Network Flow Analysis

Installing FlowViewer

If possible, install FlowViewer from a package provided by your OS vendor. If your vendor doesn't provide a FlowViewer package, you'll need to install by hand, of course.

Prerequisites

Install the following software packages before installing FlowViewer, all of which should be available as packages for most operating systems:

• Web server, such as any recent Apache

• Perl

• RRDtool (http://oss.oetiker.ch/rrdtool/) with Perl shared module support

• GD Graphics Library (http://www.boutell.com/gd/)

• The gd::graph Perl module

• The GDBM Perl module (might be packaged as GDBM_File)

You'll also need to know the system user who runs your web pages. This is probably a user named www, http, or www-data. If your web server is running, enter ps -axe or ...