How to share home folders with read only permission (Authentication=Yes)

    * Read #General Notes
    * Read #How to install Samba Server for files/folders sharing service 

sudo cp /etc/samba/smb.conf /etc/samba/smb.conf_backup
sudo gedit /etc/samba/smb.conf

    * Find this line 

...
;  security = user
...

    * Replace with the following lines 

  security = user
  username map = /etc/samba/smbusers

    * Save the edited file
    * Read #How to add/edit/delete network users 

sudo testparm
sudo /etc/init.d/samba restart