I use the headless install, and have been for years without problems. I do have dropbox working on machines running both Debian and Ubuntu. There is very little in the way to go on. I have heard issues around KDE5 and also the Nvidia Drivers. Someone recommended removing libGL.so.1 or replacing it with a link to the system package but neither worked for me. Weirdly, I have dropbox running on a different opensuse machine (at work). However, I am not sure if that is running a different version of the Nvidia drivers... I will check and see as that might be useful intel. The machine with the problem is running 384.111.
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