基于VirtualBOX的OracleLinux分辨率设置

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在基于Virtual BOX的Oracle Linux上布署11G RAC，执行grid Infrastructure 集群件安装的时候，OUI界面显示不全，右下角缺少next与cancel按钮，显示如下 点击System--Administrator--Display，将分辨率由640x480调整至800x600，然后logout重新登陆，问题依旧

在基于Virtual BOX的Oracle Linux上布署11G RAC，执行grid Infrastructure 集群件安装的时候，OUI界面显示不全，右下角缺少"next"与"cancel"按钮，显示如下

点击"System"-->"Administrator"-->"Display"，将分辨率由640x480调整至800x600，然后logout重新登陆，问题依旧。

编辑/etc/X11/xorg.cnf文件，设置分辨率参数Modes，显示如下

div "InputDevice"
Identifier "Keyboard[0]"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
Option "Protocol" "Standard"
Option "CoreKeyboard"
Enddiv


div "InputDevice"
Driver "mouse"
Identifier "Mouse[1]"
Option "Buttons" "9"
Option "Device" "/dev/input/mice"
Option "Name" "VirtualBox Mouse Buttons"
Option "Protocol" "explorerps/2"
Option "Vendor" "Oracle Corporation"
Option "ZAxisMapping" "4 5"
Option "CorePointer"
Enddiv


div "InputDevice"
Driver "vboxmouse"
Identifier "Mouse[2]"
Option "Device" "/dev/vboxguest"
Option "Name" "VirtualBox Mouse"
Option "Vendor" "Oracle Corporation"
Option "SendCoreEvents"
Enddiv


div "ServerLayout"
Identifier "Layout[all]"
InputDevice "Keyboard[0]" "CoreKeyboard"
InputDevice "Mouse[1]" "CorePointer"
InputDevice "Mouse[2]" "SendCoreEvents"
Option "Clone" "off"
Option "Xinerama" "off"
Screen "Screen[0]"
Enddiv


div "Monitor"
Identifier "Monitor[0]"
ModelName "VirtualBox Virtual Output"
VendorName "Oracle Corporation"
Enddiv


div "Device"
BoardName "VirtualBox Graphics"
Driver "vboxvideo"
Identifier "Device[0]"
VendorName "Oracle Corporation"
Enddiv


div "Screen"
Subdiv "Display"
Depth 24

Modes "1024x768" "800x600" "640x480"
EndSubdiv
Device "Device[0]"
Identifier "Screen[0]"
Monitor "Monitor[0]"
Enddiv

然后重启系统，问题依旧，并且点击"System"-->"Administrator"-->"Display"，发现可选分辨率还是只有640x480和800x600。

百度了一下，网上说要安装Virtual Box增强功能，具体操作如下

点击“安装增强功能”后，桌面会出现VBOXADDITIONS _4.3.10_93012光盘图标，点击图标后，找到“VBOXLinuxAdditions.run”文件

双击运行，屏幕输出以下信息

Verifying archive integrity... All good.
Uncompressing VirtualBox 4.3.10 Guest Additions for Linux............
VirtualBox Guest Additions installer
Copying additional installer modules ...
Installing additional modules ...
Removing existing VirtualBox non-DKMS kernel modules [ OK ]
Building the VirtualBox Guest Additions kernel modules
Building the main Guest Additions module [ OK ]
Building the shared folder support module [ OK ]
Building the OpenGL support module [ OK ]
Doing non-kernel setup of the Guest Additions [ OK ]
Starting the VirtualBox Guest Additions [ OK ]
Installing the Window System drivers
Installing X.Org 7.1 modules [ OK ]
Setting up the Window System to use the Guest Additions [ OK ]
You may need to restart the hal service and the Window System (or just restart
the guest system) to enable the Guest Additions.


Installing graphics libraries and desktop services componen[ OK ]
然后重启系统解决问题。

备注：如果双击“VBOXLinuxAdditions.run”文件，屏幕没有输出上面的信息，可以在命令行下进去文件所在路径，以root用户执行。

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