Join in Windows Active Directory2014/12/24

Join in Windows Active Directory Domain.

This tutorial needs Windows Active Directory Domain Service in your LAN.
This example shows to configure on the environment below.

Domain Server	: Windows Server 2012 R2
NetBIOS Name	: FD3S01
Domain Name	: srv.world
Realm	: SRV.WORLD
Hostname	: fd3s.srv.world

[1]

Install some required packages.

[root@dlp ~]#

yum -y install realmd sssd oddjob oddjob-mkhomedir adcli samba-common samba-common-tools krb5-workstation

[2]	Join in Windows Active Directory Domain.

# change the DNS to AD's one

[root@dlp ~]#

nmcli c modify ens3 ipv4.dns 10.0.0.100

[root@dlp ~]#

nmcli c down ens3; nmcli c up ens3

Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1)

# discover Active Directory domain

[root@dlp ~]#

realm discover SRV.WORLD

srv.world
  type: kerberos
  realm-name: SRV.WORLD
  domain-name: srv.world
  configured: no
  server-software: active-directory
  client-software: sssd
  required-package: oddjob
  required-package: oddjob-mkhomedir
  required-package: sssd
  required-package: adcli
  required-package: samba-common

# join in Active Directory domain

[root@dlp ~]#

realm join SRV.WORLD

Password for Administrator:

# AD's Administrator password

# make sure it's possible to get an AD user info or not

[root@dlp ~]#

id FD3S01\\Serverworld

uid=406801001(serverworld@srv.world) gid=406800513(domain users@srv.world) groups=406800513(domain users@srv.world)

# make sure it's possible to switch to an AD user or not

[root@dlp ~]#

su - FD3S01\\Serverworld

Creating home directory for serverworld@srv.world.
[serverworld@srv.world@dlp ~]$

# just switched

[3]	If you'd like to omit domain name for AD user, configure like follows.

[root@dlp ~]#

vi /etc/sssd/sssd.conf

# line 16: change

use_fully_qualified_names =

False

[root@dlp ~]#

systemctl restart sssd

[root@dlp ~]#

id Administrator

uid=406800500(administrator) gid=406800513(domain users) groups=406800513(domain users),
406800572(denied rodc password replication group),406800518(schema admins),
406800520(group policy creator owners),406800512(domain admins),406800519(enterprise admins)

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