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Old 10-24-2007, 07:31 AM   #1
thok
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Registered: Oct 2007
Distribution: CentOS 4.x
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add ip to linux server


how can i add ip address to linux web server ?
 
Old 10-24-2007, 08:08 AM   #2
farslayer
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Registered: Oct 2005
Location: Willoughby, Ohio
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in Debian based distros you can create a sub-interface as follows..

Code:
it-etch:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
# allow-hotplug eth0
# iface eth0 inet dhcp
auto eth0
iface eth0 inet static
address 192.168.0.4
netmask 255.255.255.0
gateway 192.168.0.1
network 192.168.0.0
broadcast 192.168.0.255

auto eth0:1
iface eth0:1 inet static
address 10.90.90.1
netmask 255.255.255.0
network 10.90.90.0
broadcast 10.90.90.255
Code:
it-etch:~# ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:1A:A0:08:67:08
          inet addr:192.168.0.4  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::21a:a0ff:fe08:6708/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5695635 errors:0 dropped:0 overruns:0 frame:0
          TX packets:338259 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:944543446 (900.7 MiB)  TX bytes:36835014 (35.1 MiB)
          Interrupt:201

eth0:1    Link encap:Ethernet  HWaddr 00:1A:A0:08:67:08
          inet addr:10.90.90.1  Bcast:10.90.90.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Interrupt:201
You should add your distro to your profile, to help insure the information you get is most relevant to your distro..
 
Old 10-24-2007, 08:10 AM   #3
thok
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Registered: Oct 2007
Distribution: CentOS 4.x
Posts: 12

Original Poster
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it is actually centos 4.x

it is actually a web server which has already one ip address configured. now i have bought 4 ip addresses and i want to add those ip address to be used on the server ...

is above info still valid for this situation ?

Last edited by thok; 10-24-2007 at 08:14 AM.
 
Old 10-24-2007, 08:17 AM   #4
farslayer
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Registered: Oct 2005
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For Centos this link is probably more relevant: http://www.servepath.com/support/redhat_ip_config.htm
 
Old 10-24-2007, 08:28 AM   #5
thok
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Registered: Oct 2007
Distribution: CentOS 4.x
Posts: 12

Original Poster
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thnaks for help ... i must have come to this forum earlier....


so this is the info in my eth0


IPADDR=72.232.47.66
NETMASK=255.255.255.248


What would be subnet mask if i want to 72.232.47.67 to my server ?
 
Old 10-24-2007, 09:47 AM   #6
farslayer
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Registered: Oct 2005
Location: Willoughby, Ohio
Distribution: linuxdebian
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Looks like the subnet would be the same...


Code:
it-etch:~# ipcalc 72.232.47.66/29
Address:   72.232.47.66         01001000.11101000.00101111.01000 010
Netmask:   255.255.255.248 = 29 11111111.11111111.11111111.11111 000
Wildcard:  0.0.0.7              00000000.00000000.00000000.00000 111
=>
Network:   72.232.47.64/29      01001000.11101000.00101111.01000 000
HostMin:   72.232.47.65         01001000.11101000.00101111.01000 001
HostMax:   72.232.47.70         01001000.11101000.00101111.01000 110
Broadcast: 72.232.47.71         01001000.11101000.00101111.01000 111
Hosts/Net: 6                     Class A
 
  


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