I have a file with a .rpm extension that I need to install on redhat. I'm guessing pkgadd would do the trick but it can't find pkgadd anywhere on the system, I did a type, a whereis, a which, no luck.

there are only a few files that are installed. those few files will be put into several directories, likely 5 or less. i would note the locations that are reported by the 'sudo make install' output, ...