Package: texlive-utils

"texlive-utils" package binaries on CentOS:

/usr/bin/a2ping /usr/bin/e2pall /usr/bin/epstopdf /usr/bin/gsftopk /usr/bin/mf /usr/bin/mf-nowin /usr/bin/mktexpk /usr/bin/pdfcrop /usr/bin/ps4pdf /usr/bin/thumbpdf

You may install this package on CentOS with yum install texlive-utils