3.13.0-155.205) is not available, but a newer one is (3.13.0-166.216). We redirected you there.
/usr/bin/pdf90 is in texlive-extra-utils 2014.20141024-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../share/texlive/texmf-dist/scripts/pdfjam/pdf90