Linuxとはな

[root@Tiger ~]# kinit administrator
Password for administrator@TEST.JP:
[root@Tiger ~]# net ads join -U administrator
Enter administrator’s password:
Using short domain name — TEST
Joined ‘TIGER’ to dns domain ‘test.jp’
No DNS domain configured for tiger. Unable to perform DNS Update.
DNS update failed: NT_STATUS_INVALID_PARAMETER
[root@Tiger ~]# systemctl restart winbind
[root@Tiger ~]# wbinfo -u
TEST\administrator
TEST\guest
TEST\krbtgt
TEST\chibi
[root@Tiger ~]# wbinfo -n chibi
S-1-5-21-531816203-730215079-1526157293-1103 SID_USER (1)
[root@Tiger ~]# net ads info
LDAP server: 192.168.1.24
LDAP server name: dc.test.jp
Realm: TEST.JP
Bind Path: dc=TEST,dc=JP
LDAP port: 389
Server time: 木, 17 12月 2020 02:12:44 JST
KDC server: 192.168.1.24
Server time offset: -4
Last machine account password change: 木, 17 12月 2020 02:11:54 JST
[root@Tiger ~]# host -4 dc
dc.test.jp has address 192.168.1.34
dc.test.jp has address 192.168.1.24
dc.test.jp has IPv6 address 2400:4052:46e0:b700:d466:3785:c19d:a359
[root@Tiger ~]# host -4 dc1
dc1.test.jp has address 192.168.1.42
[root@Tiger ~]# host -4 dc2
dc2.test.jp has address 192.168.1.143
[root@Tiger ~]# cat /etc/krb5.conf
[libdefaults]
default_realm = TEST.JP
dns_lookup_realm = false
dns_lookup_kdc = true
[realms]
TEST.JP = {
Kdc = tiger
}

[domain_realm]
test.jp = TEST.JP
.test.jp = TEST.JP
[root@Tiger ~]# 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@Tiger ~]# 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@Tiger ~]# host -t A test.jp
;; connection timed out; no servers could be reached
[root@Tiger ~]# host -t A dc.test.jp
dc.test.jp has address 192.168.1.24
dc.test.jp has address 192.168.1.34
[root@Tiger ~]# host -t A dc1.test.jp
dc1.test.jp has address 192.168.1.42
[root@Tiger ~]# host -t A dc2.test.jp
dc2.test.jp has address 192.168.1.143
[root@Tiger ~]# cat /etc/redhat-release
CentOS Linux release 8.3.2011
[root@Tiger ~]# smbd -V
Version 4.12.3
[root@Tiger ~]# smbclient //192.168.1.24/netlogon -Uadministrator
CentOS Linux release 8.3.2011 Samba 4.12.3 AMD EPYC 7302Pで構築したWindows Server 2019 Datacenter Active Directory Domainのメンバーに参加してみた