OCI: How to Use sudo/su in Combination with xhost and x11forwarding

Applies to

Oracle Cloud Infrastructure

Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.9 [Release OL7 to OL7U9]

Linux x86-64

Goal

How to use sudo/su in combination with x11forwarding on Oracle Linux 7

 

Solution

•  As root, install necessary packages

  $ yum install xclock xorg-x11-xauth

      

•    Login as user "opc" and create an export for user "oracle"

   $ mkdir .xauth
   $ echo oracle > .xauth/export
   $ xauth list $DISPLAY
   testserver01/unix:10 MIT-MAGIC-COOKIE-1 8ae3testc90ef1test140a6ccbf64c1
   $ echo $DISPLAY
   localhost:10.0

     

•    Then login to user "oracle"

   $ sudo su - oracle 

   or

   $ su - oracle

      

• As user "oracle" do If "/home/oracle/.Xauthority" does not exist, the following error is shown