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Troubleshoot applications and hardware

Troubleshoot applications and hardware - Linux Tutorial

From the course: CompTIA Linux+ (XK0-005) Cert Prep

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Troubleshoot applications and hardware

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- [Instructor] Applications may not run for many reasons. In this video, we'll discuss some of those reasons and the tools to troubleshoot the problem. In any operating system with SELinux in enforcing mode there may be context violations for applications. If you have a graphical interface you may be notified if there's been a violation and an application has been restricted. If you don't get a notification, you can always run sealert which will bring up the SELinux alert browser, the GUI tool that shows violations. This tool gives you information about the problem and one or more solutions to fix it. You can also search the auto logs by using ausearch. You can pass it options to specify all denials today or even in the last 10 minutes by using the recent keyword. Also, there's aureport which produces summary reports of the audit log activity. Lastly, you can elevate privileges and view the audit log directly. It's stored…

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