Set Network Configuration

Use cmd ifconfig to make sure the name representing network interface.

Basic setting details path

Path/Folder

# cd /etc/sysconfig/network-scripts/

ethernet setting, the configuration file:

# vim /etc/sysconfig/network-scripts/ifcfg-eth0

wireless LAN setting, the configuration file:

# vim /etc/sysconfig/network-scripts/ifcfg-wlan0

Wake up network interface

Restart the whole network interface:

# /etc/init.d/network restart

Wake up the ethernet, eth0, interface as an example:

# ifup eth0

Shut down the ethernet, eth0, interface as an example:

# ifdown eth0

Request a new IP address

Release IP address used now and take ethernet as an example:

# dhclient -v -r eth0

Request a new IP address with its relative network configuration and take ethernet as an example:

# dhclient -v eth0

Replace temporary network settings

Set (or replace the IP address):

# ifconfig eth0 192.168.1.20 netmask 255.255.255.0 up

Set gateway:

# route add default gw 192.168.1.1

Set DNSs

Add(or Set) the DNS server address into the network interface:

# vim /etc/resolv.conf

Add a new DNS server, 168.95.1.1 as a example, add the following information on the bottom of the file:

nameserver 168.95.1.1