无法使用命令 /usr/bin/xdpyinfo 自动检查显示器颜色

安装oracle11g的时候出现如下画面．查询一些相关的信息，本来上次安装的时候，应该记一下相关的问题总结，这次就记下来吧．

at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.access$000(X11GraphicsEnvironment.java:53)
at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:142)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:131)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
at java.awt.Window.init(Window.java:270)
at java.awt.Window.<init>(Window.java:318)
at java.awt.Frame.<init>(Frame.java:419)
at oracle.ewt.popup.PopupFrame.<init>(Unknown Source)
at oracle.ewt.lwAWT.BufferedFrame.<init>(Unknown Source)
at oracle.sysman.oio.oioc.OiocOneClickInstaller.<init>(OiocOneClickInstaller.java:328)
at oracle.sysman.oio.oioc.OiocOneClickInstaller.<clinit>(OiocOneClickInstaller.java:168)
解决办法：
在root下，执行“xhost +” 即可

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