Simple Network Troubleshooting
http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch04_:_Simple_Network_Troubleshooting
http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch11_:_Sharing_Resources_Using_Samba
http://www.linuxhomenetworking.com/