Debian Network
Configuration
l IP Setting
(Static+DHCP)
l DHCP
l DNS (BIND9)
l APT-PROXY
IP Setting
(Static+DHCP)
l IP Setting
(Static)
Open
Interfaces file and add the these lines.
#>vi /etc/networking/interfacse
auto
lo
interfaces
lo inet loopback
address
127.0.0.1
netmask 255.0.0.0
ath0
iface
eth0 inet static
address
192.168.1.12
netmask 255.255.255.0
getway 192.168.1.1
netmask 255.255.255.0
l IP Setting
(DHCP)
ath0
iface eth0 inet dhcp
DHCP
l
Install DHCP on the debain with the help of
#> apt-get install dhcp3-server
l
Open dhcp.conf file to define the range and domain
name and etc.
#>vi
/etc/dhcp3/dhcp.conf
ddns-update-style none;
option
domain-name “emergen.org” ;
option
domain-name-server 192.168.2.1;
Increase
default-lease-time & Max-lease-time
subnet
192.168.2.0 netmask 255.255.255.0{
range
192.168.2.1 192.168.2.100;
option
subnet-mask 255.255.255.0;
option
routers 192.168.2.1;
}
If
you want to assign the static IP address to any special machine with the help
of dhcp
that
define the mack address of that machine NIC.
host hostname {
hardware
ethernet 00:2E:4B:5R:EE;
fixed-address 192.168.2.15;
}
when
ever you are going to restart the DHCP or the system it's have same IP address
that u assign.
DNS (BIND9)
l Primary DNS
l
Install DIND9
#> apt-get install bind9
l
Stop that service
#>
/etc/init.d/bind9 stop
l
For defining the forword and reverse zone open
name.cof file
#>vi
/etc/bind/name.conf & define zone's
Don't
delete the previous configuration just add these zone in name.conf file.
l Forward Zone
zone “emergen.org”{
type
master;
notify
no;
file
“/etc/bind/emergen.org.db”;
}
l Reverse Zone
Zone
“2.168.192.in-addr.arpa”{
type
master;
notify
no;
file
“2.168.192.db”;
}
l Now create
the forward & reverse zone file open a file.
#>vi
/etc/bind/emergen.org.db
And
add this script
$TTL 2d
@ IN SOA
emergen.org. root.emergen.org. (
22 ;serial
3h ;refresh
1h ;retry
1w ; expiry
1d ) ; Minimum
emergen.org. IN
NS dns1.emergen.org.
IN A
192.168.3.1
www IN A
192.168.3.1
server IN A
192.168.3.1
;
If you want to define more host names that just add them
mail IN
A 192.168.3.1
smtp IN
A 192.168.3.1
pop IN
A 192.168.3.1
l
Now create reverse zone file
#>
vi /etc/bind/2.168.192.db
And add
these line
$TTL 2d
@
IN SOA emergen.org. root.emergen.org.(
2004111601 ; Serial
8H ; Refresh
4H ;
Retry
4W
; Expire
1D
) ; Default TTL
IN NS dns1.emergen.org.
1.3.168.192.in-addr.arpa. IN PTR
www.emergen.org.
l
Start the BIND9 Service
#> /etc/init.d/bind9 start
l
Test your BIND9 configuration
l Again install bind9 DNS package with the
same configuration files on second machine just you have to add some extra
lines.
Add Zones in name.conf
zone "emergen.org"{
type
slave;
file
"/etc/bind/emergen.org.db";
masters{
192.168.3.1;
};
};
zone
"3.168.192.in-addr.arpa"{
type
slave;
file "/etc/bind/3.168.192.db";
masters{
192.168.3.1;
};
};
l
Create file for foreword zone.
vi
/etc/bind/emergen.org
------ same like previous file.
emergen.org. IN
NS dns1.emergen.org.
IN
NS dns2.emergen.org. // Add this
line after that one.
------ same like previous file.
l
Create file for reverse zone.
vi
/etc/bind/3.168.192.db
------ same like previous file.
IN NS
dns1.emergen.org.
IN NS dns2.emergen.org. // Add this line after
that one.
------ same like previous file.
l
Now restart the bind9 service
/etc/init.d/bind
restart
And add
one more line in the dhcp.conf file
------ same like previous file.
option
domain-name-servers 192.168.3.1; // this IP address of your second
DNS machine.
------ same like previous file.
l
For testing you need a three machines one for primary
DNS and second for secondry DNS and one use as a client. Now test your DNS
server form the client console it
resolving or not.
#>nslookup
emergen.org or 192.168.3.1
l
If you found no error after executing this commad than
stop one DNS server
#>/etc/init.d/bind
stop
And
than again execute
#>nslookup
emergen.org or 192.168.3.1
l
Now if u didn't find any error it means that
configuration is goes fine
APT-PROXY
l
Install Apt-proxy
#>
apt-get install apt-proxy
l
Add mirrors in apt-proxy-v2.conf. we can find the
mirrors on the web with the help of
google.com and define the IP, PORT and cache-dir where u want to store download
packages.
#> vi /etc/apt-proxy/apt-proxy-v2.conf
address
192.168.1.12
port
= 9999;
cache-dir=
“/var/cache/apt-proxy”
and
Define the mirror's.
l
some time's your firewall is not allow to go direct on
the internet without username or password or you request is unable to find the
proxy setting bcouse u did't define than if you want to define the http proxy
than type
export
http_proxy=”192.168.1.1”
I.E_
192.168.1.1 this is the address of ur firewall machine.
l
On the Client side open source.list file add some
mirrors but with your apt-proxy server address.
deb
http://192.168.1.12:8080/kubuntu/ dapper main restricted
Add
resources like this and run
l #>apt-get
update
to download
the new available updates & stores in local cache.
