[root@linux-5f159 ~]# yum install -y ruby-rdoc---> Package ruby-libs.x86_64 0:1.8.7.352-7.el6_2 will be updated---> Package ruby-libs.x86_64 0:1.8.7.374-2.el5 will be an update--> Processing Dependency: libtcl8.4.so()(64bit) for package: ruby-libs-1.8.7.374-2.el5.x86_64--> Processing Dependency: libtk8.4.so()(64bit) for package: ruby-libs-1.8.7.374-2.el5.x86_64--> Finished Dependency ResolutionError: Package: ruby-libs-1.8.7.374-2.el5.x86_64 (puppetlabs-deps)Requires: libtcl8.4.so()(64bit)Error: Package: ruby-libs-1.8.7.374-2.el5.x86_64 (puppetlabs-deps)Requires: libtk8.4.so()(64bit)You could try using --skip-broken to work around the problemyum install -y ruby-rdoc** Found 1 pre-existing rpmdb problem(s), 'yum check' output follows:libXtst-devel-1.2.1-2.el6.x86_64 has missing requires of libXtst = ('0', '1.2.1', '2.el6')