Do you have samba running on the Linux box?
Do you have a share specified on the Linux box?
Samba is configured in your smb.conf
You need to have samba up and running.
Do a search on LQ for samba, smb.conf
Cannot find place to add a workgroup name in linux system
This will get you up and running, modify as you will.
file will be at different locations depending on what flavor of Linux that you are using.
guest account = fred
path = /home/lannut2/share
available = yes
browsable = yes
public = yes
writable = yes
get error no route to network
Is your network working and configured?