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Thread: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

  1. #1
    Join Date
    Dec 2007

    Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    This tutorial is taken from Bulltext’s and elsewhere, and includes a DNS server, time synch, Webmin, OpenSSH, etc. It has been tested to work on both 32-bit and 64-bit installations. By default it comes with roaming profiles enabled.

    Throughout this you need to be consistent in replacing “myserver” with the name of your server, “mydomain” with the name of your domain, and “PassWD55” with your password. These need to be the same in all places. The text in green is typically something that needs to be typed or entered into forms. The best way to customize this to suit your needs my be to paste this tutorial into Writer or Word and use the replace function to replace myserver, mydomain, and PassWD55 respectively with what you're going to use. This is taken from my own notes, thus the colors, to help see all the places that need changing.

    The options I used at install were:

    For hostname put in the name you’re going to use for your server. In this tutorial I used “myserver”. At the partition editor I highly recommend configuring a partition for the OS and a partition for user data. This will enable you to backup your server configuration much easier than if they were mushed together. I configured a root partition of 6gb, a swap of 2gb (use the amount of RAM you have, or double the amount of RAM if your server’s going to get heavy use), then use the remainder of the drive mounted at /home. Size them as needed, if you're going to be running a database or something you'll need a larger root partition or different structure. For username I used “sysadmin”, password I used “PassWD55”. No automatic updates. Don’t install any extra software. When done remove the CD and reboot.

    1. Login as sysadmin then give root a password:

    sudo passwd root

    Logout and log back in as root.

    2. Optional: install the GUI. Having the GUI available on the server can make it easier to step through this guide. Here I'm assuming your server received an IP address via DHCP or you already configured a static IP. You can perform most tasks here using Webmin and PuTTY if you don’t want to install the GUI.

    apt-get update
    apt-get install ubuntu-desktop

    3. Remove splash screen and GUI startup. Login as root then open a terminal window

    mv /etc/init/gdm.conf /etc/init/gdm.conf.nostart
    cp /etc/default/grub /etc/default/grub.bak
    nano /etc/default/grub

    change line to: GRUB_CMDLINE_LINUX_DEFAULT=""


    Sometimes after this reboot you don't get a login prompt, this seems to be a bug that gets fixed by the next boot. Hit alt-F1, login as root, and enter the GUI with


    4. Install OpenSSH Server, you may wish to use this to step through the tutorial. Download PuTTY to access the server from Windows.

    apt-get install openssh-server

    5. Install Webmin. Get the current link for the Debian package from Right now its:

    wget -O webmin_1.530_all.deb

    dpkg -i webmin_1.530_all.deb

    If this times out, get it directly from If you get a dependency error try

    apt-get install -f

    6. Configure a static IP address. You can either navigate to https://localhost:10000 from the server GUI, login as root and go to Networking> Network Configuration> Network Interfaces> eth0. Change the IP as needed.


    nano /etc/network/interfaces

    Change text under "The primary network interface" to (change IP to suit your network):

    auto eth0
    iface eth0 inet static


    /etc/init.d/networking restart

    Check your IP is set correctly

    ping (ping your gateway)

    7. Configure A Fully Qualified Domain Name

    nano /etc/hosts localhost myserver myserver.mydomain.local

    leave other lines the same

    nano /etc/hostname


    8. Since we're going to sync workstations to server time, we want the server to have correct time

    apt-get install ntp
    nano /etc/ntp.conf

    Add "server" above "server".

    9. Install and configure the DNS server. This is simplest to do with Webmin.

    apt-get install bind9

    navigate to: (Use the IP address you assigned to your server.)

    Login as "root" and "PassWD55"
    Under Servers or Un-used Modules find BIND DNS Server
    Under "Existing DNS Zones" click "Create master zone"
    Enter in the following information:

    Zone type: Forward (Names to Addresses)
    Domain name / Network: mydomain.local
    Records file: Automatic
    Master server: myserver.mydomain.local
    Email address: sysadmin@mydomain.local
    Click "Create" button
    Click "Address (0)" at the top

    Fill in with this information (customize to your needs):
    Name: myserver.mydomain.local
    Address: (Use the IP address of your server)
    Click "Create" button
    Name: mydomain.local
    Address: (use the IP address of your server)
    Click "Create" button
    Click "Return to record types"
    Click "Apply Zone" button
    Click "Apply Configuration"

    cp /etc/resolv.conf /etc/resolv.conf.original
    nano /etc/resolv.conf

    Edit the file so that the only lines in the file are the following:

    search mydomain.local



    Make sure you can still ping google


    apt-get update
    apt-get dist-upgrade

    At this point I recommend imaging the sda1 partition using a utility like Ghost 4 Linux. This will allow you to return to this point in a few minutes in case the below fails (on an old laptop it was about 5 minutes to restore a 6GB partition). One error this doesn’t work and it's difficult to determine why.

    apt-get install slapd ldap-utils
    ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif
    ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif
    ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif

    12. You will need to modify the following to include your password and domain name.

    nano backend.ldif


    dn: cn=module,cn=config
    objectClass: olcModuleList
    cn: module
    olcModulepath: /usr/lib/ldap
    olcModuleload: back_hdb
    dn: olcDatabase=hdb,cn=config
    objectClass: olcDatabaseConfig
    objectClass: olcHdbConfig
    olcDatabase: {1}hdb
    olcSuffix: dc=mydomain,dc=local
    olcDbDirectory: /var/lib/ldap
    olcRootDN: cn=admin,dc=mydomain,dc=local
    olcRootPW: PassWD55
    olcDbConfig: set_cachesize 0 2097152 0
    olcDbConfig: set_lk_max_objects 1500
    olcDbConfig: set_lk_max_locks 1500
    olcDbConfig: set_lk_max_lockers 1500
    olcDbIndex: objectClass eq
    olcLastMod: TRUE
    olcDbCheckpoint: 512 30
    olcAccess: to attrs=userPassword by dn="cn=admin,dc=mydomain,dc=local" write by anonymous auth by self write by * none
    olcAccess: to attrs=shadowLastChange by self write by * read
    olcAccess: to dn.base="" by * read
    olcAccess: to * by dn="cn=admin,dc=mydomain,dc=local" write by * read

    ldapadd -Y EXTERNAL -H ldapi:/// -f backend.ldif

    13. Install Samba

    apt-get install samba samba-doc libpam-smbpass smbclient smbldap-tools

    Here is the smb.conf I use. The parts you need to edit are near the top. Where it shows “Workgroup”, use what you’ve been using for “
    mydomain”. For “Netbios Name”, use what you’ve been using for “myserver”. Also change the lines “LDAP Suffix and “LDAP Admin”. Specify a user to be Samba admin if you want. Leave “Logon Path” as is for roaming profiles, or change to “logon path =” for no roaming profiles.

    nano smb.conf

    #  Customize these entries as needed
    #  Replace with your domain name
    	workgroup = mydomain
    #  Replace with your server name
    	netbios name = myserver
    #  Replace "mydomain" with the workgroup name you're using
    	ldap suffix = dc=mydomain,dc=local
    	ldap admin dn = cn=admin,dc=mydomain,dc=local
    #  Roaming profiles enabled. Replace "myserver" to match your netbios name
    	logon path = \\myserver\profiles\%U\%a
    #  No roaming profiles, uncomment
    ;	logon path =
    #  Server Information
    	server string = SMB Server
    #  Specify global admin user, will have root in all shares
    ;	admin users = 
    #  PW Backend
    	obey pam restrictions = Yes
    	unix password sync = no
    	ldap passwd sync = yes
    	passdb backend = ldapsam:ldap://localhost
    	pam password change = Yes
    #  SMBLDAP Scripts
    	add user to group script = /usr/sbin/smbldap-groupmod -m '%u' '%g'
    	add user script = /usr/sbin/smbldap-useradd -m '%u'
    	add machine script = /usr/sbin/smbldap-useradd -w '%u'
    	add group script = /usr/sbin/smbldap-groupadd -p '%g'
    	delete group script = /usr/sbin/smbldap-groupdel '%g'
    	delete user script = /usr/sbin/smbldap-userdel %u
    	delete user from group script = /usr/sbin/smbldap-groupmod -x '%u' '%g'
    	set primary group script = /usr/sbin/smbldap-usermod -g '%g' '%u'
    #  LDAP Configuration
    	ldap ssl = no
    	ldap user suffix = ou=Users
    	ldap machine suffix = ou=Computers
    	ldap group suffix = ou=Groups
    	ldap idmap suffix = ou=Idmap
    #  Logon script located in netlogon share. Individual logon scripts uncomment
    	;logon script = %U.bat
    	logon script = allusers.bat
    #  Logging
    	max log size = 1000
    	syslog = 0
    	log file = /var/log/samba/log.%m
    #  Printing
    	printing = cups
    	printcap name = cups
    	load printers = yes
    # Domain Controller
    	domain master = Yes
    	domain logons = Yes
    	wins support = true
    	os level = 35
    	server signing = auto
    	server schannel = Auto
    	panic action = /usr/share/samba/panic-action %d
    	dns proxy = No
    ;	logon drive = H:
    ;	logon home = \\%N\%U
    # Allow file permissions change to group members
    	acl group control = yes
    # Inherit permissions from parent
    ; 	inherit acls = yes
    ; 	inherit owner = yes
    ;	map acl inherit = yes
    ; 	inherit permissions = yes
    # Do NOT inherit permissions from parent
    	inherit acls = no
    	inherit owner = no
    	map acl inherit = no
    	inherit permissions = no
    # Do not show files that are unreadable
    	hide unreadable = yes
       comment = All Printers
       path = /var/spool/samba
       browseable = no
    # to allow user 'guest account' to print.
       guest ok = yes
       writable = no
       printable = yes
       create mode = 0700
    	security mask = 0770
    	writeable = yes
    	path = /home/userhome
    	force security mode = 0
    	force directory security mode = 0
    	directory security mask = 0770
    	comment = Network Logon Service
    	writeable = yes
    	public = yes
    	path = /home/netlogon
    	browseable = no
    	printable = no
    	writable = yes
    	path = /home/profiles
    	store dos attributes = no
    	guest ok = no
    	comment = Users Profiles
    # fixes everyone having read
    	create mode = 0700
    	directory mode = 0700

    Once you modified the values type:

    cp /etc/samba/smb.conf /etc/samba/smb.conf.original
    cp -rf smb.conf /etc/samba/smb.conf

    Everytime you edit your smb.conf you should:
    testparm /etc/samba/smb.conf

    If you see an rlimit_max: error you can ignore it.

    smbpasswd -W

    Enter the same password you’ve been using for “PassWD55

    service smbd restart
    smbclient -L localhost

    Hit enter, do not type in password. This should show your server/workgroup information without error.

    mkdir -v -m 1777 /home/profiles
    mkdir -v -m 1777 /home/netlogon

    cp /usr/share/doc/samba-doc/examples/LDAP/samba.schema.gz /etc/ldap/schema/

    gzip -d /etc/ldap/schema/samba.schema.gz
    nano schema_convert.conf

    include /etc/ldap/schema/core.schema
    include /etc/ldap/schema/collective.schema
    include /etc/ldap/schema/corba.schema
    include /etc/ldap/schema/cosine.schema
    include /etc/ldap/schema/duaconf.schema
    include /etc/ldap/schema/dyngroup.schema
    include /etc/ldap/schema/inetorgperson.schema
    include /etc/ldap/schema/java.schema
    include /etc/ldap/schema/misc.schema
    include /etc/ldap/schema/nis.schema
    include /etc/ldap/schema/openldap.schema
    include /etc/ldap/schema/ppolicy.schema
    include /etc/ldap/schema/samba.schema

    mkdir /tmp/ldif_output

    All one line:

    slapcat -f schema_convert.conf -F /tmp/ldif_output -n0 -s "cn={12}samba,cn=schema,cn=config" > /tmp/schema_samba.ldif

    nano /tmp/schema_samba.ldif

    At the top, edit

    dn: cn{12}=samba,cn=schema,cn=config

    to show

    dn: cn=samba,cn=schema,cn=config


    cn: {12}samba

    to show

    cn: samba

    Delete the following from the end:

    structuralObjectClass: olcSchemaConfig
    entryUUID: b53b75ca-083f-102d-9fff-2f64fd123c95
    creatorsName: cn=config
    createTimestamp: 20080827045234Z
    entryCSN: 20080827045234.341425Z#000000#000#000000
    modifiersName: cn=config
    modifyTimestamp: 20080827045234Z

    ldapadd -Y EXTERNAL -H ldapi:/// -D cn=admin,cn=config -W -f /tmp/schema_samba.ldif

    Enter Password “PassWD55”, or the same one you’ve been using.

    nano samba_indexes.ldif

    dn: olcDatabase={1}hdb,cn=config
    changetype: modify
    add: olcDbIndex
    olcDbIndex: uidNumber eq
    olcDbIndex: gidNumber eq
    olcDbIndex: loginShell eq
    olcDbIndex: uid eq,pres,sub
    olcDbIndex: memberUid eq,pres,sub
    olcDbIndex: uniqueMember eq,pres
    olcDbIndex: sambaSID eq
    olcDbIndex: sambaPrimaryGroupSID eq
    olcDbIndex: sambaGroupType eq
    olcDbIndex: sambaSIDList eq
    olcDbIndex: sambaDomainName eq
    olcDbIndex: default sub

    ldapmodify -Y EXTERNAL -H ldapi:/// -D cn=admin,cn=config -W -f samba_indexes.ldif

    Enter Password “PassWD55”, or the same one you’ve been using.

    16. The following should execute without error:

    ldapsearch -Y EXTERNAL -H ldapi:/// -D cn=admin,cn=config -b cn=config -W olcDatabase={1}hdb

    Enter Password “PassWD55”, or the same one you’ve been using.
    Verify olcSuffix:, olcAccess:, olcAccess:, olcRootDN:, olcRootPW:.

    net getlocalsid

    Should run without error and look similar to
    SID for domain MYSERVER is: S-1-5-21-2159403287-619955039-1086301409

    gzip -d /usr/share/doc/smbldap-tools/
    perl /usr/share/doc/smbldap-tools/

    Here hit Enter at all times except:
    "Logon Home", put a “.” (period without quotes)
    "Logon Path", put a "."
    Default passwd validation time, I put 3650
    When prompted for password, use your password or “PassWD55”.



    Enter Password “PassWD55”, or the same one you’ve been using.

    18. Move the home directory so personal data doesn’t fill mix with the shared folders.

    mkdir -v /home/userhome
    cp /etc/smbldap-tools/smbldap.conf /etc/smbldap-tools/smbldap.conf.original
    nano /etc/smbldap-tools/smbldap.conf

    Locate and change to: userHome="/home/userhome/%U"


    /etc/init.d/slapd stop
    chown openldap:openldap /var/lib/ldap/*
    /etc/init.d/slapd start

    smbldap-groupmod -m 'root' 'Administrators'

    apt-get --yes install ldap-auth-client

    For LDAP server Uniform Resource Identifier, leave it as it is "ldapi:///"
    For Distinguished name of the search base, put"dc=mydomain,dc=local"
    For LDAP account for root, put"cn=admin,dc=mydomain,dc=local"
    When it asks for LDAP password use "PassWD55" or the pw you’ve been using.

    Use "dpkg-reconfigure ldap-auth-config"if you make a mistake.


    auth-client-config -t nss -p lac_ldap

    pam-auth-update ldap

    Make sure there’s an asterisk next to all listed.

    getent group

    Should show similar to:
    Domain Admins:*:512:root
    Domain Users:*:513:
    Domain Guests:*:514:
    Domain Computers:*:515:
    Account Operators:*:548:
    Print Operators:*:550:
    Backup Operators:*:551:


    21. See if it lives. Add a user:

    smbldap-useradd -a -m -P test
    smbldap-groupmod -m test 'Domain Admins'

    On a Windows 7 workstation, go to Control Panel> System> for Computer Name click Change Settings> Change> member of Domain, enter “mydomain” or the domain you’ve been using (ONLY the name of your domain, do not enter myserver.mydomain.local)> when prompted for username enter “root”, pw enter “PassWD55”, you may receive a DNS error, ignore it, click OK a few times then reboot Windows. Try to login as “Test”. Note: Sometimes after switching domains Windows will come up still configured to log into the local workstation. You may have to manually tell it to log into the domain.

    If you have a working domain, now would be a good time to image/backup the sda1 partition.

    22.Enable ACL for the home partition. This will allow for much more granularity and flexibility when setting file permissions.

    apt-get install acl
    cp /etc/fstab /etc/fstab.original
    nano /etc/fstab

    change the /home mount so it says "defaults,acl" instead of "defaults"


    Test it:

    mkdir -v /home/mp3
    setfacl -R -m u:test:rwx /home/mp3
    setfacl -R -d -m u:test:rwx /home/mp3

    getfacl /home/mp3

    Should show
    # file: home/mp3
    # owner: root
    # group: root

    You should now be able to modify file/folder properties using Windows Explorer. Right-click the file, Properties> Security> Advanced. Note that Windows and POSIX permissions do not map identically, but this configuration is still more flexible than stock.

    23. Add a logon script. The sample smb.conf is configured with one logon script for all users, to change to individual logon scripts change line to “logon script = %U.bat” in smb.conf. This script will also sync workstation time to the server. NOTE: For a user designated as “Admin Users =” in smb.conf, you have to manually set the owner of their profile directory to that username in order for roaming profiles to work, by default files created by the samba admin are owned by root which messes with Windows.

    nano /home/netlogon/allusers.bat

    Enter the following text, replace myserver with the name of your server:

    @echo off
    net time \\myserver /set /y

    REM # MAP Home Drives
    net use x: /delete
    net use x: \\myserver\Home\%username%

    Install flip to convert the file to something windows can use

    apt-get install flip
    flip -m /home/netlogon/allusers.bat


    24. As a sample, create a user “mp3user”, make an MP3 group, add the user to the group, make a folder for MP3s, set Linux permissions for the MP3 directory, add the MP3 Samba share, add a mapped drive in the login script.

    Create the user:

    smbldap-useradd -a -m -P mp3user

    Add user to 'Domain Admins'. Optional - this makes user local admin on windows:

    smbldap-groupmod -m mp3user 'Domain Admins'

    Create the group:

    smbldap-groupadd -a MP3

    Add mp3user to the group:

    smbldap-groupmod -m mp3user 'MP3'

    Make the MP3 directory (note if you did the test above you already made this directory)

    mkdir -v /home/mp3

    Set permissions so group MP3 can access the mp3 folder:

    setfacl -m g:MP3:rwx /home/mp3
    setfacl -d -m g:MP3:rwx /home/mp3

    The first adds the group MP3, the second adds it as a default group so new files inherit that permission.

    Create the Samba share, open the smb.conf:

    nano /etc/samba/smb.conf

    Paste the following at the bottom of smb.conf:

    writeable = yes
    inherit permissions = yes
    path = /home/mp3
    force directory mode = 770
    force create mode = 770
    valid users = @MP3

    Note that you can also configure Samba using the Samba module in Webmin.


    service smbd restart

    Add a map in the login script:

    nano /home/netlogon/allusers.bat

    Add the following:

    REM # MAP MP3 Drive
    net use m: /delete
    net use m: \\myserver\MP3


    flip -m /home/netlogon/allusers.bat

    You should now be able to log in as mp3user and have a writable M:\ drive.

    25. Other command line options:

    * smbldap-groupadd - add a new group
    * smbldap-groupdel - delete a group
    * smbldap-groupmod - modify a group, including adding or removing members
    * smbldap-groupshow - show the properties of a group, including members
    * smbldap-passwd - change a user password
    * smbldap-populate - populate LDAP database
    * smbldap-useradd - add a new user account
    * smbldap-userdel - delete a user account
    * smbldap-userlist - list users and machines
    * smbldap-usershow - show information for one user account
    * smbldap-usermod - modify the Unix and Samba properties of a user account (many properties)
    * smbldap-userinfo - modify gecos information in a user account (only a few properties)

    26. You can configure windows to use this server as a DNS, in fact this may be necessary on some workstations before you can join the domain. In Windows 7 go to Control Panel> Network and Sharing Center> for your Local Area Connection (or wireless connection), click View Status> Properties> Double-click Internet Protocol Version 4> Use the following DNS Server Addresses, enter the IP address of your server. Use ipconfig /all to verify your change. You should then be able to ping myserver.mydomain.local and have this return your server's IP address.

    27. To browse your LDAP tree you can use LDAP Admin. Make a new connection using the settings:

    Host: myserver
    Base: dc=mydomain,dc=local
    Username: cn=admin,dc=mydomain,dc=local
    You can also use PHPLDAPAdmin or the LDAP Server module in Webmin.

    28. Verify NTP is working

    ntpq -p

    Should show two servers, one with a * one with a +


    Should show correct time. You can compare with

    29. You can see this hotfix about the Windows 7 DNS error:
    The error will not affect anything except the error message itself.

    30. Users added to the 'Domain Admins' group will automatically receive local admin permissions on a Windows workstation. If you want the user to have only user level permissions then do not add the user to the 'Domain Admins' group.

    31. To always prompt for username and password at login instead of icons (and showing the last username logged in)
    Click Start> Run>Secpol.msc> Local Policies> Security Options> Interactive Login: Do Not Display Last Username> Enabled.

    32. You can backup your server config with Ghost 4 Linux. DL, burn, boot, hit Enter a few times until you can type in G4L. Select Raw Mode, Local Use. Select "Pick Drive" and pick the sda6 partition (the destination drive - your large partition if you made one), or your external drive. "Config Filename", type in a name. Select "Backup", pick the sda1 partition and let it roll. Should take less than 10 minutes and you'll have an image you can restore in case your server develops a problem.

  2. #2
    Join Date
    Mar 2007
    Denver, CO
    Ubuntu Mate 16.04 Xenial Xerus

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    Newbie to Domain Controllers Here: How would setting up a Domain Controller Help me?

  3. #3
    Join Date
    Jul 2009

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    You tut was incredibly easy to follow and use. I am setting up my first DNS/LDAP setup and had tried following a few other tuts, but they were all incorrect or incomplete. From empty vm to install was quick and painless thanks to you.


  4. #4
    Join Date
    Apr 2011

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    Last edited by otacon507; April 27th, 2011 at 08:39 AM.

  5. #5
    Join Date
    Apr 2011

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    I've tried this several times using a fresh install (in VMWare) of Ubuntu Lucid. Guide works very well, I can map drives using users I create with smbldap-useradd. However, I can't join a Windows 7 machine to the domain. I get an "Access is Denied" error in windows. Looking in my log files, I see the following in syslog:

    Apr 23 16:54:58 cloudgw slapd[842]: SASL [conn=1023] Failure: realm changed: authentication aborted
    Apr 23 16:54:59 cloudgw slapd[842]: SASL [conn=1024] Failure: realm changed: authentication aborted
    Apr 23 16:54:59 cloudgw slapd[842]: <= bdb_equality_candidates: (displayName) not indexed
    Apr 23 16:54:59 cloudgw slapd[842]: <= bdb_equality_candidates: (cn) not indexed

    I tried with XP also. I don't get the authentication realm messages, but I still get Access Denied, even though I can map a drive manually

    Does anyone know what the authentication realm messages mean?
    Last edited by asturgeon; April 24th, 2011 at 01:56 AM.

  6. #6
    Join Date
    May 2011

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    Ran into a slight snag at step 17. After "smbldap-populate"

    the command executed until it reached the UID, CN and sambaDomainName entries
    adding new entry: uid=root,ou=Users,dc=callisto,dc=local
    failed to add entry objectClass: value #4 invalid per syntax at /usr/sbin/smbldap-populate line 498, <GEN1> line 55.

    adding new entry: cn=Domain Admins,ou=Groups,dc=callisto,dc=local
    failed to add entry objectClass: value #2 invalid per syntax at /usr/sbin/smbldap-populate line 498, <GEN1> line 95.

    adding new entry: sambaDomainName=calisto,cd=callisto,dc=local
    failed to add entry : invalid DN at /usr/sbin/smbldap-populate line 498, <GEN1> line 236

    Please provide a password for the domain root:
    /usr/sbin/smbldap-passwd: user root doesn't exist.

    any thoughts on how to overcome the errors in adding uid root and nobody and beyond?

  7. #7
    Join Date
    May 2011

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    So I am working through the tutorial and I get this error when I try to add any of the schemas to ldap

    root@MCUSD25-PDC:/etc/ldap/schema# ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif
    SASL/EXTERNAL authentication started
    SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn =auth
    SASL SSF: 0
    adding new entry "cn=cosine,cn=schema,cn=config"
    ldap_add: Other (e.g., implementation specific) error (80)
    additional info: olcAttributeTypes: Duplicate attributeType: "0.9.2342.19200300.100.1.2"

    So what does this error mean? And how can I fix it? If you need more info let me know.
    If I go on in the tutorial I get to this command:

    root@MCUSD25-PDC:/etc/ldap/schema# smbclient -L localhost
    Enter root's password:
    session setup failed: NT_STATUS_LOGON_FAILURE

    As you can see this is failing also any help would be gladly accepted.

  8. #8
    Join Date
    May 2011

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    ok did some more research and the first error is not of importance as it just means the schema is already there and I am trying to write it again. so I still have the second error I am dealing with.

  9. #9
    Join Date
    Jun 2008

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    Here's an interesting little bit.

    I'm running VirtualBox for both the server and the Windows box.

    Both are on the same Internal Network.

    I can ping both by IP.

    I can ping none by name.

    From my Windows machine I can ping mydomain.local but not mydomain
    From my Windows machine I cannot ping myserver

    When I try to add the Win7 box to the domain, it tells me it can't find it.

    Any ideas?

  10. #10
    Join Date
    Feb 2007

    Re: Ubuntu 10.04 Samba Primary Domain Controller Tutorial

    You might want to check out the open source project called Resara.

    They used a fairly recent Samba4 (v14... I think latest is 15) and their features a pretty nice.

    Resara Features List

    They provide Source, a Vmware or VirtualBox VM image but they do have an Ubuntu 10.04 ppa Packages available for Ubuntu Lucid (10.04).

    To add this repository run

    1.apt-add-repository ppa:resaraserver/resaraserver

    Or add these lines to your /etc/apt/sources.list file.

    1.deb lucid main
    2.deb-src lucid main

    Once the repositories have been added, you'll want to update the package lists and install our packages. The package for the client admin tool is called "rdsconsole", and the server side components can be found in "rdsserver"

    1.apt-get update
    2.apt-get install rds rdsserver

    During this you will get prompted for DNS name etc for your domain (and bind9's use).

    You should also install the Web based GUI Admin console as it makes user/object management easier.

    1.apt-get install rdsconsole

    Installing is about as simple as installing any other application using Synaptic.

    If you want to see Samba4 working you can watch the's Demo video's

    Samba4 Demonstration Videos

    The Samba Team have put together a series of screencast videos demonstrating some of the capabilities of Samba4.

    Note that these videos are in the Ogg Theora format. If you want to view these videos on Windows, then you may find these instructions useful
    Demo1 : Joining Windows 7 to a Samba domain

    This video shows the initial provisioning of a Samba4 domain controller, then a domain join of a Windows7 client as a member of the domain. The Windows7 client is then used to manage the domain via the Active Directory Users and Computers tool

    Ogg video: Joining a domain
    Demo2 : Group Policy Management

    This video shows the setup of Group Policy Object (GPO) management of Windows clients with a Samba4 domain.

    Ogg video: Group Policies
    Demo3 : Roaming Profiles

    This video shows the setup of roaming profiles for Windows clients in a Samba4 domain.

    Ogg video: Roaming Profiles
    Demo4 : dcpromo

    This video shows joining a Windows2008R2 server as an additional domain controller in a Samba domain

    Ogg video: dcpromo

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