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我曾经能够使用 VNC 客户端连接到我的服务器。但是，现在窗口将打开，但为（并保持）黑色。
我可以通过 SSH 连接到我的服务器。我重新启动了vncserver，没有效果。我在下面粘贴的日志文件上使用了 cat 。
感谢您帮助调试问题。
Xvnc TigerVNC 1.6.0 - built ??? ?? ???? ??:??:??
Copyright (C) 1999-2015 TigerVNC Team and many others (see README.txt)
See http://www.tigervnc.org for information on TigerVNC.
Underlying X server release 11803000, The X.Org Foundation
Wed Jul 25 11:57:20 2018
vncext: VNC extension running!
vncext: Listening for VNC connections on all interface(s), port 5901
vncext: Listening for HTTP connections on all interface(s), port 5801
vncext: created VNC server for screen 0
/etc/X11/xim: Checking whether an input method should be started.
/etc/X11/xim: Checking whether an input method is specified in /home/user/.i18n.
sourcing /etc/sysconfig/language to get the value of INPUT_METHOD
INPUT_METHOD is not set or empty (no user selected input method).
Trying to start a default input method for the locale en_US.UTF-8 ...
There is no default input method for the current locale.
Dummy input method "none" (do not use any fancy input method by default)
Xlib: extension "GLX" missing on display ":1".
Xlib: extension "GLX" missing on display ":1".
Xlib: extension "GLX" missing on display ":1".
Xlib: extension "GLX" missing on display ":1".
gnome-session-is-accelerated: No hardware 3D support.
Xlib: extension "GLX" missing on display ":1".
gnome-session-check-accelerated: Helper exited with code 256
Xlib: extension "GLX" missing on display ":1".
Xlib: extension "GLX" missing on display ":1".
Xlib: extension "GLX" missing on display ":1".
Xlib: extension "GLX" missing on display ":1".
gnome-session-is-accelerated: No hardware 3D support.
Xlib: extension "GLX" missing on display ":1".
gnome-session-check-accelerated: Helper exited with code 256
gnome-session-binary[17070]: WARNING: software acceleration check failed: Child process exited with code 1
Unable to init server: Could not connect: Connection refused
** (gnome-session-failed:17123): WARNING **: Cannot open display:
Wed Jul 25 11:57:31 2018
Connections: accepted: 10.16.51.124::49316
SConnection: Client needs protocol version 3.8
SConnection: Client requests security type VeNCrypt(19)
SVeNCrypt: Client requests security type TLSVnc (258)
Wed Jul 25 11:57:36 2018
VNCSConnST: Server default pixel format depth 24 (32bpp) little-endian rgb888
Wed Jul 25 11:57:37 2018
VNCSConnST: Client pixel format depth 24 (32bpp) little-endian rgb888
Wed Jul 25 11:57:56 2018
Connections: closed: 10.16.51.124::49316 (Clean disconnection)
EncodeManager: Framebuffer updates: 1
EncodeManager: Tight:
EncodeManager: Solid: 1 rects, 786.432 kpixels
EncodeManager: 16 B (1:196609 ratio)
EncodeManager: Total: 1 rects, 786.432 kpixels
EncodeManager: 16 B (1:196609 ratio)