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Как присоединить систему Linux Debian 8 (Jessie) к домену Windows Active Directory
06.07.2016
13:45
Текстовые метки: linux, debian, domain, домен, active directory, windows server
Раздел: Компьютер - Linux - Сеть в Linux - Домен Windows Active Directory

Примечание 1: Эта статья написана практически на Simple English, так что понятна даже с минимальными знаниями английского. Все что здесь написано, действительно справедливо для Debian 8 (лично проверено).


Примечание 2: практика показывает, что раздел настройки Kerberos можно пропустить. Похоже, что Samba сама настроит конфиг Kerberos. Достаточно чтобы стоял пакет krb5-user.



This tutorial is going to show you how to join Debian 8 “Jessie” to existing Windows Server Domain Controller (Active Directory). When Debian is connected and joined to a Domain Controller, we can use the domain users and password to log in to Debian Jessie. There are couple things to do here. Before we go through, I assume the Domain Controller is up and running to provide user login capability to the network. I am using Windows Server 2012 R2 with Domain Controller enabled.


On this tutorial, I use the following domain controller settings:


  • Domain Name: GAMBLISFX
  • Realm Name: GAMBLISFX.CO.ID
  • Password Server: WINSERVER.GAMBLISFX.CO.ID (обычно совпадаем с именем сервера домена)


A. Install Samba and additional packages


In order to join a domain, Debian needs the following packages to be installed: ntp, samba smbclient samba-common winbind. Open Terminal, login as root and install those packages.


su

apt-get install samba smbclient samba-common winbind ntp libpam-krb5 krb5-user


B. Configure Samba and other settings


First we need to check if the time is correct. You may also add your server address that provide time update. Edit the file /etc/netp.conf if necessary. In my case I leave this as default.


/etc/init.d/ntp start

date

Check the hostname using “hostname -f” Make sure it returns fully qualified server host name. You can edit your host name on the /etc/hosts and /etc/hostname if needed.



Also make sure you can ping the hostname from other computer using the hostname



Edit Kerberos file in /etc/krb5.conf. Fill it with minimal configuration as follow. Change GAMBLISFX.CO.ID with your own setup.


[libdefaults]

default_realm = GAMBLISFX.CO.ID

dns_lookup_realm = false

dns_lookup_kdc = false

ticket_lifetime = 24h

renew_lifetime = 7d

forwardable = true

[realms]

GAMBLISFX.CO.ID = {

kdc = WINSERVER.GAMBLISFX.CO.ID

admin_server = WINSERVER.GAMBLISFX.CO.ID

}

[domain_realm]

.gamblisfx.co.id = GAMBLISFX.CO.ID

gamblisfx.co.id = GAMBLISFX.CO.ID

Clear any cache that exist with the following commands


kdestroy

klist

kinit fitria@GAMBLISFX.CO.ID

klist

Now Debian can get ticket from the AD domain successfully. Now we need to configure and join Debian system to the domain. We need to configure /etc/samba/smb.conf file.


The following are the content of my smb.conf file


workgroup = GAMBLISFX

realm = GAMBLISFX.CO.ID

security = ADS

password server = WINSERVER.GAMBLISFX.CO.ID

os level = 0

local master = No

domain master = No

template shell = /bin/bash

winbind enum users = Yes

winbind enum groups = Yes

winbind use default domain = Yes

idmap config GAMBLISFX:range = 10000000-19000000

idmap config GAMBLISFX:backend = rid

idmap config *:range = 11000-20000

idmap config * : backend = tdb


Now stop and restart the services below:


/etc/init.d/winbind stop

/etc/init.d/samba restart

/etc/init.d/winbind start


Now try to join domain with the following command and test if all working.


net join -S winserver -U administrator

/etc/init.d/winbind restart

net ads testjoin

net ads info

wbinfo -u

wbinfo -g



Now we need to setup authentication so domain users can use their password to login to Debian. Edit /etc/nsswitch.conf and add winbind to it.


# /etc/nsswitch.conf

#

# Example configuration of GNU Name Service Switch functionality.

# If you have the glibc-doc-reference' and info’ packages installed, try:

# `info libc “Name Service Switch”‘ for information about this file.

passwd: compat winbind

group: compat winbind

shadow: compat

gshadow: files

hosts: files myhostname mdns4_minimal [NOTFOUND=return] dns

networks: files


Now check and make sure your domain users and group are listed with the following commands


getent passwd

getent group



If you cannot see your Domain users listed, you may need to install the following packages:


apt-get install libnss-winbind libpam-winbind


Now all should be working. Finally, create a home directory once a Domain user log in to Debian


nano /etc/pam.d/common-session

session required pam_unix.so

session required pam_mkhomedir.so umask=0022 skel=/etc/skel


Next, try to login to Debian using Domain user and password. Enjoy



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