$ yum -y update ... ---> Package akmod-nvidia.x86_64 1:195.36.15-1.fc12 set to be updated ---> Package bind-libs.x86_64 32:9.6.2-3.P1.fc12 set to be updated ---> Package bind-utils.x86_64 32:9.6.2-3.P1.fc12 set to be updated ---> Package boinc-client.x86_64 0:6.10.36-1.r20845svn.fc12 set to be updated ---> Package boinc-client-devel.x86_64 0:6.10.36-1.r20845svn.fc12 set to be updated ---> Package boinc-manager.x86_64 0:6.10.36-1.r20845svn.fc12 set to be updated ---> Package cmake.x86_64 0:2.8.1-0.2.fc12 set to be updated --> Processing Dependency: libz.so.1(ZLIB_1.2.3.3)(64bit) for package: cmake-2.8.1-0.2.fc12.x86_64 ---> Package curl.x86_64 0:7.19.7-9.fc12 set to be updated ---> Package gdb.x86_64 0:7.0.1-37.fc12 set to be updated ---> Package gnote.x86_64 0:0.6.4-1.fc12 set to be updated ---> Package hpijs.x86_64 1:3.10.2-2.fc12 set to be updated ---> Package hplip.x86_64 0:3.10.2-2.fc12 set to be updated ---> Package hplip-common.x86_64 0:3.10.2-2.fc12 set to be updated ---> Package hplip-libs.x86_64 0:3.10.2-2.fc12 set to be updated ---> Package kmod-nvidia-2.6.32.9-70.fc12.x86_64.x86_64 1:195.36.15-1.fc12 set to be updated ---> Package libcurl.i686 0:7.19.7-9.fc12 set to be updated ---> Package libcurl.x86_64 0:7.19.7-9.fc12 set to be updated ---> Package libcurl-devel.x86_64 0:7.19.7-9.fc12 set to be updated ---> Package libsane-hpaio.x86_64 0:3.10.2-2.fc12 set to be updated ---> Package libtirpc.x86_64 0:0.2.1-1.fc12 set to be updated ---> Package opencv.x86_64 0:1.1.0-0.9.pre1.fc12 set to be updated ---> Package smart.x86_64 0:1.3-65.fc12 set to be updated ---> Package telepathy-gabble.x86_64 0:0.8.12-1.fc12 set to be updated ---> Package webkitpart.x86_64 0:0.0.5-0.2.svn1088283.fc12 set to be updated --> Finished Dependency Resolution Error: Package: cmake-2.8.1-0.2.fc12.x86_64 (kde-unstable) Requires: libz.so.1(ZLIB_1.2.3.3)(64bit) Should I enable updates-testing? - Gilboa