DBCA xlib "0.0" connection refused by the server errror

I use oracle enterprise linux 5.4 in the virtual machine and I am trying to create a new database with the DBCA assistant
but when I do this
an error is returned

XLib: connection to "0.0" refused b Server
XLib: no protocol specified

exception in the main thread

How to remedy?

It is often an indication of doing things in the right order.

Step 1: Connect to the computer that has a screen of XWindows
Step 2: Say that the screen not to accept remote requests by publishing "xhost +".
Step 3: Connect to the computer / user who is to use the XWindows
Step 4: Tell what to display on the computer to be used for display by using export DISPLAY =: display.screen (host)
Step 5: Run the program in need of a display

Many people connect to root on the computer, then knew to oracle to install it. While this is basically a stupid thing to do, because only by using root unnecessarily increases the potential security risks and is NOT very handy and it cannot in any company that meets, what follows would be the sequence

(1) connect XWindows as root
(2) open a terminal
(3) enter ' xhost +'
(4) enter ' su - oracle'
(5) enter ' export DISPLAY =: 0.0'
(6) runInstaller (or use some program installation is required)

The most common mistake is running xhost after su. It will not work. The xhost must be issued by the first user - one who owns the screen.

Hans Forbrich @ The point specified was not found.

Concerning
Girish Sharma

Tags: Database

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