Firebird 2.5.1 packages are now available in Fedora 15 and Centos 6 and soon in Mageia Linux 1

Firebird 2.5.1 packages are now available in Fedora 15 updates Epel6 (RHEL and Centos 6) packages are in testing for one more week according to the Epel policy. About Mageia 1 they will be in updates soon. For Mandriva they are in Cooker.