Description of problem: RHEL 6.7 has changed the ImageMagick library soversion (to 5.0.0) so dx is no longer installable. Version-Release number of selected component (if applicable): dx-4.4.4-11.el6.3.x86_64
Thanks, I'll take a look at rebuilding it against the new ImageMagick. If you'd like to become co-maintainer and fix this yourself, please apply in pkgdb.
dx-4.4.4-11.el6.4 has been submitted as an update for Fedora EPEL 6. https://admin.fedoraproject.org/updates/dx-4.4.4-11.el6.4
Package dx-4.4.4-11.el6.4: * should fix your issue, * was pushed to the Fedora EPEL 6 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=epel-testing dx-4.4.4-11.el6.4' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-EPEL-2015-7447/dx-4.4.4-11.el6.4 then log in and leave karma (feedback).
dx-4.4.4-11.el6.4 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.