Void Server como Domain Control
O objetivo nesse tutorial é subir um Controlador de Domínio Primário no Void Linux (glibc) compilando o Samba4 a partir do código fonte, configurando DNS interno, Kerberos, integração AD, ACLs, serviços e toda a pilha necessária para controlar os clientes da rede, com uma floresta de nível 2016.
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Por: Eduardo Charquero em 07/12/2025 | Blog: https://www.instagram.com/educharquero/
Troubleshooting da instalação/configuração
Agora iremos validar importantes serviços do PDC como DNS, SMB, Winbind e Kerberos:
# ps aux | grep samba
Resultado recebido:
root 28030 0.0 0.0 2392 1388 ? Ss 01:14 0:00 runsv samba-ad-dc
root 28031 0.0 0.0 2540 1376 ? S 01:14 0:00 svlogd -tt /var/log/samba-ad-dc
root 28032 0.1 3.3 129656 66884 ? S 01:14 0:04 samba: root process
. root 28033 0.0 1.6 129152 33728 ? S 01:14 0:00 samba: tfork waiter process(28034)
root 28034 0.0 3.3 133112 67156 ? Ss 01:14 0:00 /opt/samba/sbin/smbd -D --option=server role check:inhibit=yes --foreground
root 28038 0.0 1.6 129152 33432 ? S 01:14 0:00 samba: tfork waiter process(28039)
root 28039 0.0 3.1 127588 63240 ? Ss 01:14 0:00 /opt/samba/sbin/winbindd -D --option=server role check:inhibit=yes --foreground
root 28180 0.0 0.1 6696 2556 pts/0 S+ 02:10 0:00 grep samba
# samba-tool user show administrator
Resultado recebido:
dn: CN=Administrator,CN=Users,DC=educatux,DC=edu
objectClass: top
objectClass: person
objectClass: organizationalPerson
objectClass: user
cn: Administrator
description: Built-in account for administering the computer/domain
instanceType: 4
whenCreated: 20251127040618.0Z
uSNCreated: 3889
name: Administrator
objectGUID: 732e3aed-f232-427d-9377-5bf7bc79cd8e
userAccountControl: 512
badPwdCount: 0
codePage: 0
countryCode: 0
badPasswordTime: 0
lastLogoff: 0
pwdLastSet: 134086899781242602
primaryGroupID: 513
objectSid: S-1-5-21-294413610-3908852046-3961109876-500
adminCount: 1
accountExpires: 9223372036854775807
sAMAccountName: Administrator
sAMAccountType: 805306368
objectCategory: CN=Person,CN=Schema,CN=Configuration,DC=educatux,DC=edu
isCriticalSystemObject: TRUE
memberOf: CN=Domain Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Schema Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Enterprise Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Group Policy Creator Owners,CN=Users,DC=educatux,DC=edu
memberOf: CN=Administrators,CN=Builtin,DC=educatux,DC=edu
lastLogonTimestamp: 134086916533352620
whenChanged: 20251127043413.0Z
uSNChanged: 4307
lastLogon: 134086917409338150
logonCount: 5
distinguishedName: CN=Administrator,CN=Users,DC=educatux,DC=edu
# wbinfo -u
Resultado recebido:
EDUCATUX\administrator
EDUCATUX\guest
EDUCATUX\krbtgt
# wbinfo -g
Resultado recebido:
EDUCATUX\administrator
EDUCATUX\guest
EDUCATUX\krbtgt
# wbinfo -g
EDUCATUX\cert publishers
EDUCATUX\ras and ias servers
EDUCATUX\allowed rodc password replication group
EDUCATUX\denied rodc password replication group
EDUCATUX\dnsadmins
EDUCATUX\enterprise read-only domain controllers
EDUCATUX\domain admins
EDUCATUX\domain users
EDUCATUX\domain guests
EDUCATUX\domain computers
EDUCATUX\domain controllers
EDUCATUX\schema admins
EDUCATUX\enterprise admins
EDUCATUX\group policy creator owners
EDUCATUX\read-only domain controllers
EDUCATUX\protected users
EDUCATUX\dnsupdateproxy
# getent group "Domain Admins"
Resultado recebido:
EDUCATUX\domain admins:x:3000004:
# smbclient -L localhost -U Administrator
Resultado recebido:
Password for [EDUCATUX\Administrator]:
Sharename Type Comment
--------- ---- -------
sysvol Disk
netlogon Disk
IPC$ IPC IPC Service (Samba 4.23.3)
SMB1 disabled -- no workgroup available
# samba-tool dns zonelist localhost -U administrator
Resultado recebido:
Password for [EDUCATUX\administrator]:
2 zone(s) found
pszZoneName : educatux.edu
Flags : DNS_RPC_ZONE_DSINTEGRATED DNS_RPC_ZONE_UPDATE_SECURE
ZoneType : DNS_ZONE_TYPE_PRIMARY
Version : 50
dwDpFlags : DNS_DP_AUTOCREATED DNS_DP_DOMAIN_DEFAULT DNS_DP_ENLISTED
pszDpFqdn : DomainDnsZones.educatux.edu
pszZoneName : _msdcs.educatux.edu
Flags : DNS_RPC_ZONE_DSINTEGRATED DNS_RPC_ZONE_UPDATE_SECURE
ZoneType : DNS_ZONE_TYPE_PRIMARY
Version : 50
dwDpFlags : DNS_DP_AUTOCREATED DNS_DP_FOREST_DEFAULT DNS_DP_ENLISTED
pszDpFqdn : ForestDnsZones.educatux.edu
# samba-tool user show administrator
Resultado recebido:
dn: CN=Administrator,CN=Users,DC=educatux,DC=edu
objectClass: top
objectClass: person
objectClass: organizationalPerson
objectClass: user
cn: Administrator
description: Built-in account for administering the computer/domain
instanceType: 4
whenCreated: 20251127040618.0Z
uSNCreated: 3889
name: Administrator
objectGUID: 732e3aed-f232-427d-9377-5bf7bc79cd8e
userAccountControl: 512
badPwdCount: 0
codePage: 0
countryCode: 0
badPasswordTime: 0
lastLogoff: 0
pwdLastSet: 134086899781242602
primaryGroupID: 513
objectSid: S-1-5-21-294413610-3908852046-3961109876-500
adminCount: 1
accountExpires: 9223372036854775807
sAMAccountName: Administrator
sAMAccountType: 805306368
objectCategory: CN=Person,CN=Schema,CN=Configuration,DC=educatux,DC=edu
isCriticalSystemObject: TRUE
memberOf: CN=Domain Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Schema Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Enterprise Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Group Policy Creator Owners,CN=Users,DC=educatux,DC=edu
memberOf: CN=Administrators,CN=Builtin,DC=educatux,DC=edu
lastLogonTimestamp: 134086916533352620
whenChanged: 20251127043413.0Z
uSNChanged: 4307
lastLogon: 134086917409338150
logonCount: 5
distinguishedName: CN=Administrator,CN=Users,DC=educatux,DC=edu
# samba-tool domain passwordsettings set --history-length=0
# samba-tool domain passwordsettings set --min-pwd-length=0
# samba-tool domain passwordsettings set --min-pwd-age=0
# samba-tool user setexpiry Administrator --noexpiry
Reler as configurações do Samba4:
# smbcontrol all reload-config
# klist
Resultado recebido:
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: Administrator@EDUCATUX.EDU
Valid starting Expires Service principal
27/11/2025 02:22:52 27/11/2025 12:22:52 krbtgt/EDUCATUX.EDU@EDUCATUX.EDU
renew until 28/11/2025 02:22:47
# samba-tool dns query voiddc01 educatux.edu @ A -U Administrator
Resultado recebido:
Password for [EDUCATUX\Administrator]:
Name=, Records=1, Children=0
A: 192.168.70.250 (flags=600000f0, serial=1, ttl=900)
Name=_msdcs, Records=0, Children=0
Name=_sites, Records=0, Children=1
Name=_tcp, Records=0, Children=4
Name=_udp, Records=0, Children=2
Name=DomainDnsZones, Records=0, Children=2
Name=ForestDnsZones, Records=0, Children=2
Name=voiddc01, Records=1, Children=0
A: 192.168.70.250 (flags=f0, serial=1, ttl=900)
# drill google.com @192.168.70.250
Resultado obtido:
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 50285
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; google.com. IN A
;; ANSWER SECTION:
google.com. 300 IN A 172.217.30.142
;; AUTHORITY SECTION:
;; ADDITIONAL SECTION:
;; Query time: 224 msec
;; EDNS: version 0; flags: ; udp: 1232
;; SERVER: 192.168.70.250
;; WHEN: Thu Nov 27 02:30:42 2025
;; MSG SIZE rcvd: 55
# samba_dnsupdate --verbose
IPs: ['192.168.70.250']
Looking for DNS entry A voiddc01.educatux.edu 192.168.70.250 as voiddc01.educatux.edu.
Looking for DNS entry CNAME a9126dd4-c5ad-46b4-b91b-6ae91313e3b8._msdcs.educatux.edu
voiddc01.educatux.edu as a9126dd4-c5ad-46b4-b91b-6ae91313e3b8._msdcs.educatux.edu.
Looking for DNS entry NS educatux.edu voiddc01.educatux.edu as educatux.edu.
Looking for DNS entry NS _msdcs.educatux.edu voiddc01.educatux.edu as _msdcs.educatux.edu.
Looking for DNS entry A educatux.edu 192.168.70.250 as educatux.edu.
Looking for DNS entry SRV _ldap._tcp.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.dc._msdcs.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.f5cccdab-a9d9-4b1f-9344-d2affb3c9855.domains._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.f5cccdab-a9d9-4b1f-9344-d2affb3c9855.domains._msdcs.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.f5cccdab-a9d9-4b1f-9344-d2affb3c9855.domains._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _kerberos._tcp.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kerberos._udp.educatux.edu voiddc01.educatux.edu 88 as _kerberos._udp.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._udp.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kerberos._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.dc._msdcs.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kpasswd._tcp.educatux.edu voiddc01.educatux.edu 464 as _kpasswd._tcp.educatux.edu.
Checking 0 100 464 voiddc01.educatux.edu. against SRV _kpasswd._tcp.educatux.edu voiddc01.educatux.edu 464
Looking for DNS entry SRV _kpasswd._udp.educatux.edu voiddc01.educatux.edu 464 as _kpasswd._udp.educatux.edu.
Checking 0 100 464 voiddc01.educatux.edu. against SRV _kpasswd._udp.educatux.edu voiddc01.educatux.edu 464
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.educatux.edu. Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu. Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _kerberos._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.Default-First-Site-Name._sites.educatux.edu. Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _ldap._tcp.pdc._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.pdc._msdcs.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.pdc._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry A gc._msdcs.educatux.edu 192.168.70.250 as gc._msdcs.educatux.edu. Looking for DNS entry SRV _gc._tcp.educatux.edu voiddc01.educatux.edu 3268 as _gc._tcp.educatux.edu.
Checking 0 100 3268 voiddc01.educatux.edu. against SRV _gc._tcp.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry SRV _ldap._tcp.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268 as _ldap._tcp.gc._msdcs.educatux.edu.
Checking 0 100 3268 voiddc01.educatux.edu. against SRV _ldap._tcp.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry SRV _gc._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 3268 as _gc._tcp.Default-First-Site-Name._sites.educatux.edu. Checking 0 100 3268 voiddc01.educatux.edu. against SRV _gc._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268 as _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.educatux.edu. Checking 0 100 3268 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry A DomainDnsZones.educatux.edu 192.168.70.250 as DomainDnsZones.educatux.edu.
Looking for DNS entry SRV _ldap._tcp.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.DomainDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389 Looking for DNS entry A ForestDnsZones.educatux.edu 192.168.70.250 as ForestDnsZones.educatux.edu.
Looking for DNS entry SRV _ldap._tcp.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.ForestDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389
No DNS updates needed
# ps aux | grep samba
Resultado recebido:
root 28030 0.0 0.0 2392 1388 ? Ss 01:14 0:00 runsv samba-ad-dc
root 28031 0.0 0.0 2540 1376 ? S 01:14 0:00 svlogd -tt /var/log/samba-ad-dc
root 28032 0.1 3.3 129656 66884 ? S 01:14 0:04 samba: root process
. root 28033 0.0 1.6 129152 33728 ? S 01:14 0:00 samba: tfork waiter process(28034)
root 28034 0.0 3.3 133112 67156 ? Ss 01:14 0:00 /opt/samba/sbin/smbd -D --option=server role check:inhibit=yes --foreground
root 28038 0.0 1.6 129152 33432 ? S 01:14 0:00 samba: tfork waiter process(28039)
root 28039 0.0 3.1 127588 63240 ? Ss 01:14 0:00 /opt/samba/sbin/winbindd -D --option=server role check:inhibit=yes --foreground
root 28180 0.0 0.1 6696 2556 pts/0 S+ 02:10 0:00 grep samba
# samba-tool user show administrator
Resultado recebido:
dn: CN=Administrator,CN=Users,DC=educatux,DC=edu
objectClass: top
objectClass: person
objectClass: organizationalPerson
objectClass: user
cn: Administrator
description: Built-in account for administering the computer/domain
instanceType: 4
whenCreated: 20251127040618.0Z
uSNCreated: 3889
name: Administrator
objectGUID: 732e3aed-f232-427d-9377-5bf7bc79cd8e
userAccountControl: 512
badPwdCount: 0
codePage: 0
countryCode: 0
badPasswordTime: 0
lastLogoff: 0
pwdLastSet: 134086899781242602
primaryGroupID: 513
objectSid: S-1-5-21-294413610-3908852046-3961109876-500
adminCount: 1
accountExpires: 9223372036854775807
sAMAccountName: Administrator
sAMAccountType: 805306368
objectCategory: CN=Person,CN=Schema,CN=Configuration,DC=educatux,DC=edu
isCriticalSystemObject: TRUE
memberOf: CN=Domain Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Schema Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Enterprise Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Group Policy Creator Owners,CN=Users,DC=educatux,DC=edu
memberOf: CN=Administrators,CN=Builtin,DC=educatux,DC=edu
lastLogonTimestamp: 134086916533352620
whenChanged: 20251127043413.0Z
uSNChanged: 4307
lastLogon: 134086917409338150
logonCount: 5
distinguishedName: CN=Administrator,CN=Users,DC=educatux,DC=edu
# wbinfo -u
Resultado recebido:
EDUCATUX\administrator
EDUCATUX\guest
EDUCATUX\krbtgt
# wbinfo -g
Resultado recebido:
EDUCATUX\administrator
EDUCATUX\guest
EDUCATUX\krbtgt
# wbinfo -g
EDUCATUX\cert publishers
EDUCATUX\ras and ias servers
EDUCATUX\allowed rodc password replication group
EDUCATUX\denied rodc password replication group
EDUCATUX\dnsadmins
EDUCATUX\enterprise read-only domain controllers
EDUCATUX\domain admins
EDUCATUX\domain users
EDUCATUX\domain guests
EDUCATUX\domain computers
EDUCATUX\domain controllers
EDUCATUX\schema admins
EDUCATUX\enterprise admins
EDUCATUX\group policy creator owners
EDUCATUX\read-only domain controllers
EDUCATUX\protected users
EDUCATUX\dnsupdateproxy
# getent group "Domain Admins"
Resultado recebido:
EDUCATUX\domain admins:x:3000004:
# smbclient -L localhost -U Administrator
Resultado recebido:
Password for [EDUCATUX\Administrator]:
Sharename Type Comment
--------- ---- -------
sysvol Disk
netlogon Disk
IPC$ IPC IPC Service (Samba 4.23.3)
SMB1 disabled -- no workgroup available
# samba-tool dns zonelist localhost -U administrator
Resultado recebido:
Password for [EDUCATUX\administrator]:
2 zone(s) found
pszZoneName : educatux.edu
Flags : DNS_RPC_ZONE_DSINTEGRATED DNS_RPC_ZONE_UPDATE_SECURE
ZoneType : DNS_ZONE_TYPE_PRIMARY
Version : 50
dwDpFlags : DNS_DP_AUTOCREATED DNS_DP_DOMAIN_DEFAULT DNS_DP_ENLISTED
pszDpFqdn : DomainDnsZones.educatux.edu
pszZoneName : _msdcs.educatux.edu
Flags : DNS_RPC_ZONE_DSINTEGRATED DNS_RPC_ZONE_UPDATE_SECURE
ZoneType : DNS_ZONE_TYPE_PRIMARY
Version : 50
dwDpFlags : DNS_DP_AUTOCREATED DNS_DP_FOREST_DEFAULT DNS_DP_ENLISTED
pszDpFqdn : ForestDnsZones.educatux.edu
# samba-tool user show administrator
Resultado recebido:
dn: CN=Administrator,CN=Users,DC=educatux,DC=edu
objectClass: top
objectClass: person
objectClass: organizationalPerson
objectClass: user
cn: Administrator
description: Built-in account for administering the computer/domain
instanceType: 4
whenCreated: 20251127040618.0Z
uSNCreated: 3889
name: Administrator
objectGUID: 732e3aed-f232-427d-9377-5bf7bc79cd8e
userAccountControl: 512
badPwdCount: 0
codePage: 0
countryCode: 0
badPasswordTime: 0
lastLogoff: 0
pwdLastSet: 134086899781242602
primaryGroupID: 513
objectSid: S-1-5-21-294413610-3908852046-3961109876-500
adminCount: 1
accountExpires: 9223372036854775807
sAMAccountName: Administrator
sAMAccountType: 805306368
objectCategory: CN=Person,CN=Schema,CN=Configuration,DC=educatux,DC=edu
isCriticalSystemObject: TRUE
memberOf: CN=Domain Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Schema Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Enterprise Admins,CN=Users,DC=educatux,DC=edu
memberOf: CN=Group Policy Creator Owners,CN=Users,DC=educatux,DC=edu
memberOf: CN=Administrators,CN=Builtin,DC=educatux,DC=edu
lastLogonTimestamp: 134086916533352620
whenChanged: 20251127043413.0Z
uSNChanged: 4307
lastLogon: 134086917409338150
logonCount: 5
distinguishedName: CN=Administrator,CN=Users,DC=educatux,DC=edu
Desabilitar a complexidade de senhas para usuários do domínio (facilitar testes em laboratório - Inseguro para produção!)
# samba-tool domain passwordsettings set --complexity=off# samba-tool domain passwordsettings set --history-length=0
# samba-tool domain passwordsettings set --min-pwd-length=0
# samba-tool domain passwordsettings set --min-pwd-age=0
# samba-tool user setexpiry Administrator --noexpiry
Reler as configurações do Samba4:
# smbcontrol all reload-config
Validar troca de tickets do Kerberos
# kinit Administrator@EDUCATUX.EDU# klist
Resultado recebido:
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: Administrator@EDUCATUX.EDU
Valid starting Expires Service principal
27/11/2025 02:22:52 27/11/2025 12:22:52 krbtgt/EDUCATUX.EDU@EDUCATUX.EDU
renew until 28/11/2025 02:22:47
# samba-tool dns query voiddc01 educatux.edu @ A -U Administrator
Resultado recebido:
Password for [EDUCATUX\Administrator]:
Name=, Records=1, Children=0
A: 192.168.70.250 (flags=600000f0, serial=1, ttl=900)
Name=_msdcs, Records=0, Children=0
Name=_sites, Records=0, Children=1
Name=_tcp, Records=0, Children=4
Name=_udp, Records=0, Children=2
Name=DomainDnsZones, Records=0, Children=2
Name=ForestDnsZones, Records=0, Children=2
Name=voiddc01, Records=1, Children=0
A: 192.168.70.250 (flags=f0, serial=1, ttl=900)
# drill google.com @192.168.70.250
Resultado obtido:
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 50285
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; google.com. IN A
;; ANSWER SECTION:
google.com. 300 IN A 172.217.30.142
;; AUTHORITY SECTION:
;; ADDITIONAL SECTION:
;; Query time: 224 msec
;; EDNS: version 0; flags: ; udp: 1232
;; SERVER: 192.168.70.250
;; WHEN: Thu Nov 27 02:30:42 2025
;; MSG SIZE rcvd: 55
# samba_dnsupdate --verbose
IPs: ['192.168.70.250']
Looking for DNS entry A voiddc01.educatux.edu 192.168.70.250 as voiddc01.educatux.edu.
Looking for DNS entry CNAME a9126dd4-c5ad-46b4-b91b-6ae91313e3b8._msdcs.educatux.edu
voiddc01.educatux.edu as a9126dd4-c5ad-46b4-b91b-6ae91313e3b8._msdcs.educatux.edu.
Looking for DNS entry NS educatux.edu voiddc01.educatux.edu as educatux.edu.
Looking for DNS entry NS _msdcs.educatux.edu voiddc01.educatux.edu as _msdcs.educatux.edu.
Looking for DNS entry A educatux.edu 192.168.70.250 as educatux.edu.
Looking for DNS entry SRV _ldap._tcp.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.dc._msdcs.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.f5cccdab-a9d9-4b1f-9344-d2affb3c9855.domains._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.f5cccdab-a9d9-4b1f-9344-d2affb3c9855.domains._msdcs.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.f5cccdab-a9d9-4b1f-9344-d2affb3c9855.domains._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _kerberos._tcp.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kerberos._udp.educatux.edu voiddc01.educatux.edu 88 as _kerberos._udp.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._udp.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kerberos._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.dc._msdcs.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.dc._msdcs.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kpasswd._tcp.educatux.edu voiddc01.educatux.edu 464 as _kpasswd._tcp.educatux.edu.
Checking 0 100 464 voiddc01.educatux.edu. against SRV _kpasswd._tcp.educatux.edu voiddc01.educatux.edu 464
Looking for DNS entry SRV _kpasswd._udp.educatux.edu voiddc01.educatux.edu 464 as _kpasswd._udp.educatux.edu.
Checking 0 100 464 voiddc01.educatux.edu. against SRV _kpasswd._udp.educatux.edu voiddc01.educatux.edu 464
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.educatux.edu. Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu. Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _kerberos._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.Default-First-Site-Name._sites.educatux.edu. Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 88 as _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu.
Checking 0 100 88 voiddc01.educatux.edu. against SRV _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.educatux.edu voiddc01.educatux.edu 88
Looking for DNS entry SRV _ldap._tcp.pdc._msdcs.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.pdc._msdcs.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.pdc._msdcs.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry A gc._msdcs.educatux.edu 192.168.70.250 as gc._msdcs.educatux.edu. Looking for DNS entry SRV _gc._tcp.educatux.edu voiddc01.educatux.edu 3268 as _gc._tcp.educatux.edu.
Checking 0 100 3268 voiddc01.educatux.edu. against SRV _gc._tcp.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry SRV _ldap._tcp.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268 as _ldap._tcp.gc._msdcs.educatux.edu.
Checking 0 100 3268 voiddc01.educatux.edu. against SRV _ldap._tcp.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry SRV _gc._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 3268 as _gc._tcp.Default-First-Site-Name._sites.educatux.edu. Checking 0 100 3268 voiddc01.educatux.edu. against SRV _gc._tcp.Default-First-Site-Name._sites.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268 as _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.educatux.edu. Checking 0 100 3268 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.educatux.edu voiddc01.educatux.edu 3268
Looking for DNS entry A DomainDnsZones.educatux.edu 192.168.70.250 as DomainDnsZones.educatux.edu.
Looking for DNS entry SRV _ldap._tcp.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.DomainDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones.educatux.edu voiddc01.educatux.edu 389 Looking for DNS entry A ForestDnsZones.educatux.edu 192.168.70.250 as ForestDnsZones.educatux.edu.
Looking for DNS entry SRV _ldap._tcp.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.ForestDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389
Looking for DNS entry SRV _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389 as _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.educatux.edu.
Checking 0 100 389 voiddc01.educatux.edu. against SRV _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.educatux.edu voiddc01.educatux.edu 389
No DNS updates needed
Páginas do artigo
1. Layout da rede e instalação dos pacotes2. Obtendo o código fonte e instalando o SAMBA4
3. Provisionando o domínio
4. Criando os serviços do samba-ad-dc no runit
5. NTP / Chrony Server
6. Ajuste de DNS Winbind e Kerberos pós provisionamento
7. O arquivo smb.conf
8. Troubleshooting da instalação/configuração
9. Resumo
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