Fedora server

I use a 500 MHz 4GB HDD system to run Fedora 11. I want to use it as a router, web server and php, c++, mysql development environment, console only. I do not need printers, graphics, electronics design, dial-up support on it. I use vim, ssh, samba, iptables, NetworkManager for initial config. I would stop using mail server. These are the groups currently installed: Administration Tools Authoring and Publishing Base Development Libraries Development Tools Dial-up Networking Support Electronic Lab Fonts Graphics Hardware Support Input Methods Legacy Fonts Mail Server MySQL Database Network Servers Printing Support Server Configuration Tools System Tools Text-based Internet Web Server Windows File Server The problem is that they eat up 90% of my only working partition, that is, almost 3GB. Can you please suggest a way I can free a few hundreds of MB on HDD? The problem is that, every time I try to remove the most useless group, I lose basic functionality, like NetworkManger or samba client. I hope that maybe you could suggest a solution to render my system usable for the next months, updates and some reasonably small c++ programming included. Thank you in advance.