To ensure your product works properly, apply all minimum required operating system patches and use only the versions of other software that are supported for an IBM Cognos product.
To review an up-to-date list of environments supported by IBM Cognos products, such as operating systems, patches, browsers, Web servers, directory servers, database servers, and application servers, visit the IBM Cognos Resource Center (http://www.ibm.com/software/data/support/cognos_crc.html).
It is important to note that the Linux operating system is available in a number of distributions and supports a number of hardware platforms. Ensure that the operating system and hardware combination you are using is a supported combination.