I have a web page that displays a list of PDFs in chromium (chromium is always on workspace 2). When I click on a pdf link, it opens it in okular (always workspace 1). When I click another pdf, it opens a new instance of okular, instead of opening it in a new tab. How do I tell it okular is already ...

Does anyone have an example of an overlayfs that works with the latest raspbian stretch and a pi 3 b+? I had an overlay system implemented on my raspberry pi 3 but then I updated to a 3b+ and the latest stretch. Now my overlayfs no longer works. I keep trying several guides I have found for older ve...

Bump for the day.

I am trying to create a simple kiosk to view PDFs. I'd like to have all the PDFs from a certain directory listed at all times on the left side of the screen and then when a user selects a pdf it shows it on the right sight of the screen. Not sure how to even start this.