When I am trying to install oracle from Oracle Enterprise Linux I got the below error while launching GUI Interface.
Xlib: connect to ":0.0" refused by server
Xlib: No protocol specified
xhost: unable to open display ":0.0"
I am able to execute xhost commands from root user, whereas when i am running it with oracle user i am getting the above error.
To resolve it
root > xhost +
output --- access control disabled, clients can connect from any host
login from oracle using other terminal, run the below command to verify whether xhost commands are working or not
oracle > xclock --> If it displays clock then you directly launch oracle Installation GUI using runInstaller
If not login into Lunix using oracle login then type startx, you will be able to work with xhost.
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