ABSTARCT The network administrator task is to manage all network activities. There are many things that administrator must do when he manages the network, for example he must monitor the connection among the client and server, bandwidth, and processor level activity. There are many ways could be done to manage computer network easier. Cacti comes with all its benefit. Cacti provides with free license and can be run in almost operating system in the world. Cacti is a web based application that can make the managing network activity easier. For this reason cacti can become solution to manage the computer network. This software is hopefully to make the tasks of administrator easier in managing the network. Key Word: Network, FreeBSD, Web Server, Cacti