On Wed, 2005-03-09 at 07:40, Lothar Joeckel wrote: > Starting Oracle Universal Installer... > Checking installer requirements... > Checking operating system version: must be redhat-2.1, redhat-3, > SuSE-9, SuSE-8 or UnitedLinux-1.0 > Failed <<<< As suggested on page http://www.puschitz.com/InstallingOracle10g.shtml you need to change the redhat-release file to fool the installer. su - root cp /etc/redhat-release /etc/redhat-release.backup cat > /etc/redhat-release << EOF Red Hat Enterprise Linux AS release 3 (Taroon) EOF