013, 12:47 PM

I got same problem but I found that my linux password has been expired, once I change my password, nomachine started working as usual. Hope this may help someone looking for answer.

Thanks,