adb doesn't show nexus 5 device

Question

Android Studio 0.3.6
Fedora 18 3.11.7-100.fc18.x86_64
Nexus 5 Kitkat

Hello,

I have been using my Samsung Galaxy Tab 3 7.0 runn

Answer 1

Something nobody has mentioned yet:

Some cables do NOT support data. I was sitting here wondering why my Nexus 5 was refusing to show up on OSX. It turned out I was using a cable that didn't support data.

I swapped to a different cable which did support it, and suddenly I was able to use USB debugging.