You can probably install Tripwire via Gslapt-get but you have to have root permission in Vector to do it.
I would recommend that you obtain Vectorlinux Standard 5.1 and install that since it will be the most recent and secure version of Vector you can run. (It should run on the just about any hardware but since you did not post your machine specs. this is just an assumption.)
Tripwire should be available in the Gslapt-get sources. If it is not you can obtain the tarball from here:
http://sourceforge.net/projects/tripwire
Goodluck.