Debian System Learning Note (2): NIC configuration information

2.NIC configuration information

( 1 ) static IP The contents are as follows

# vim/etc/network/interfaces

# This file describes the network interfacesavailable on your system

# and how to activate them. For more information, seeinterfaces (5).

# The Loopback network interface

Auto Lo

Iface Lo inet Loopback

# The Primary network interface

allow-hotplug eth0// Plug and Play

auto eth0// NIC self-booting

Iface eth0 inet Static

address192.168.0.42

netmask255.255.255.0

gateway192.168.0.1// intranet without Gateway is can not fill in

( 2 )DHCP automatically get

Allow-hotplug eth0

Iface eth0 inet DHCP//dhcp get IP address

Auto Eth0

#/etc/init.d/networking Restart// restart NIC

#ifconfig eth0 down\up// turn off and on eth0 nic or #ifdown eth0 && ifup eth0

#/etc/init.d/networking Stop &&/etc/init.d/networkingstart //debian6 need this to restart the NIC

#vim/etc/hostname// Modify computer name

#vim/etc/hosts// Modify hosts parsing

#vim/etc/resolv.conf// Configure DNS For example:nameserver 202.106.0.20

( 3 ) one NIC to edit multiple addresses

Auto eth0:1

Iface eth0:1 inet static

Adderss x.x.x.x

Netmask x.x.x.x.

( 4 ) Editor:resolv.conf file

NameServer # defines the IP address of the DNS server

Domain # defines local domain name, can not write

Search # defines the list of searches for a domain name, but does not write

Sortlist # Sorts the returned domain names, but does not write

#cat/etc/resolv.conf An example of:

NameServer 202.96.128.86

NameServer 202.96.128.166

( 5 ) Modify the NIC MAC Address

# vim/etc/network/interfaces

hwaddress ether 00:00:39:9e:58:3c // Add a new MAC address to the corresponding NIC configuration file

It can be changed temporarily, too .

Ifconfig eth0 Down

ifconfig eth0 hw ether XX:XX:XX:XX:XX:XX

Ifconfig eth0 up

(6 ) NIC driver description

Drivers that do not have DellR410 in the DEBIAN7 system need to be manually installed, but drivers are already recognized by default in DellR420.

Debian System Learning Note (2): NIC configuration information