We’ve talked about Darktable before, because it is a wonderful advanced RAW photo editor and workflow manager. My current favorite feature is tethered shooting, which is connecting a camera to your computer and controlling it with Darktable. Obviously this is not very convenient for hiking or street photography, but for studio and tripod work it’s the bee’s knees. There are two scenarios where this might be useful to you.

Source: How to Remote Control Your Camera with Darktable on Linux | Linux.com | The source for Linux information