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标题：使用VBox 安装 Oracle Database 12c Flex Cluster for OEL 5.8—第2部分 前期准备工作
作者：Lunar©版权所有[文章允许转载,但必须以链接方式注明源地址,否则追究法律责任.]
关于OS，文档有如下介绍：
Oracle Linux 6:
# yum install oracle-rdbms-server-12cR1-preinstall
Oracle Linux 5 or Oracle Linux 4:
# yum install oracle-validated
You should see output indicating that you have subscribed to the Oracle Linux channel, and that packages are being installed. For example:
el5_u6_i386_base el5_u6_x86_64_patch
Check the RPM log file to review the system configuration changes. For example:
Oracle Linux 6:
/var/log/oracle-rdbms-server-12cR1-preinstall/results/orakernel.log 1 Oracle Linux 5: 1/var/log/oracle-validated/results/orakernel.log
具体见：使用VBox 安装 Oracle Database 12c Flex Cluster for OEL 5.8—第2部分 前期准备工作
