[Oracle] ERROR: Unable to verify the graphical display setup. This application requires X display. Make sure that xdpyinfo exist under PATH variable.

[+ASM1:/u01/app/12.2.0/grid]> ./gridSetup.sh 
ERROR: Unable to verify the graphical display setup. This application requires X display. Make sure that xdpyinfo exist under PATH variable.

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

 - gridSetup.sh 실행 시  X11 디스플레이 설정이 제대로 구성되지 않아 오류 발생

 

 - 해결방안

# root 사용자
[root@rac1 ~]# export DISPLAY=:0
[root@rac1 ~]# xhost +

# grid 사용자
[+ASM1:/u01/app/12.2.0/grid]> export DISPLAY=:0

# 다시 실행