digiCamControl is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux alternative is CaptureGRID. It's not free, so if you're looking for a free alternative, you could try qDslrDashboard or gphoto. If that doesn't suit you, our users have ranked more than 10 alternatives to digiCamControl and eight of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to digiCamControl are Entangle (Free, Open Source), qStopMotion (Free, Open Source), Multican (Free, Open Source) and Stop Motion Capture (Free, Open Source).
qDslrDashboard is a cross platform application for controlling Nikon, Canon and Sony cameras. It uses the PTP and PTP/IP protocol to communicate with the connected DSLR camera. Currently qDslrDashboard is available for Android, iOS, Linux, OSX and Windows platforms.
qStopMotion is a free application for creating stop-motion animation movies. The users will be able to create stop-motions from pictures imported from a camera or from the harddrive and export the animation to different video formats such as mpeg or avi.
a Canon EOS class remote control utility which is able to remote control 350D, 300D, 30D, 20D and 5D. It is possible to control more of such cameras in the same time up to six cameras attached. Multican allows scripted remote control of multiple cameras.