[Samba] DNS issues on both DC's
L.P.H. van Belle
belle at bazuin.nl
Fri Jul 10 13:49:15 UTC 2020
Hai bob, thats a very old script.
I sended a new one to you.
It "looks" like there is an reverse zone in flat file.
>> zone 0.168.192.in-subdomdr.arpa/NONE: has no NS
The other scrip will tell us whats off.
Greetz,
Louis
> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens Bob
> Wooden via samba
> Verzonden: vrijdag 10 juli 2020 15:23
> Aan: samba at lists.samba.org
> Onderwerp: [Samba] DNS issues on both DC's
>
> I am having dns issues on both DC's.
>
> root at dc1:~# ./samba-setup-checkup.sh
> Check hostnames : Ok
> ./samba-setup-checkup.sh: line 91: [: too many arguments
> Checking detected host ipnumbers from resolv.conf and default gateway
> Ping gateway ip : 192.168.0.106 : Ok
> Warning, no ping to gateway, this might be firewalled.
> check you internet connection, subdom DNS might need it.
> ping nameserver1: 192.168.0.42 : Ok
> ping nameserver2: 192.168.0.41 : Ok
> Check ping google dns : 8.8.8.8 : Ok
> Warning, no ping to internet dns 8.8.8.8, this might be firewalled.
> Check you internet connection, subdom DNS might need it.
> Checking file owner..
> -rw-r--r-- root root /etc/samba/smb.conf
> Checking file owner..
> Missing file /etc/samba/lmhosts
> Checking file owner..
> Missing file /etc/samba/smbpasswd
> drwxr-xr-x root root /usr/bin
> drwxr-xr-x root root /var/cache/sambsubdomrwxr-xr-x root
> root
> /usr/lib/x86_64-linux-gnu
> drwxr-xr-x root root /run/sambsubdomrwxr-x--- root subdomm
> /var/log/sambsubdomrwxr-xr-x root root
> /usr/lib/x86_64-linux-gnu/sambsubdomrwxr-xr-x root root
> /run/sambsubdomrwxr-xr-x root root /var/lib/samba/private
> drwxr-xr-x root root /usr/sbin
> drwxr-xr-x root root /var/lib/sambsubdomCS reache
> DC1 reache
> DC2
> ERROR: Invalid IP subdomdress 'reache'!
> Samba subdom DC info: = detected (command and
> where to look)
> This server hostname = dc1 (hostname -s and
> /etc/hosts and DNS
> server)
> This server FQDN (hostname) = dc1.subdom.example.com
> (hostname -f and
> /etc/hosts and DNS server)
> This server primary dnsdomain = subdom.example.com (hostname -d and
> /etc/resolv.conf and DNS server)
> This server IP subdomdress(ses) = 192.168.0.41 Only one interface
> detected (hostname -i (-I) and /etc/netcoming/interfaces and
> DNS server
> The DC with FSMO roles = dc1 (samba-tool fsmo show)
> The DC (with FSMO) Site name = Default-First-Site-Name
> (samba-tool fsmo
> show)
> The Default Naming Context = DC=subdom,DC=example,DC=com
> (samba-tool
> fsmo show)
> The Kerberos REALM name used = subdom.example.com (kinit and
> /etc/krb5.conf and resolving)
> The Ipsubdomres of DC reache = reached
> SAMBA_SERVER_ROLE: active directory domain controller
> SAMBA_SERVER_SERVICES: s3fs, rpc, nbt, wrepl, ldap, cldap,
> kdc, drepl,
> winbindd, ntp_signd, kcc, dnsupdate
> SAMBA_DCERPC_ENDPOINT_SERVERS: epmapper, wkssvc, rpcecho, samr,
> netlogon, lsarpc, drsuapi, dssetup, unixinfo, browser, eventlog6,
> backupkey, dnsserver
>
> DC2
>
> root at dc2:~# ./samba-setup-checkup.sh
> Check hostnames : Ok
> ./samba-setup-checkup.sh: line 91: [: too many arguments
> Checking detected host ipnumbers from resolv.conf and default gateway
> Ping gateway ip : 192.168.0.106 : Ok
> Warning, no ping to gateway, this might be firewalled.
> check you internet connection, subdom DNS might need it.
> ping nameserver1: 192.168.0.41 : Ok
> ping nameserver2: 192.168.0.42 : Ok
> Check ping google dns : 8.8.8.8 : Ok
> Warning, no ping to internet dns 8.8.8.8, this might be firewalled.
> Check you internet connection, subdom DNS might need it.
> Checking file owner..
> -rw-r--r-- root root /etc/samba/smb.conf
> Checking file owner..
> Missing file /etc/samba/lmhosts
> Checking file owner..
> Missing file /etc/samba/smbpasswd
> drwxr-xr-x root root /usr/bin
> drwxr-xr-x root root /var/cache/sambsubdomrwxr-xr-x root
> root
> /usr/lib/x86_64-linux-gnu
> drwxr-xr-x root root /run/sambsubdomrwxr-x--- root subdomm
> /var/log/sambsubdomrwxr-xr-x root root
> /usr/lib/x86_64-linux-gnu/sambsubdomrwxr-xr-x root root
> /run/sambsubdomrwxr-xr-x root root /var/lib/samba/private
> drwxr-xr-x root root /usr/sbin
> drwxr-xr-x root root /var/lib/sambsubdomCS reache
> DC1 reache
> DC2
> ERROR: Invalid IP subdomdress 'reache'!
> Samba subdom DC info: = detected (command and
> where to look)
> This server hostname = dc2 (hostname -s and
> /etc/hosts and DNS
> server)
> This server FQDN (hostname) = dc2.subdom.example.com
> (hostname -f and
> /etc/hosts and DNS server)
> This server primary dnsdomain = subdom.example.com (hostname -d and
> /etc/resolv.conf and DNS server)
> This server IP subdomdress(ses) = 192.168.0.42 Only one interface
> detected (hostname -i (-I) and /etc/netcoming/interfaces and
> DNS server
> The DC with FSMO roles = dc1 (samba-tool fsmo show)
> The DC (with FSMO) Site name = Default-First-Site-Name
> (samba-tool fsmo
> show)
> The Default Naming Context = DC=subdom,DC=example,DC=com
> (samba-tool
> fsmo show)
> The Kerberos REALM name used = subdom.example.com (kinit and
> /etc/krb5.conf and resolving)
> The Ipsubdomres of DC reache = reached
> SAMBA_SERVER_ROLE: active directory domain controller
> SAMBA_SERVER_SERVICES: s3fs, rpc, nbt, wrepl, ldap, cldap,
> kdc, drepl,
> winbindd, ntp_signd, kcc, dnsupdate
> SAMBA_DCERPC_ENDPOINT_SERVERS: epmapper, wkssvc, rpcecho, samr,
> netlogon, lsarpc, drsuapi, dssetup, unixinfo, browser, eventlog6,
> backupkey, dnsserver
>
> I performed the join of DC2 to DC1. I moved the tdbbackup of DC1
> idmap.ldb to DC2 have the "same IDs on both DC's.
>
> root at dc2:~# systemctl status bind9
> ??? bind9.service - BIND Domain Name Server
> Loaded: losubdomed (/lib/systemd/system/bind9.service; enabled;
> vendor preset: en
> Active: failed (Result: exit-code) since Fri 2020-07-10 07:13:12
> CDT; 1h 4min
> Docs: man:named(8)
> Process: 6385 ExecStart=/usr/sbin/named $OPTIONS (code=exited,
> status=1/FAILUR
>
> Jul 10 07:13:12 dc2 named[6386]: samba_dlz: started for DN
> DC=subdom,DC=example,DC=
> Jul 10 07:13:12 dc2 named[6386]: samba_dlz: starting configure
> Jul 10 07:13:12 dc2 named[6386]: samba_dlz: configured writeable zone
> 'subdom.dtnt
> Jul 10 07:13:12 dc2 named[6386]: zone
> 0.168.192.in-subdomdr.arpa/NONE:
> has no NS
> Jul 10 07:13:12 dc2 named[6386]: samba_dlz: Failed to configure zone
> '0.168.1
> Jul 10 07:13:12 dc2 named[6386]: losubdoming configuration:
> bsubdom zone
> Jul 10 07:13:12 dc2 named[6386]: exiting (due to fatal error)
> Jul 10 07:13:12 dc2 systemd[1]: bind9.service: Control
> process exited,
> code=ex
> Jul 10 07:13:12 dc2 systemd[1]: bind9.service: Failed with result
> 'exit-code'.
> Jul 10 07:13:12 dc2 systemd[1]: Failed to start BIND Domain
> Name Server.e
>
> DNS on the lan is broken to the point that the workstations cannot
> access email. Web browsing seems to work for now but, with
> bind9 failing
> I suspect that will not last long.
>
> Clearly, I have done something really wrong!
>
> Help?
>
> --
> <<<<<<<<<<<<
> sent from my laptop
> >>>>>>>>>>>>
> Bob Wooden
>
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