[root@domU-12-31-39-09-25-12 greg]# sudo yum install gdal
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Loading mirror speeds from cached hostfile
 * addons: centos.mirror.nac.net
 * base: mirror.atlanticmetro.net
 * epel: mirror.cc.columbia.edu
 * extras: mirror.highspeedweb.net
 * rpmforge: fr2.rpmfind.net
 * updates: mirror.trouble-free.net
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epel                                                                                                                              | 3.7 kB     00:00
extras                                                                                                                            | 2.1 kB     00:00
pgdg84                                                                                                                            | 1.9 kB     00:00
rpmforge                                                                                                                          | 1.1 kB     00:00
updates                                                                                                                           | 1.9 kB     00:00
Excluding Packages from CentOS-5 - Base
Finished
Excluding Packages from Extra Packages for Enterprise Linux 5 - i386
Finished
Excluding Packages from CentOS-5 - Updates
Finished
1458 packages excluded due to repository priority protections
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package gdal.i386 0:1.4.4-2.el5.rf set to be updated
--> Processing Dependency: libgeos_c.so.1 for package: gdal
--> Processing Dependency: libgeos-3.1.0.so for package: gdal
--> Processing Dependency: libnetcdf.so.4 for package: gdal
--> Processing Dependency: libgif.so.4 for package: gdal
--> Running transaction check
---> Package geos.i386 0:3.2.2-1.el5.rf set to be updated
--> Processing Dependency: libgeos-3.2.2.so for package: geos
---> Package geos-devel.i386 0:3.1.0-1.el5.rf set to be updated
--> Processing Dependency: libgeos-3.1.0.so for package: gdal
---> Package giflib.i386 0:4.1.3-7.1.el5_3.1 set to be updated
---> Package netcdf.i386 0:3.6.3-1.el5.rf set to be updated
--> Running transaction check
---> Package geos-devel.i386 0:3.1.0-1.el5.rf set to be updated
--> Processing Dependency: libgeos-3.1.0.so for package: gdal
---> Package geos-devel.i386 0:3.2.2-1.el5.rf set to be updated
--> Finished Dependency Resolution
gdal-1.4.4-2.el5.rf.i386 from rpmforge has depsolving problems
  --> Missing Dependency: libgeos-3.1.0.so is needed by package gdal-1.4.4-2.el5.rf.i386 (rpmforge)
Error: Missing Dependency: libgeos-3.1.0.so is needed by package gdal-1.4.4-2.el5.rf.i386 (rpmforge)
 You could try using --skip-broken to work around the problem
 You could try running: package-cleanup --problems
                        package-cleanup --dupes
                        rpm -Va --nofiles --nodigest