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Full Discussion: Redhat server is not connected via putty
Operating Systems Linux Red Hat Redhat server is not connected via putty Post 302724757 by thmnetwork on Thursday 1st of November 2012 09:16:28 AM
Old 11-01-2012
As always check /var/log/messages for errors, but for authentication-specific errors, you can check /var/log/secure for a log entry around the time of a login attempt.

You can check these files if you can get console onto the machine, if that's not possible, you may have to reboot it, then boot into single user mode and check them. Failing that, boot into rescue mode from the installation DVD. (Type "linux rescue" at the "boot: " prompt) once you can see the the log files you'll see what's going on.

Chances are it's an issue with the PAM stack (after validating your credentials, really the only thing it does is run the PAM session modules then spawn your shell). Since I can't imagine BASH doing that to you, that narrows it down.

Do you know if you did any work on the PAM stack recently? Also, are the credentials you're using dependent on some sort of daemon (like with winbind)? I know sometimes I would see similar behavior and restarting the winbind daemon resolved the issue (3.5 winbind is barely production ready, which is why people are so interested in version 4 coming out soon).
 

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LEARN ABOUT SUNOS

jms-ping

asadmin-jms-ping(1AS)						   User Commands					     asadmin-jms-ping(1AS)

NAME

       jms-ping  - checks to see if the JMS provider is up and running

SYNOPSIS

       jms-ping   --user  admin_user  [--password  admin_password]  [--host  localhost]  [--port  4848]  [--passwordfile  filename]  [--secure|-s]
       [--terse=false] [--echo=false] [--interactive=false]

       Checks to see if the JMS provider is up and running. This command is supported in remote mode only.

OPTIONS

       --user		       authorized domain application server administrative username.

       --password	       password to administer the domain application server.

       --host		       machine name where the domain application server is running.

       --port		       port number of the domain application server listening for administration requests.

       --passwordfile	       file containing the domain application server password.

       --secure 	       if true, uses SSL/TLS to communicate with the domain application server.

       --terse		       indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well-
			       formatted data for consumption by a script. Default is false.

       --echo		       setting to true will echo the command line statement on the standard output. Default is false.

       --interactive	       if set to true (default), only the required password options are prompted.

       Example 1: Using jms-ping

       asadmin> jms-ping --user admin --password adminadmin --host bluestar --port 4848 server1
       JMS Ping Status=RUNNING

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-create-jmsdest(1AS), asadmin-delete-jmsdest(1AS), asadmin-list-jmsdest(1AS)

J2EE 1.4 SDK							    March 2004						     asadmin-jms-ping(1AS)
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