Create new configuration file /etc/xinetd.d/swat:

sudo cat > /etc/xinetd.d/swat <<-EOF

service swat
{
port = 901
socket_type = stream
wait = no
user = root
server = /usr/sbin/swat
log_on_failure += USERID
disable = no
}
EOF

Change the permissions smb.conf to group administrator (adm).

use chmod and chgrp tools to change the file access permissions and group permissions respectively:

sudo chmod g+w /etc/samba/smb.conf

sudo chgrp adm /etc/samba/smb.conf

Restart service xinetd with following command:

sudo service xinetd restart

open your web browser and access http://samba_server:[port]. default port: 901

If successful, you will be presented with a dialog box asking for username and password.