我有一个无头（完全没有显示器）测试台，用于加密采矿，上面有两块显卡。它工作正常，直到更新到版本17.10。
cuda-9-0.176-1和nvidia-384.90-0ubuntu3.17.10.1软件包已安装
以下是更多信息：
ghopper@miner:~$ uname -a
Linux miner 4.13.0-17-generic #20-Ubuntu SMP Mon Nov 6 10:04:08 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
ghopper@miner:~$ env
LS_COLORS=rs=0:di=01;34:ln... bla-bla-bla
LC_MEASUREMENT=ru_RU.UTF-8
SSH_CONNECTION=10.10.1.67 48684 10.10.1.64 22
LESSCLOSE=/usr/bin/lesspipe %s %s
LC_PAPER=ru_RU.UTF-8
LC_MONETARY=ru_RU.UTF-8
LANG=en_US.UTF-8
DISPLAY=:0
LC_NAME=ru_RU.UTF-8
XDG_SESSION_ID=7
USER=ghopper
PWD=/home/ghopper
HOME=/home/ghopper
SSH_CLIENT=10.10.1.67 48684 22
XDG_DATA_DIRS=/usr/local/share:/usr/share:/var/lib/snapd/desktop
LC_ADDRESS=ru_RU.UTF-8
LC_NUMERIC=ru_RU.UTF-8
SSH_TTY=/dev/pts/0
MAIL=/var/mail/ghopper
TERM=xterm-256color
SHELL=/bin/bash
SHLVL=1
LC_TELEPHONE=ru_RU.UTF-8
LOGNAME=ghopper
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
XDG_RUNTIME_DIR=/run/user/1000
PATH=/home/ghopper/bin:/usr/local/sbin:/usr/local/bin:...
LC_IDENTIFICATION=ru_RU.UTF-8
LESSOPEN=| /usr/bin/lesspipe %s
LC_TIME=ru_RU.UTF-8
_=/usr/bin/env
ghopper@miner:~$ cat /etc/X11/xorg.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 384.90 (buildmeister@swio-display-x86-rhel47-05) Tue Sep 19 18:13:03 PDT 2017
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
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 "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection
Section "Monitor"
Identifier "Monitor1"
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 GTX 1060 3GB"
BusID "PCI:2:0:0"
EndSection
Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce GTX 1060 3GB"
BusID "PCI:3:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "AllowEmptyInitialConfiguration" "True"
Option "UseDisplayDevice" "DFP-0"
Option "Coolbits" "31"
Option "ConnectedMonitor" "DFP-0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "AllowEmptyInitialConfiguration" "True"
Option "UseDisplayDevice" "DFP-0"
Option "Coolbits" "31"
Option "ConnectedMonitor" "DFP-0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
问题本身（通过ssh）：
ghopper@miner:~$ nvidia-settings
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused
ERROR: The control display is undefined; please run `nvidia-settings --help` for usage information.
ghopper@miner:~$ DISPLAY=:0 nvidia-settings
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused
ERROR: The control display is undefined; please run `nvidia-settings --help` for usage information.
ghopper@miner:~$ DISPLAY=:1 nvidia-settings
Unable to init server: Could not connect: Connection refused
ERROR: The control display is undefined; please run `nvidia-settings --help` for usage information.
我该怎么做才能解决这个问题？