yum package install
 

Is there a way usin yum, on Red Hat 5 to re-install a package...
or what would be the best way to get a package re-installed...

Thanks

I suggest you do it with the rpm command. Install the package using the --force option of rpm. See:

man rpm

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Steve Stites

or you can uninstall and then install again
yum remove <package>
yum install <package>
+or use --force

Except RHEL doesn't have yum installed by default does it?

up2date is also nice command to install packets on RHEL.

Personally found yum to be better to deal with package dependencies.
Webmin plugin is also useful to install rpm packages and perl modules from cpan.