Ubuntu
policykit-desktop-privileges package

  1. Bug #1240336
  2. Comment #32

Comment 32 for bug 1240336

Revision history for this message
Serhiy (xintx-ua) wrote : Re: Not authorized to perform operation....

In my case #19 didn't work but appending

 session required pam_loginuid.so
 session required pam_systemd.so

to /etc/pam.d/lxdm fixed everything.