This problem started today. I cannot run any programs with elevated privileges from the Unity GUI. I am in the sudo group, and all of this worked fine yesterday...Ubuntu 14.04
- Software Center immediately closes without offering the password dialog.
- User Manager does not allow me to unlock.
- I can no longer mount a USB stick, as I don't have permission.
I CAN execute
gksu synaptic from the command line. And I can mount the USB manually with
sudo mount /dev/sdl1 /media/usb
I discovered this has to do with PolicyKit. I sort of solved the problem by creating
/etc/polkit-1/localauthority.conf.d/60-myauthority.conf and specifically adding my username to
That still doesn't explain why PolicyKit is not honoring the sudo group in
/etc/polkit-1/localauthority.conf.d/51-ubuntu-admin.conf, as I've stated I'm in the sudo group.