Uninstall or Rollback of the Network Capture Application

Complete the following instructions to uninstall the DNCA software.

Uninstall the Network Capture Application

To uninstall:

Stop the Discover DNCA. At the command line, enter: 
./discover stop
From the UNIX™ command prompt, check for any running processes. While logged in to root, enter the following command: 
./discover ps
If any process is running, enter the following command: 

killall <processname>

where <processname> is the name of the running process.

Back up the existing dncauser/etc folder. This folder contains your custom configuration files such as dcx-conf.xml, stored PTL keys, and more.To uninstall the software, run the following command:
Note: The following command removes the DNCA software from the Linux™ server.
yum remove discover-dnca-3682-01.RHEL8.x86_64
The DNCA software is uninstalled. To complete a clean uninstall, delete the /usr/local/dncauser folder.

Rollback the Network Capture Application

To roll back to a previous version:

  1. Complete the uninstall steps.
    Note: Verify that the /usr/local/dncauser folder does not exist before the installation.
  2. Install the rpm package for the older version. See Installing the DNCA software.
  3. Restore your backup version of saved configuration files to the dncauser/etc folder.