I have followed the instructions from http://www.arduino.cc/playground/Learning/Linux which worked fine, yet when I startup the IDE itself (works), the main area for the code has a dark blue background and it is indeed locked to editing.
I can open example files, can create new ones and they are all read/writable by my user. Just not edit them (?).
Here is a trace from starting arduino from the shell (which doesn’t tell a lot I guess, but at least there are no error messages to be found):
Native lib Version = RXTX-2.1-7
Java lib Version = RXTX-2.1-7
Thanks in advance for your help!