after logging in as oracle you havent set your DISPLAY On 20/08/07, Yongping Yao <yaoyongping@xxxxxxxxx> wrote: > > I'm trying to install Oracle 11g on RHEL5. But after I add user oracle, > it cannot log in XWindow. I can log in as root. > I tried "xhost +" or "xhost +si:localuser:oracle", but it seems like: >