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Old 05-15-2013, 02:25 AM   #1
rvsvenkat
LQ Newbie
 
Registered: May 2013
Posts: 2

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How to attach Linux Centos 6.5 to a Windows 2003 AD


Hi,

I am struggling to attach Linux Centos 6.5 to a Windows 2003 AD. Can anyone help me in this regard.

regards
Venkat
 
Old 05-15-2013, 02:29 AM   #2
asifbasha
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Registered: Feb 2009
Posts: 98

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More details is required for your query , what kind of authentication protocol you have used in centos either ldap or winbind ...what you actually want to do with ?
 
Old 05-15-2013, 02:38 AM   #3
rvsvenkat
LQ Newbie
 
Registered: May 2013
Posts: 2

Original Poster
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Hi,

I am using winbind.

my krb5.conf

[logging]
default = FILE:/var/log/krb5libs.log
kdc = FILE:/var/log/krb5kdc.log
admin_server = FILE:/var/log/kadmind.log

[libdefaults]
default_realm = PBS.LOCAL
dns_lookup_kdc = false
dns_lookup_realm = false

[realms]
PBS.LOCAL = {
default_domain = pbs-srv.pbs.local
; kdc = 192.168.1.15:
; kdc = pbs-srv.pbs.local
admin_server = 192.168.1.15:
kdc = pbs-srv.pbs.local
}

[domain_realm]
.pbs.local = PBS-SRV.PBS.LOCAL


my smb.conf

[global]
#--authconfig--start-line--

# Generated by authconfig on 2013/05/14 20:50:59
# DO NOT EDIT THIS SECTION (delimited by --start-line--/--end-line--)
# Any modification may be deleted or altered by authconfig in future

workgroup = PBS.LOCAL
password server = pbs-srv.pbs.local
realm = PBS.LOCAL
security = ads
idmap config * : range = 16777216-33554431
template homedir = /home/%D/%U
template shell = /bin/bash
winbind use default domain = true
winbind offline logon = true
log file = /var/log/samba/log.%m
load printers = yes
restrict anonymous = 2
client ntlmv2 auth = yes
client use spnego = yes
winbind trusted domains only = yes
encrypt passwords = yes
netbios name = PBS-SRV
cups options = raw
server string = rvs test
os level = 20
max log size = 50

# ----------------------- Network Related Options -------------------------
#
# workgroup = NT-Domain-Name or Workgroup-Name, eg: MIDEARTH
#
# server string is the equivalent of the NT Description field
#
# netbios name can be used to specify a server name not tied to the hostname
#
# Interfaces lets you configure Samba to use multiple interfaces
# If you have multiple network interfaces then you can list the ones
# you want to listen on (never omit localhost)
#
# Hosts Allow/Hosts Deny lets you restrict who can connect, and you can
# specifiy it as a per share option as well
#
; workgroup = MYGROUP


; interfaces = lo eth0 192.168.12.2/24 192.168.13.2/24
; hosts allow = 127. 192.168.12. 192.168.13.

# --------------------------- Logging Options -----------------------------
#
# Log File let you specify where to put logs and how to split them up.
#
# Max Log Size let you specify the max size log files should reach

# logs split per machine
# max 50KB per log file, then rotate

# ----------------------- Standalone Server Options ------------------------
#
# Scurity can be set to user, share(deprecated) or server(deprecated)
#
# Backend to store user information in. New installations should
# use either tdbsam or ldapsam. smbpasswd is available for backwards
# compatibility. tdbsam requires no further configuration.

; security = user


# ----------------------- Domain Members Options ------------------------
#
# Security must be set to domain or ads
#
# Use the realm option only with security = ads
# Specifies the Active Directory realm the host is part of
#
# Backend to store user information in. New installations should
# use either tdbsam or ldapsam. smbpasswd is available for backwards
# compatibility. tdbsam requires no further configuration.
#
# Use password server option only with security = server or if you can't
# use the DNS to locate Domain Controllers
# The argument list may include:
# password server = My_PDC_Name [My_BDC_Name] [My_Next_BDC_Name]
# or to auto-locate the domain controller/s
# password server = *


; security = domain
; passdb backend = tdbsam
; realm = MY_REALM

; password server = <NT-Server-Name>

# ----------------------- Domain Controller Options ------------------------
#
# Security must be set to user for domain controllers
#
# Backend to store user information in. New installations should
# use either tdbsam or ldapsam. smbpasswd is available for backwards
# compatibility. tdbsam requires no further configuration.
#
# Domain Master specifies Samba to be the Domain Master Browser. This
# allows Samba to collate browse lists between subnets. Don't use this
# if you already have a Windows NT domain controller doing this job
#
# Domain Logons let Samba be a domain logon server for Windows workstations.
#
# Logon Scrpit let yuou specify a script to be run at login time on the client
# You need to provide it in a share called NETLOGON
#
# Logon Path let you specify where user profiles are stored (UNC path)
#
# Various scripts can be used on a domain controller or stand-alone
# machine to add or delete corresponding unix accounts
#
; security = user
; passdb backend = tdbsam

; domain master = yes
; domain logons = yes

# the login script name depends on the machine name
; logon script = %m.bat
# the login script name depends on the unix user used
; logon script = %u.bat
; logon path = \\%L\Profiles\%u
# disables profiles support by specifing an empty path
; logon path =

; add user script = /usr/sbin/useradd "%u" -n -g users
; add group script = /usr/sbin/groupadd "%g"
; add machine script = /usr/sbin/useradd -n -c "Workstation (%u)" -M -d /nohome -s /bin/false "%u"
; delete user script = /usr/sbin/userdel "%u"
; delete user from group script = /usr/sbin/userdel "%u" "%g"
; delete group script = /usr/sbin/groupdel "%g"


# ----------------------- Browser Control Options ----------------------------
#
# set local master to no if you don't want Samba to become a master
# browser on your network. Otherwise the normal election rules apply
#
# OS Level determines the precedence of this server in master browser
# elections. The default value should be reasonable
#
# Preferred Master causes Samba to force a local browser election on startup
# and gives it a slightly higher chance of winning the election
; local master = no
; os level = 33
; preferred master = yes

#----------------------------- Name Resolution -------------------------------
# Windows Internet Name Serving Support Section:
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
#
# - WINS Support: Tells the NMBD component of Samba to enable it's WINS Server
#
# - WINS Server: Tells the NMBD components of Samba to be a WINS Client
#
# - WINS Proxy: Tells Samba to answer name resolution queries on
# behalf of a non WINS capable client, for this to work there must be
# at least one WINS Server on the network. The default is NO.
#
# DNS Proxy - tells Samba whether or not to try to resolve NetBIOS names
# via DNS nslookups.

; wins support = yes
; wins server = w.x.y.z
; wins proxy = yes

; dns proxy = yes

# --------------------------- Printing Options -----------------------------
#
# Load Printers let you load automatically the list of printers rather
# than setting them up individually
#
# Cups Options let you pass the cups libs custom options, setting it to raw
# for example will let you use drivers on your Windows clients
#
# Printcap Name let you specify an alternative printcap file
#
# You can choose a non default printing system using the Printing option


; printcap name = /etc/printcap
#obtain list of printers automatically on SystemV
; printcap name = lpstat
; printing = cups

# --------------------------- Filesystem Options ---------------------------
#
# The following options can be uncommented if the filesystem supports
# Extended Attributes and they are enabled (usually by the mount option
# user_xattr). Thess options will let the admin store the DOS attributes
# in an EA and make samba not mess with the permission bits.
#
# Note: these options can also be set just per share, setting them in global
# makes them the default for all shares

; map archive = no
; map hidden = no
; map read only = no
; map system = no
; store dos attributes = yes


#============================ Share Definitions ==============================

[homes]
comment = Home Directories
browseable = no
writable = yes
valid users = %S
valid users = MYDOMAIN\%S

[printers]
comment = All Printers
path = /var/spool/samba
browseable = no
guest ok = no
writable = no
printable = yes

# Un-comment the following and create the netlogon directory for Domain Logons
; [netlogon]
; comment = Network Logon Service
; path = /var/lib/samba/netlogon
; guest ok = yes
; writable = no
; share modes = no


# Un-comment the following to provide a specific roving profile share
# the default is to use the user's home directory
; [Profiles]
; path = /var/lib/samba/profiles
; browseable = no
; guest ok = yes


# A publicly accessible directory, but read only, except for people in
# the "staff" group
; [public]
; comment = Public Stuff
; path = /home/samba
; public = yes
; writable = yes
; printable = no
; write list = +staff

when i test with net ads info
LDAP server: 192.168.1.15
LDAP server name: PBS-SRV.pbs.local
Realm: PBS.LOCAL
Bind Path: dc=PBS,dc=LOCAL
LDAP port: 389
Server time: Thu, 16 May 2013 02:10:35 IST
KDC server: 192.168.1.15
Server time offset: 44998

kinit venkat(user name), i get the following error
kinit: Clock skew too great while getting initial credentials

Net join
net join -U venkat
Enter venkat's password:
Failed to join domain: failed to find DC for domain PBS.LOCAL
ADS join did not work, falling back to RPC...
Unable to find a suitable server for domain PBS.LOCAL
Unable to find a suitable server for domain PBS.LOCAL



regards
Venkat

Last edited by rvsvenkat; 05-15-2013 at 03:13 AM. Reason: More information
 
  


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