On 11/08/2016 10:52 AM, Gene Heskett wrote: > On Tuesday 08 November 2016 07:59:16 Mark wrote: > >> On 11/07/2016 12:17 PM, Gene Heskett wrote: >>>> I ran into this problem once before. There was an entry in one of >>>> the /etc/pam.d files that was causing me grief. Don't remember >>>> what it was. dmesg might have some clues as to what pam module(s) >>>> is/are not allowing the authentication to go through. Have you >>>> tried su'ing to root and running synaptic-pkexec? >>> That also fails as root can't open a display. >>> >>>> Cheers, >>>> Mark >>> Backatcha :) >>> >>> Cheers, Gene Heskett >> What happens if you try to run startx logged in as root? >> >> Mark >> > This has been a std denial for 3 or 4 years. Its not possible for another > user to use YOUR x screen. Security thing I guess. There used to be a > work-a-round, but I used it so rarely I've now forgotten it (oldtimers), > and so has everyone else, if it still works, its wearing a top secret > label. > > The pkexec thing used by some utils, like synaptic, seems to open the > synaptic gui as you, but the underlying apt runs as root or sudo. On > the armhf versions it won't work unless you set a root pw, which the > raspian build does not have by default. Only sudo, which is rejected by > pam-auth-----. The net effect is that we have no gui-like package > manager unless possibly aptitude might run. Having had to re-install, > losing everything unless the re-install was on a new disk, saving the > old one, 3 times now after aptitude screwed the pooch and destroyed my > system, the chances of me running that on the r-pi are somewhere between > point triple ought excrement and none. > > So, what I intend to do once an orange-pi 3 arrives (its instate A/O last > night) is to use the r-pi to run linuxcnc, exporting its x stuff to the > O-pi, for rendering, which the O-Pi claims to be able to do 30 FPS in 4k > hdmi output, severe overkill for this. And it will still fit on the > inside of the lid of the motor drivers box, getting rid of 20 lbs and > nearly a cubic foot of a Dell Dimension X86 box, and giving me an > additional 48 gpio's to play with as the r-pi talks spi at about 4 or 5 > megabits to this I/O card, a Mesa 7i90HD. > > Thats the plan anyway. I am still in the process of hooking the card up > to make the motors spin. > > Cheers, Gene Heskett
I meant logging in as root, then running startx from the command line. Not su'ing or sudo'ing. Just to see of X actually starts under a root shell. Mark ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
