TWiki won't install

I am trying to use the install scripts to install TWiki, but get the following error message after I click the "Show Install Options" button:

This script cannot be installed, as this virtual server does not meet its requirements : Missing command rcs

The rcs package is installed. What else could be the problem?

System details:
Operating system CentOS Linux 5.2
Webmin version 1.430
Virtualmin version 3.62 (Pro)

TIA for any advice.


If you log into your server via SSH as root, what does this command show:

which rcs


Well, don’t I look silly. I must have used the yum command on the shell of another system. Thanks for the response!