root@2004:~# kinit aministrator
kinit: Client ‘aministrator@TEST.JP’ not found in Kerberos database while getting initial credentials
root@2004:~# kinit administrator
Password for administrator@TEST.JP:
root@2004:~# net ads join -U administrator
Enter administrator’s password:
Using short domain name — TEST
Joined ‘2004’ to dns domain ‘test.jp’
No DNS domain configured for 2004. Unable to perform DNS Update.
DNS update failed: NT_STATUS_INVALID_PARAMETER
root@2004:~# systemctl restart winbind
root@2004:~# wbinfo -u
TEST\administrator
TEST\guest
TEST\defaultaccount
TEST\krbtgt
TEST\chibi
root@2004:~# wbinfo -n chibi
S-1-5-21-3333442807-1512863489-1031104607-1105 SID_USER (1)
root@2004:~# net ads info
LDAP server: 192.168.1.37
LDAP server name: dc.test.jp
Realm: TEST.JP
Bind Path: dc=TEST,dc=JP
LDAP port: 389
Server time: 火, 21 4月 2020 05:21:30 JST
KDC server: 192.168.1.37
Server time offset: 0
Last machine account password change: 火, 21 4月 2020 05:20:48 JST
root@2004:~# host -4 dc
dc.test.jp has address 192.168.1.37
root@2004:~# host -4 dc1
dc1.test.jp has address 192.168.1.38
root@2004:~# host -t SRV _ldap._tcp.test.jp
_ldap._tcp.test.jp has SRV record 0 100 389 dc1.test.jp.
_ldap._tcp.test.jp has SRV record 0 100 389 dc.test.jp.
root@2004:~# host -t SRV _kerberos._udp.test.jp
_kerberos._udp.test.jp has SRV record 0 100 88 dc.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc1.test.jp.
root@2004:~# host -t A dc.test.jp
dc.test.jp has address 192.168.1.37
root@2004:~# host -t A dc1.test.jp
dc1.test.jp has address 192.168.1.38
root@2004:~# host -t A test.jp
test.jp has address 192.168.1.37
test.jp has address 192.168.1.38
root@2004:~# smbclient -L localhost -U%
Sharename Type Comment
——— —- ——-
netlogon Disk
sysvol Disk
print$ Disk Printer Drivers
IPC$ IPC IPC Service (Samba 4.11.6-Ubuntu)
SMB1 disabled — no workgroup available
root@2004:~# smbclient //192.168.1.37/netlogon -Uadministrator
DC 2台 Ubuntu 20.04 LTS Samba4.11.6 Windows Server 2016 Datacenter Active Directory Domain のメンバーに参加してみた