Error: “The server encountered an unexpected condition which prevented it from fulfilling the request” "Giving 500 Internal Server Error."The addon is not configurable on the main search head of the Splunk Cloud.

You need to make the Add-on for Unix and Linux, Visible(show) from the Visibility.
Login into Instance >> Manage Apps >> Search this Unix & linux >> Check the Visibility >> Make it Show >> Go to setup >> Save the setup.
After making it show, it will prompt for the setup of the Unix and Linux. Then you will be able to configure the Add-on for Unix and Linux.
Once the Add-on is configured, you can make it Hidden from the Visibility the same way you make it show, as shown in the below screenshot : 
| Revision | Publish Date | Comments |
|---|---|---|
1.0 |
29-Sep-2026
|
Initial Release |