Join in Active Directory Domain2015/05/31

	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 Domain Name : FD3S01 Realm : FD3S.SRV.WORLD Hostname : fd3s.srv.world
[1]	Install some required packages.

[root@dlp ~]#

dnf -y install realmd sssd oddjob oddjob-mkhomedir adcli samba-common-tools

[2]	Join in Windows Active Directory Domain.

# change DNS settings to refer to AD's one

[root@dlp ~]#

nmcli c modify eno16777736 ipv4.dns 10.0.0.100

[root@dlp ~]#

nmcli c down eno16777736; nmcli c up eno16777736

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

# discover Active Directory domain

[root@dlp ~]#

realm discover FD3S.SRV.WORLD

fd3s.srv.world
  type: kerberos
  realm-name: FD3S.SRV.WORLD
  domain-name: fd3s.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-tools

# join in Active Directory domain

[root@dlp ~]#

realm join FD3S.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=797801104(serverworld@fd3s.srv.world) gid=797800513(domain users@fd3s.srv.world) groups=797800513(domain users@fd3s.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@fd3s.srv.world.
[serverworld@fd3s.srv.world@dlp ~]$

[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=1313200500(administrator) gid=1313200513(domain users) groups=1313200513(domain users), 1313200512(domain admins),1313200519(enterprise admins),1313200520(group policy creator owners), 1313200572(denied rodc password replication group),1313200518(schema admins)

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