Install WebLogic 12c on CentOS 6.X Linux
How to Install and Quick Start with Oracle Bea WebLogic 12c Application Server for JEE6 Development Release on CentOS 6.x KDE4 x8664 Linux desktop.
Here I Describe a Local Installation, for a System-Wide One you will need hence to Adapt Consequently the Procedure.
On the Article Bottom you find a Link to Weblogic 12c Quick Start with First, Steps Administration and Deployment Procedures.

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Download WebLogic 12c Server Generic for 64-bit JVM:
WebLogic Generic Installer .jar