Network Settings2015/05/01

[1]	Change to static IP addres if you use Debian 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).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0

# comment out

iface eth0 inet dhcp

# add follows

iface eth0 inet static
address 10.0.0.30

# IP address

network 10.0.0.0

# network address

netmask 255.255.255.0

# subnet mask

broadcast 10.0.0.255

# broadcast address

gateway 10.0.0.1

# default gateway

dns-nameservers 10.0.0.10

# name server

root@dlp:~#

systemctl restart ifup@eth0

[2]	Disable IPv6 if not needed.

root@dlp:~#

echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf

root@dlp:~#

sysctl -p

net.ipv6.conf.all.disable_ipv6 = 1
root@dlp:~#

ifconfig

eth0      Link encap:Ethernet  HWaddr 00:0c:29:9d:56:58
          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:346 errors:0 dropped:0 overruns:0 frame:0
          TX packets:263 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:33839 (33.0 KiB)  TX bytes:32449 (31.6 KiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  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:0 (0.0 B)  TX bytes:0 (0.0 B)

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