[global]
        log file = /var/log/samba/log.%m
        passwd chat = *Entersnews*spassword:* %nn *Retypesnews*spassword:* %nn *passwordsupdatedssuccessfully* .
        obey pam restrictions = yes
        map to guest = bad user
        encrypt passwords = yes
        passwd program = /usr/bin/passwd %u
        passdb backend = tdbsam
        wins support = true
        dns proxy = no
        server string = %h Server
        unix password sync = yes
        workgroup = WORKGROUP
        os level = 20
        security = user
        syslog = 0
        panic action = /usr/share/samba/panic-action %d
        usershare allow guests = yes
        max log size = 1000
        pam password change = yes
[Commons]
        writeable = yes
        valid users = testuser
        path = /var/www/projects/dev/commons
        force directory mode = 770
        force group = www-data
        force create mode = 770
        force user = testuser
        comment = Public Share Directory
        public = yes
        create mode = 770
        directory mode = 770

adduser testuser
usermod -a -G www-data testuser
smbpasswd -a testuser

drwxrwxrwx 6 testuser www-data 4096 Aug  6 17:22 commons

smbclient //192.168.0.159/Commons -U testuser