INS-30131: Initial setup required for the execution of installer validation failed Cause: “Failed to access the temporary location”.
In order to solve the error set one path such as /tmp
export TMP=/u01/setup export TEMP=/u01/setup export TMPDIR=/u01/setup
or you can try can check for the permission for the file the setup is trying to use and change it the current user.
chown -R oracle:oinstall CVU..... chmod -R 775 CVU....