/usr/bin/cjk-gs-integrate is in texlive-lang-cjk 2015.20160223-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../share/texlive/texmf-dist/scripts/cjk-gs-integrate/cjk-gs-integrate.pl
/usr/bin/../share/texlive/texmf-dist/scripts/cjk-gs-integrate/cjk-gs-integrate.pl