Linux Oracle 12c Execution of Installer Validation Failed
This Tip shows you How to Solve Linux Oracle 12c Initial Setup for the Execution of Installer Validation Failed CVU exectask.sh – Step by step Tutorial.
And see Here Below for Causes of “Oracle 12c Execution of Installer Validation Failed CVU exectask.sh” Linux Issue.

Probable Cause: Missing Needed Libraries Setup.
How to Install Oracle 12c Required Libraries on GNU/Linux Distros
Possibly to Check What is Needed directly Running exectask.sh from CVU Dir.
cd /tmp/CVU_12*oracle
./exectask.sh
And See in the Output What is missing…