hi,
after your answer, I googled terms "virtualgl" and "headless" after some
answers I did some tries on my headless computer, by ssh I root and type these
commands :
[root ~]$ /usr/bin/nvidia-xconfig
[root ~]$ /usr/bin/nvidia-xconfig -a --use-display-device=none
then I got this xorg.conf :
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 313.26 (buildmeister@swio-display-x86-rhel47-13)
Wed Feb 27 13:32:27 PST 2013
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "keyboard"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8600 GT"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "UseDisplayDevice" "none"
SubSection "Display"
Depth 24
EndSubSection
EndSection
after a reboot, I connect user to my headless comp with vglconnect and try to
start some applications,
[user ~]$ /opt/VirtualGL/bin/vglconnect etracer
I (still) got,
VirtualGL Client 32-bit v2.3.2 (Build 20130314)
start-- 534: Could not open display
[VGL] ERROR: vglclient failed to execute.
I try to launch another app (tremulous), I got some errors, some like :
ERROR: ld.so: object 'libdlfaker.so' from LD_PRELOAD cannot be preloaded:
ignored.
ERROR: ld.so: object 'librrfaker.so' from LD_PRELOAD cannot be preloaded:
ignored.
after some research, I did this,
[root ~]# chmod u+s /opt/VirtualGL/lib/libdlfaker.so
[root ~]# chmod u+s /opt/VirtualGL/lib/librrfaker.so
after reboot, I still got same errors than before.
well, I'm still stuck here...
n.b. I didn't found in the official documentation, information about running a
headless server, most information found aren't really young enough, my feeling
is it's always tricky to use old informations (I mean >9 month) many time they
are outdated...
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