KDebugSettings edits which QLoggingCategory are displayed. QLoggingCategory prints messages on the console for applications and you can define which applications display messages for information, warning or critical errors to help debugging Qt applications.
The packages for RHEL 8 and RHEL 7 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 8 and RHEL 7, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 8 with the following command: