On Wed, 2005-03-09 at 15:40 +0100, Lothar Joeckel wrote: > Hi, > i try to install Oracle 10g on CentOS4 but the installer > (runInstaller) > fails with: > . > Checking operating system version: must be redhat-2.1, redhat-3, > SuSE-9, SuSE-8 or UnitedLinux-1.0 > Failed <<<< You need to change the contents of /etc/redhat-release The file has to contain the original redhat string. I don't remember what it is, but you can google it up quickly. Regards