Package: perl-IPC-DirQueue

"perl-IPC-DirQueue" package binaries on CentOS:

/usr/bin/dq-deque /usr/bin/dq-indexd /usr/bin/dq-list /usr/bin/dq-server /usr/bin/dq-submit

You may install this package on CentOS with yum install perl-IPC-DirQueue