Package: dvipng

"dvipng" package binaries on CentOS:

/usr/bin/dvigif /usr/bin/dvipng

You may install this package on CentOS with yum install dvipng

"dvipng" package binaries on Debian:

/usr/bin/dvigif /usr/bin/dvipng

You may install this package on Debian with apt-get install dvipng