When installing Oracle 11g of Linux version through VNC, you can’t use the command/usr/bin/xdpyinfo to automatically check the display color, which can be solved by the following methods
1. Execute under root
#xdpyinfo | grep name, write down the string after name of display: 1.0
2. #xhost +
The return information is: access control disabled, clients can connect from any host
3. Switch to Oracle user:
#su – oracle
4. Execute the command under Oracle user
export DISPLAY=:1.0
5. Execute xdpyinfo command under oracle. If it can be displayed normally, it indicates that the setting is successful
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