root@2004:~# cat /etc/os-release
NAME=”Ubuntu”
VERSION=”20.04 LTS (Focal Fossa)”
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME=”Ubuntu 20.04 LTS”
VERSION_ID=”20.04″
HOME_URL=”https://www.ubuntu.com/”
SUPPORT_URL=”https://help.ubuntu.com/”
BUG_REPORT_URL=”https://bugs.launchpad.net/ubuntu/”
PRIVACY_POLICY_URL=”https://www.ubuntu.com/legal/terms-and-policies/privacy-policy”
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
root@2004:~# samba -V
Version 4.11.6-Ubuntu
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\guest
TEST\krbtgt
TEST\administrator
TEST\chibi
root@2004:~# wbinfo – chibi
root@2004:~# wbinfo -n chibi
S-1-5-21-212194710-1998421792-903778468-1105 SID_USER (1)
root@2004:~# net ads info
LDAP server: 192.168.1.34
LDAP server name: dc2.test.jp
Realm: TEST.JP
Bind Path: dc=TEST,dc=JP
LDAP port: 389
Server time: 水, 13 5月 2020 16:35:41 JST
KDC server: 192.168.1.34
Server time offset: 0
Last machine account password change: 水, 13 5月 2020 16:34:48 JST
root@2004:~# host -4 dc
dc.test.jp has address 192.168.1.31
dc.test.jp has IPv6 address 2400:4052:46e0:b700:35fe:39b5:18f9:2353
root@2004:~# host -4 dc1
dc1.test.jp has address 192.168.1.33
dc1.test.jp has IPv6 address 2400:4052:46e0:b700:7955:6a8:f505:354c
root@2004:~# host -4 dc2
dc2.test.jp has address 192.168.1.34
dc2.test.jp has IPv6 address 2400:4052:46e0:b700:611b:b177:f897:2039
root@2004:~# host -t SRV _ldap._tcp.test.jp
_ldap._tcp.test.jp has SRV record 0 100 389 dc2.test.jp.
_ldap._tcp.test.jp has SRV record 0 100 389 dc.test.jp.
_ldap._tcp.test.jp has SRV record 0 100 389 dc1.test.jp.
root@2004:~# host -t SRV _kerberos._udp.test.jp
_kerberos._udp.test.jp has SRV record 0 100 88 dc1.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc2.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc.test.jp.
root@2004:~# host -t A test.jp
test.jp has address 192.168.1.33
test.jp has address 192.168.1.34
test.jp has address 192.168.1.31
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 //192.168.1.31/netlogon -Uadministrator
Ubuntu 20.04 LTS Samba4.11.6 Windows Server 2019 Datacenter Active Directory Domain のメンバーに参加してみた