/etc/samba/smb.conf - Don't forget to change your username

gistfile1.txt

[global]
   workgroup = WORKGROUP
   server string = %h server
   dns proxy = no
   log file = /var/log/samba/log.%m
   max log size = 1000
   syslog = 0
   panic action = /usr/share/samba/panic-action %d
   security = share
   encrypt passwords = true
   passdb backend = tdbsam
   obey pam restrictions = yes
   unix password sync = yes
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n$
   pam password change = yes

[www]
comment = WWW
path = /www
#valid users = @users
create mask = 777
directory mask = 777
writable = yes
read only = no
browseable = yes
guest ok = yes
guest account = username
force user = username
public = yes

[root]
comment = ROOT
path = /
#valid users = @users
create mask = 777
directory mask = 777
writable = yes
read only = no
browseable = yes
guest ok = yes
guest account = username
force user = username
public = yes