Change Kdump Service State

As needed, Cockpit administrators can change the Kdump service at boot using the web console.

What Do You Need?

• The Cockpit web console must be installed and accessible.

  For details, see these topics: Install and Enable Cockpit and Log in to the Cockpit Web Console.

• The Kdump package (kexec-tools) is installed on the host.

  Note:

  An option for installing the Kdump package appears during the installation set up of Oracle Linux. If this package wasn't installed, see Installing Kdump in Oracle Linux 9: Monitoring and Tuning the System
• The cockpit-kdump package is installed on the host. Typically, this package is installed by default. For Cockpit add-on application installation details, see Install and Manage Add-on Applications.
• Administrator privileges.

Steps

Using the Cockpit web console, follow these steps to change the kernel dump service state on the host system.

1. In the Cockpit navigation pane, click Kernel dump. The Kernel crash dump page appears.
2. In the Kernel crash dump page, find the Status for the service state and click more details.

   The Service page for the kdump.service appears.

3. In the Service page for the kdump.service, perform any of the following:
   • Toggle Kdump service state at boot: Turn off the toggle switch to deactivate the service state at boot or turn on the toggle switch to activate the service state at boot.
   • Reload, restart, or stop Kdump service state: Click the actions [⋮] menu next to the toggle switch and select the appropriate service state option, for instance:

     Reload	Select Reload to reload the service configuration files but keep the process running.
     Restart	Select Restart to shut down the service and then start the service.
     Stop	Select Stop to shut down the service.