QGIS for CentOS 5.x provided by Antonio Chay Hidalgo "antonio.chay at
gmail.com", Carlos Roman "caroman at gmail.com" and Francisco Rodríuez
"panchorp at gmail.com". Futher depending packages are provided within 
folder "libs" or can be found in other popular CentOS repositories. The 
QGIS packages might also work for RedHat, but it is not tested.