1: install samba services.
apt-get install samba
2: Create shared folds as below (change it according your configuration):
[william-ivb-ubuntu]
path = /root/
comment = william-ivb-ubuntu
browseable = yes
writable = yes
3: set password as below (will use current login user for smb user, use -a param to change the smb user):
smbpasswd
input your password and retype.
4: Restart samba services
/etc/init.d/smbd restart
5: test from Windows:
input: \\your-samba-server-ip to file-bowers.
input: smb user name and password in step 3.
6: test from Linux
mount -t cifs -o username=root //10.239.141.103/william-ivb-ubuntu/ /mnt
Done.