5.2 Troubleshooting Linux Devices

Unable to launch a remote session on a SUSE Linux Enterprise Server 11 device through Mozilla Firefox

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: Remote Management plug-in for Firefox is installed in the /usr/lib/firefox directory, which is also the default Firefox installation directory. If you have installed Firefox in a different directory on the SLES 11 device, then launching a remote session through Firefox fails on the device.
Action: Copy the nsZenworksPluginSample.so file from the /usr/lib/firefox/plugins directory to the Firefox plug-ins directory.

The Upgrade Remote Management Viewer link is not displayed if you launch the ZENworks Control Center through Internet Explorer 8

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you upgrade to ZENworks Configuration Management SP3 from ZENworks Configuration Management SP2 and launch ZENworks Control Center through Internet Explorer 8, the Upgrade Remote Management Viewer link is not displayed in ZENworks Control Center.
Action: To view the Upgrade Remote Management Viewer link, perform the following steps:

  1. Launch the Internet Explorer 8 browser.

  2. Click Tools > Internet Options to display the Internet Options dialog box.

  3. Click the Security tab.

  4. Click the Custom level option.

  5. Ensure that the following settings are enabled:

    • Run ActiveX controls and plug-ins

    • Initialize and script ActiveX controls not marked as safe for scripting

  6. Restart the browser.

Installing the Remote Management Proxy on a SUSE Linux Enterprise Server 11 device displays an error message

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you choose to install the Remote Management proxy on a SLES 11 device, you might encounter the following error message:

insserv: Script jexec is broken: incomplete LSB comment.

insserv: missing `Required-Stop:' entry: please add even if empty.

This error occurs because of the version of the jexec script installed on the device. However, the Remote Management proxy is successfully installed on the device.

Action: Ignore the error message.

The Remote Management Viewer hangs when a Remote Control Session is launched on a Linux device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you launch a Remote Control session on a Linux device and then resize or move a terminal that is open on the device, the Remote Management Viewer on the management console device hangs.
Action: Click the Request Screen Refresh icon on the Remote Management Viewer to refresh the device.

Unable to launch a Remote SSH session on a SLES 10 device that has on older version of the JRE installed

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you launch a Remote SSH session on a SLES 10 device that has an older version of the JRE installed, the latest available version of the JRE is automatically downloaded and installed on the device. If the installation of the JRE fails, the Remote SSH session also fails on the device.
Action: Perform the following steps:

  1. Manually install JRE version 1.5 or later on the device.

  2. Launch the Remote SSH session on the device.

  3. In the Remote SSH Java Web Start Launcher, browse to and select the latest version of the Java Web Start executable file that is installed on the device.

Unable to launch a Remote Control session on a Linux device that has an X session running on a display port other than the default display port

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you launch a Remote Control session on a Linux device that has an X session running on a display port other than the default display port (:0), the Remote Control session fails with the following error:

RemoteManagement.X_AUTH_FAILURE{30246}

Action: Restart the device X session to run on the default display port (:0).