Difference between revisions of "Cluster der kan alt/DNS Server"

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(→‎Installation af DNS)
(→‎configure DNS (Bind))
 
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=Installation af DNS=
 
=Installation af DNS=
  
−
Instructions
+
Instruktioner
 
   
 
   
−
1. To install the DNS server, we need to install Bind 9.
+
==Installer DNS Server==
  
 +
sudo apt-get install bind9
  
−
sudo apt-get install bind9
+
==configure DNS (Bind)==
−
2. Let’s configure Bind. We need to touch 5 files.
+
Vi skal bruge 5 filer.
 
   
 
   
 
We will edit 3 files.
 
We will edit 3 files.
−
■/etc/bind/named.conf.local
+
#/etc/bind/named.conf.local
−
■/etc/bind/named.conf.options
+
#/etc/bind/named.conf.options
−
■/etc/resolv.conf
+
#/etc/resolvconf/resolv.conf.d/base
 
   
 
   
 
We will create 2 files.
 
We will create 2 files.
−
■/etc/bind/zones/mydomain.com.db
+
#/etc/bind/zones/dka.local.db
−
■/etc/bind/zones/rev.0.168.192.in-addr.arpa
+
#/etc/bind/zones/rev.0.0.10.in-addr.arpa.db
 
   
 
   
−
A. First step. Lets add our domain zone – mydomain.com.
+
===First step: add domain zone – dka.local===
  
  
−
sudo vi /etc/bind/named.conf.local
+
*sudo vi /etc/bind/named.conf.local
 +
<source lang=cli>
 +
# Our Domain zone
 +
zone "dka.local." {
 +
        type master;
 +
        file "/etc/bind/zones/dka.local.db";
 +
};
  
−
# Our domain zone
+
# For reverse DNS
−
zone "mydomain.com" {
+
zone "0.0.10.in-addr.arpa" {
−
  type master;
+
        type master;
−
  file "/etc/bind/zones/mydomain.com.db";
+
        file "/etc/bind/zones/rev.0.0.10.in-addr.arpa.db";
 
};
 
};
−
+
 
−
# For reverse DNS
+
</source>
−
zone "0.168.192.in-addr.arpa" {
+
 
−
  type master;
+
===Secund step: Add the DNS servers from your ISP===
−
  file "/etc/bind/zones/rev.0.168.192.in-addr.arpa";
+
 
 +
# Sudo vi /etc/bind/named.conf.options
 +
 
 +
<source lang=cli>
 +
        forwarders {
 +
                172.16.4.66;
 +
        };
 +
 
 +
        auth-nxdomain no;    # conform to RFC1035
 +
        listen-on-v6 { any; };
 +
        listen-on { any; };
 +
 
 +
allow-query { 127.0.0.1; 172.16.4.66/24; 10.0.0.0/24;};
 
};
 
};
−
Save file. Exit.
+
 
 +
</source>
 +
 
 +
===Third step: Modify the resolv.conf file ===
 +
 
 +
$ Sudo vi /etc/resolve.conf - Version 12.04 skal man ændre nano /etc/resolvconf/resolv.conf.d/base
 +
 
 +
<source lang=cli>
 +
nameserver 10.0.0.1
 +
domain dka.local
 +
search dka.local
 +
 
 +
</source>
 +
 
 +
===Fourth step: Define zones===
 +
 
 +
Sudo mkdir /etc/bind/zones
 +
Sudo vi /etc/bind/zones/dka.local.db
 +
 
 +
<source lang=cli>
 +
 
 +
; BIND data file for local loopback interface
 +
;
 +
$TTL    604800
 +
@      IN      SOA    ns.dka.local. root.dka.local. (
 +
                              8        ; Serial
 +
                        604800        ; Refresh
 +
                          86400        ; Retry
 +
                        2419200        ; Expire
 +
                        604800 )      ; Negative Cache TTL
 +
;
 +
@      IN      NS      ns.dka.local.
 +
ns      IN      A      10.0.0.1
 +
ubuntu  IN      A      10.0.0.21
 +
 
 +
</source>
 +
 
 +
 
 +
 
 +
 
 +
The TTL or time to live is set for 3 days
 +
The ns.mydomain.com nameserver is defined
 +
ubuntudesktop, pc and gateway are entered as an A record
 +
An alias of www is assigned to ubuntudesktop using CNAME
 +
 
 +
===Step five: Create a “rev.0.0.10.in-addr.arpa” file for reverse lookup===
 +
 
 +
Sudo nano /etc/bind/zones/rev.0.0.10.in-addr.arpa.db
 +
 
 +
<source lang=cli>
 +
$TTL 3D
 +
@      IN      SOA    ns.dka.local. admin.dka.local. (
 +
                2007062001
 +
                28800
 +
                604800
 +
                604800
 +
                86400
 +
)
 +
        IN      NS      ns.dka.local.
 +
2      IN      PTR    ubuntu.dka.local
 +
 
 +
</source>
 +
 
 +
===Step seks: Test vores nye domæne og DNS entries===
 +
 
 +
Dig
 +
 
 +
<source lang=cli>
 +
$ dig dka.local
 +
</source>
 +
 
 +
Nslookup
 +
 
 +
<source lang=cli>
 +
nslookup ns
 +
</source>
 +
 
 +
{{Source cli}}
 +
[[Category:Cluster]][[Category:Ubuntu]]

Latest revision as of 12:04, 22 October 2014

Installation af DNS

Instruktioner

Installer DNS Server

sudo apt-get install bind9

configure DNS (Bind)

Vi skal bruge 5 filer.

We will edit 3 files.

  1. /etc/bind/named.conf.local
  2. /etc/bind/named.conf.options
  3. /etc/resolvconf/resolv.conf.d/base

We will create 2 files.

  1. /etc/bind/zones/dka.local.db
  2. /etc/bind/zones/rev.0.0.10.in-addr.arpa.db

First step: add domain zone – dka.local

  • sudo vi /etc/bind/named.conf.local
# Our Domain zone
zone "dka.local." {
        type master;
        file "/etc/bind/zones/dka.local.db";
};

# For reverse DNS
zone "0.0.10.in-addr.arpa" {
        type master;
        file "/etc/bind/zones/rev.0.0.10.in-addr.arpa.db";
};

Secund step: Add the DNS servers from your ISP

  1. Sudo vi /etc/bind/named.conf.options
        forwarders {
                172.16.4.66;
         };

        auth-nxdomain no;    # conform to RFC1035
        listen-on-v6 { any; };
        listen-on { any; };

allow-query { 127.0.0.1; 172.16.4.66/24; 10.0.0.0/24;};
};

Third step: Modify the resolv.conf file

$ Sudo vi /etc/resolve.conf - Version 12.04 skal man ændre nano /etc/resolvconf/resolv.conf.d/base 

nameserver 10.0.0.1
domain dka.local
search dka.local

Fourth step: Define zones

Sudo mkdir /etc/bind/zones Sudo vi /etc/bind/zones/dka.local.db 

; BIND data file for local loopback interface
;
$TTL    604800
@       IN      SOA     ns.dka.local. root.dka.local. (
                              8         ; Serial
                         604800         ; Refresh
                          86400         ; Retry
                        2419200         ; Expire
                         604800 )       ; Negative Cache TTL
;
@       IN      NS      ns.dka.local.
ns      IN      A       10.0.0.1
ubuntu  IN      A       10.0.0.21



The TTL or time to live is set for 3 days The ns.mydomain.com nameserver is defined ubuntudesktop, pc and gateway are entered as an A record An alias of www is assigned to ubuntudesktop using CNAME

Step five: Create a “rev.0.0.10.in-addr.arpa” file for reverse lookup

Sudo nano /etc/bind/zones/rev.0.0.10.in-addr.arpa.db 

$TTL 3D
@       IN      SOA     ns.dka.local. admin.dka.local. (
                2007062001
                28800
                604800
                604800
                86400
)
        IN      NS      ns.dka.local.
2       IN      PTR     ubuntu.dka.local

Step seks: Test vores nye domæne og DNS entries

Dig 

$ dig dka.local

Nslookup 

nslookup ns
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