ORACLE11g 安装中xhost: unable to open display 问题解决纪实

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1，Xhosts报错

安装好vncserver，本地pc笔记本能通过vnc viewer远程连接oracle服务器，但是在执行xhost+报错，尝试过localhost，尝试过127.0.0.1，也试过本机ip地址，都是unable toopen displa，如下所示

[root@orcltest ~]# export DISPLAY=localhost:1

[root@orcltest ~]# xhost

xhost: unable to open display "localhost:1"

[root@orcltest ~]#

[root@orcltest ~]# export DISPLAY=127.0.0.1:1

[root@orcltest ~]# xhost

xhost: unable to open display "127.0.0.1:1"

[root@orcltest ~]# xhost +

xhost: unable to open display "127.0.0.1:1"

[root@orcltest ~]# xhost + 192.51.3.12

xhost: unable to open display "192.51.3.12:1"

2，去查看后台的vnc日志信息，日志信息

看到vnc日志信息正常，没有啥异常信息

[root@orcltest ~]# vim /root/.vnc/orcltest:1.log

Xvnc TigerVNC 1.1.0 - built May 11 2016 13:01:55

See http://www.tigervnc.org for information on TigerVNC.

Underlying X server release 11704000, The X.Org Foundation

Tue Mar 14 03:23:26 2017

vncext: VNC extension running!

vncext: Listening for VNC connections on all interface(s), port 5901

vncext: created VNC server for screen 0

GNOME_KEYRING_SOCKET=/tmp/keyring-jRupIx/socket

SSH_AUTH_SOCK=/tmp/keyring-jRupIx/socket.ssh

GNOME_KEYRING_PID=7358

Cleaned 21 files 7 still live

Failed to play sound: Not available

(polkit-gnome-authentication-agent-1:7380): GLib-GObject-WARNING **: cannot register existing type `_PolkitError'

(polkit-gnome-authentication-agent-1:7380): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

** (gnome-user-share:7381): WARNING **: gnome-user-share cannot be started as root for security reasons.

Initializing nautilus-gdu extension

** (gnome-panel:7372): WARNING **: panel-applet-frame.c:1288: failed to load applet OAFIID:GnoteApplet:

(null)

** (gnome-panel:7372): WARNING **: panel-applet-frame.c:1288: failed to load applet OAFIID:GNOME_FastUserSwitchApplet:

(null)

3，试试xdyinfo

Google到了一些资料，有准备安装xdyinfo成功的，这里也试试看，先安装xdpyinfo

[root@orcltest ~]# xdpyinfo

-bash: xdpyinfo: command not found

[root@orcltest ~]# yum install -y xdpyinfo

Loaded plugins: refresh-packagekit, security

Setting up Install Process

Resolving Dependencies

--> Running transaction check

---> Package xorg-x11-utils.x86_64 0:7.5-14.el6 will be installed

--> Processing Dependency: libdmx.so.1()(64bit) for package: xorg-x11-utils-7.5-14.el6.x86_64

--> Processing Dependency: libXxf86dga.so.1()(64bit) for package: xorg-x11-utils-7.5-14.el6.x86_64

--> Running transaction check

---> Package libXxf86dga.x86_64 0:1.1.4-2.1.el6 will be installed

---> Package libdmx.x86_64 0:1.1.3-3.el6 will be installed

--> Finished Dependency Resolution

Dependencies Resolved

===============================================================================================================================================================================================================================================================================

Package Arch Version Repository Size

Installing:

xorg-x11-utils x86_64 7.5-14.el6 base 101 k

Installing for dependencies:

libXxf86dga x86_64 1.1.4-2.1.el6 base 18 k

libdmx x86_64 1.1.3-3.el6 base 15 k

Transaction Summary

Install 3 Package(s)

Total download size: 133 k

Installed size: 270 k

Downloading Packages:

(1/3): libXxf86dga-1.1.4-2.1.el6.x86_64.rpm | 18 kB 00:00

(2/3): libdmx-1.1.3-3.el6.x86_64.rpm | 15 kB 00:00

(3/3): xorg-x11-utils-7.5-14.el6.x86_64.rpm | 101 kB 00:00

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Total 252 kB/s | 133 kB 00:00

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

Installing : libXxf86dga-1.1.4-2.1.el6.x86_64 1/3

Installing : libdmx-1.1.3-3.el6.x86_64 2/3

Installing : xorg-x11-utils-7.5-14.el6.x86_64 3/3

Verifying : libdmx-1.1.3-3.el6.x86_64 1/3

Verifying : xorg-x11-utils-7.5-14.el6.x86_64 2/3

Verifying : libXxf86dga-1.1.4-2.1.el6.x86_64 3/3

Installed: