Oracle-public-yum configuration use Download and Install Oracle LinuxDownload and copy the appropriate yum configuration file in place, by running the following commands as root: oracle Linux 4, Update 6 or Newer # cd/etc/yum. repos. d # mv Oracle-Base.repo Oracle-Base.repo.disabled # wget http://public-yum.oracle.com/public-yum-el4.repoOracle Linux 5 # cd/etc/yum. repos. d # wget http://public-yum.oracle.com/public-yum-el5.repoOracle Linux 6 # cd/etc/yum. repos. d # wget http://public-yum.oracle.com/public-yum-ol6.repoOracle VM 2 # cd/etc/yum. repos. d # wget http://public-yum.oracle.com/public-yum-ovm2.repoEnable the appropriate repository by editing the yum configuration fileOpen the yum configuration file in a text editorLocate the section in the file for the repository you plan to update from, e.g. [el4_u6_base] Change enabled = 0 to enabled = 1 Begin using yum, for example: yum listyum install firefoxYou may be prompted to confirm the import of the Oracle OSS Group GPG key.