Ubuntu 11.04
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Network Settings
2011/04/29
[1] Change to static IP addres if you use Ubuntu 11.04 as a server.
root@dlp:~#
vi /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
auto eth0
# make it comment

#
iface eth0 inet dhcp
# add these lines

iface eth0 inet static
address 10.0.0.30
# define IP address

network 10.0.0.0
# define network address

netmask 255.255.255.0
# define subnet mask

broadcast 10.0.0.255
# define broadcast address

gateway 10.0.0.1
# define default gateway


root@dlp:~#
ifdown eth0 && ifup eth0

[2] Disable IPv6 if not needed.
root@dlp:~#
echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf

root@dlp:~#

root@dlp:~#
eth0
Link encap:Ethernet HWaddr 00:1a:4d:45:9f:57

inet addr:10.0.0.30 Bcast:10.0.0.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:119 errors:0 dropped:0 overruns:0 frame:0

TX packets:100 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:12204 (12.2 KB) TX bytes:18493 (18.4 KB)

Interrupt:43 Base address:0x8000


lo
Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:88 (88.0 B) TX bytes:88 (88.0 B)

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