How to create samba3 PDC with ldap backend

Install LDAP

aptitude install slapd 

Install PHPLDAPADMIN web interface

aptitude install apache-ssl phpldapadmin

Enter your country code when prompted ex. US Enter the name of your state when prompted ex. Utah Enter the name of your city when prompted ex. Salt Lake City Enter your organization when prompted ex. buster.lan Enter your OU name when prompted ex. ITT Enter your host name when prompted ex. pdc.buster.lan Enter the contact email when prompted ex. root@buster.lan


tar zxvf mkntpwd.tar.gz
cd mkntpwd
cp mkntpwd /usr/local/bin/

Install Samba

aptitude install make gcc libc-dev samba samba-doc

Enter your domain name when prompted ex. buster.lan Answer NO when asked whether you want to modify smb.conf or not

cd /usr/share/doc/samba-doc/examples/LDAP
gunzip samba.schema.gz
cp samba.schema /etc/ldap/schema/
vim /etc/ldap/slapd.conf

add this line after the other include lines:

include         /etc/ldap/schema/samba.schema

Now restart LDAP

/etc/init.d/slapd restart

open a webbrowser and go to: https://pdc/phhldapadmin/ (replace pdc with your server name or IP) login with the following user:


use the password entered when you installed LDAP expand the root node and then click on “Create new entry here” select OU and click “proceed” enter users for the OU name and click “Create object” repeat the previous three steps and create two other OUs called “groups” and “machines”

vim /et c/samba/smb.conf


passdb backend=tdsam

and replace it with:

passdb backend = ldapsam:ldap://
ldap suffix = dc=nomis52,dc=net
ldap machine suffix = ou=machines
ldap user suffix = ou=users
ldap group suffix = ou=groups
ldap admin dn = cn=admin,dc=nomis52,dc=net
ldap delete dn = no

# be a PDC
domain logons = yes

# allow user privileges
enable privileges = yes

make sure testparm executes successfully:


Set the samba password and restart samba

smbpasswd -w password
/etc/init.d/samba restart

Log back into phpldapadmin and verify that the ?DomainName record exists below the root create the following Samba3 Mappings under the groups OU:

Unix/Windows Name GID SID ending number admins 20000 512 users 20001 513 guests 20002 514

aptitude install libnss-ldap

Enter the server name as ldap:// when prompted put in the search base as dc=buster,dc=lan (replace with your domain structure) put in the samba version as 3 enter the admin profile as cn=admin,dc=buster,dc=lan (replcae with your domain structure) enter the admin password accept with OK

vim /etc/nsswitch.conf

add “ldap” after every compat

verify that users, guests, and admins exist by executing:

getent group

aptitude install libpam-ldap

Answer yes Answer no Enter the admin profile - cn=admin,dc=buster,dc=lan (replace with your domain structure) Enter your admin password

vim /etc/pam.d/common-account

add the following to the end of the file:

account         sufficient
account         required     try_first_pass

vim /etc/pam.d/common-auth

add the following line to the beginning of the file:

password sufficient

restart ssh and samaba

execute - /etc/init.d/ssh restart (if ssh is installed)
execute - /etc/init.d/samba restart

install nscd

aptitude install nscd
vim /etc/samba/smb.conf

add the following line to the file:

ldap password sync=yes

log back into phpldapadmin and create the following Samba3 Users under the users OU: First Name Last Name username UID SID ending Group Home Directory Domain Admin adminstrator 10000 21000 admins /home/buster/adminstrator (your) (name) (username) 10001 21001 admins /home/buster/(username)

verify the new users are in the database:

getent passwd

create home directory

mkdir /home/buster
mkdir /home/buster/(username)
cp /etc/skel/.* /home/buster/(username)
chown -R (username):users /home/buster/(username)

log back into phpldapadmin and create the a Samba3 machines under the machines OU:

Machine Name UID (machinename)$ 30000

smbpwd -a root

enter your root password

go to your windows machine and right-click on mycomputer and select properties on the name tab select change select the domain radio button and enter buster.lan and click ok enter root for the username enter your root password you should see a welcome to the buster.lan domain message and then reboot and you can log in using user from your LDAP database.