## on the server #####################################################

$ cat /etc/smb/smb.conf
...
[smbstorage]
    comment = Main SMB storage
    path = /var/lib/samba/shares/smbstorage
    available = yes
    guest ok = no
    read only = no
    # main samba user account will be given write access, no matter what the read only option is set to
    write list = smbprivate
    browseable = yes
    valid users = smbstorage smbprivate
    hide files = /.*/lost+found/
    dont descend = ./lost+found
    invalid users = root bin daemon adm sync shutdown halt mail news uucp proxy www-data backup sshd
    create mask = 0775
    directory mask = 0775
...

$ ls -l /var/lib/samba/shares/
drwxrwx--T 2 smbprivate sambausers 4096 Oct  9 22:37 smbprivate
drwxr-xr-x 2 nobody     nogroup    4096 Oct  9 22:37 smbpublic
drwxrwx--T 2 smbstorage sambausers 4096 Oct  9 22:37 smbstorage

$ pdbedit -L
smbstorage:1001:
smbprivate:1002:


## on the client #####################################################

$ smbclient -L 192.168.1.10
Domain=[WORKGROUP] OS=[Windows 6.1] Server=[Samba 4.5.12-Debian]

	Sharename       Type      Comment
	---------       ----      -------
	smbstorage      Disk      Main SMB storage
	smbpublic       Disk      Public SMB storage
	IPC$            IPC       IPC Service (srv01 file server)
Domain=[WORKGROUP] OS=[Windows 6.1] Server=[Samba 4.5.12-Debian]

	Server               Comment
	---------            -------
	SRV01                srv01 file server

	Workgroup            Master
	---------            -------
	WORKGROUP



$ smbclient --user=smbstorage \\\\192.168.1.10\\smbstorage
Enter smbstorage's password:
session setup failed: NT_STATUS_LOGON_FAILURE