Installing convmv on CentOS6 / RHEL6

1. Adding RPMforge reposiotry.
# rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
2. Installing convmv by yum
# yum -y install convmv

That's all.