9.0 Remote Management Error Messages

This section contains detailed explanations of the error messages you might encounter using the Novell ZENworks Linux Management Remote Management component:

Network error:could not connect to server:port number of the Remote Management service

Source: ZENworks Linux Management; Remote Management
Severity: Informational
Possible Cause: The network firewall of the managed device blocks the required port.
Action: Configure the firewall on the managed device to allow incoming connections for the required port.

For example, to configure the firewall on Novell Linux Desktop:

  1. In the System menu, click Administrator Settings to launch YaST.

  2. In the YaST Control Center, click Security and Users.

  3. In the right pane, click Firewall.

  4. In Firewall Configuration: Basic Settings, select the Internal Interface according to your preference.

  5. In Firewall Configuration: Services, click Expert.

  6. In the Edit Additional Services dialog box, specify the Remote Management port numbers in Additional TCP Services, then click OK.

  7. Click Next.

  8. In Firewall Configuration: Features, click Next.

  9. In Firewall Configuration: Logging Options, click Next.

  10. In the Save Settings and Activate Firewall dialog box, click Continue.

Possible Cause: The Remote Control service (or Remote Login service) might not be running on the specified port.
Action: Start the Remote Control service (or Remote Login service) on the managed device using the following command: 
/etc/init.d/xinetd start

NOTE:This may start other services enabled under xinetd. Refer xinetd man pages for more details.

Possible Cause: The port number you have specified in the Remote Management dialog box is not correct.
Action: Specify the correct port number in the Remote Management dialog box.

Unable to initiate a remote session because the Remote Management settings cannot be read on the Managed device. Contact your ZENworks administrator.

Source: ZENworks Linux Management; Remote Management
Severity: Important
Possible Cause: Remote Management settings are not available on the managed device.
Action: Do the following:

  1. In ZENworks Control Center, click Devices.

  2. Click Servers or Workstations.

  3. Select the device you want to refresh.

  4. In Action menu, click Refresh Device.

Unable to initiate a remote session because the authentication to the X server, which is running on the managed device, could not succeed. Contact your ZENworks administrator.

Source: ZENworks Linux Management; Remote Management
Severity: Informational
Possible Cause: You might have changed the X Server configuration.
Action: Restart the Display Manager.

For example, you can restart the Display Manager as follows:

  1. Switch to any one of the text consoles by pressing Ctrl + Alt + F1 in your graphical session.

  2. Change the runlevel of the managed device to 3 by entering the following command at the shell prompt:

    init 3

  3. Change the runlevel back to 5 by entering the following command at the shell prompt:

    init 5

host post is not an RFB Server

Source: ZENworks Linux Management; Remote Management
Severity: Important
Possible Cause: The Remote Control Service has failed to authenticate to the X server.
Action: Restart the Display Manager.

  1. Switch to any one of the text consoles by pressing Ctrl + Alt + F1 in your graphical session.

  2. Change the runlevel of the managed device to 3 by entering the following command at the shell prompt:

    init 3

  3. Change the runlevel back to 5 by entering the following command at the shell prompt:

    init 5

Unable to initiate a remote session because the Remote Management settings cannot be read on the Managed Device

Source: ZENworks Linux Management; Remote Management
Possible Cause: On Linux, the http and https IP addresses are different in the system-wide proxy setting.
Action: Use the same proxy for both http and https.