On 03.02.2017 19:29, Willaim W. Austin wrote:
> I recently upgraded a machine (my main workstation) from FC 23 to FC 24, and 
> there's a problem
> 
> The install was from the Workstation version and the checksum correctgly 
> matches (actually I always make 2 copies, just in case, which I hold on to 
> forever - they both check).
> 
> I did the install, and intitially (until I added other users) everything was 
> fine - no problems in logging in.
> However, I have an imortant app which I support and it needs the entire root 
> screen and can't coexist with plasma shell, so the machine normally runs in 
> multi-user mode, and X sessions are accessed via /usr/bin/startx.  (This has 
> been working since the days of Redhat 5 through FC1 and up to and including 
> FC23 - I never tried FC 24 - and has never given a bit of trouble.)
> 
> After I added a non-privileged user for myself the fun began.  The biggest 
> issue was that a non-privileged user could nto run an X-server (not via 
> startx anyway).
[...]

$ loginctl show-session 1 -pId -pName -pVTNr -pSeat -pTTY -pType -pClass 
-pActive -pState
Id=1
Name=umbrella
VTNr=1
Seat=seat0
TTY=tty1
Type=tty
Class=user
Active=yes
State=active

$ man 1 Xorg.wrap

$ cat /etc/X11/Xwrapper.config
needs_root_rights = no

$ startxfce4

$ ps au | grep [X]org
umbrella [...] tty1 [...] /usr/libexec/Xorg :0 vt1

$ runlevel 
N 3

~~~~~

Via GNOME Display Manager:

$ runlevel 
N 5

Xfce:
$ ps au | grep [X][wo]
gdm      [...] tty1 [...] /usr/bin/Xwayland :1024 -rootless -noreset -listen 4 
-listen 5 -displayfd 6
umbrella [...] tty5 [...] /usr/libexec/Xorg vt5 -displayfd 3 -auth 
/run/user/1012/gdm/Xauthority -background none -noreset -keeptty -verbose 3

GNOME:
$ ps au | grep [X][wo]
gdm      [...] tty1 [...] /usr/bin/Xwayland :1024 -rootless -noreset -listen 4 
-listen 5 -displayfd 6
umbrella [...] tty5 [...] /usr/libexec/Xorg vt5 -displayfd 3 -auth 
/run/user/1012/gdm/Xauthority -background none -noreset -keeptty -verbose 3

KDE:
$ ps au | grep [X][wo]
gdm      [...] tty1 [...] /usr/bin/Xwayland :1024 -rootless -noreset -listen 4 
-listen 5 -displayfd 6
umbrella [...] tty5 [...] /usr/libexec/Xorg vt5 -displayfd 3 -auth 
/run/user/1012/gdm/Xauthority -background none -noreset -keeptty -verbose 3

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