ERROR: Unable to verify the graphical display setup. This application requires X display. Make sure

Hi,

When I invoke ./runInstaller command on the linux server to install oracle 19c , I get the below error. Could you please suggest something.

[oracle@servername dbhome_1]$ export DISPLAY=servername:0.0;

[oracle@servername dbhome_1]$ ./runInstaller

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

Exception in thread "main" java.lang.UnsatisfiedLinkError: /busdata/roem/www0/oracle/tmp/app/oracle/product/19.0.0/dbhome_1/jdk/jre/lib/amd64/libawt_xawt.so: libXext.so.6: Ne peut ouvrir le fichier d'objet partagé: Aucun fichier ou dossier de ce type

    at java.lang.ClassLoader$NativeLibrary.load(Native Method)