BSD/Linux Tutorial Zone

Do you know how to modify network setting in system files?
Here you are.
Now, you can modify it to change any network setting that is a easy way.

• 1. If you want to change now, please modify ip and netmask of the system file ifcfg-xxxxx (xxxxx wil be MAC address that can be changed to below example ifcfg-eth0 or ifcfg-wlan0)

#cd /etc/sysconfig/network/ #ls

config dhcp6r ifcfg-eth0 ifcfg.template if-down.d if-up.d routes
dhcp dhcp6s ifcfg-lo ifcfg-wlan0 ifroute-lo providers scripts

#vi ifcfg-eth0

BOOTPROTO='dhcp' ---> you can change it to dhcp or static BROADCAST=''
ETHTOOL_OPTIONS=''
IPADDR='xxx.xxx.xxx.xxx' ---> Here is static ip address setting
MTU=''
NAME='88E8055 PCI-E Gigabit Ethernet Controller'
NETMASK='255.255.255.0' ---> Here is subnet mask setting for static ip
NETWORK=''
REMOTE_IPADDR=''
STARTMODE='auto'
USERCONTROL='no'

#vi ifcfg-wlan0

BOOTPROTO='dhcp' ---> you can change it to dhcp or static
BROADCAST=''
ETHTOOL_OPTIONS=''
IPADDR='xxx.xxx.xxx.xxx' ---> you can also assign ip address in wireless device
MTU=''
NAME='PRO/Wireless 4965 AG or AGN Network Connection'
NETMASK='255.255.255.0' ---> Here is subnet mask setting for static ip
NETWORK=''
REMOTE_IPADDR=''
STARTMODE='auto'
USERCONTROL='yes'
WIRELESS_AP=''
WIRELESS_AUTH_MODE='open'
WIRELESS_BITRATE='auto'
WIRELESS_CA_CERT=''
WIRELESS_CHANNEL=''
WIRELESS_CLIENT_CERT=''
WIRELESS_CLIENT_KEY=''
WIRELESS_CLIENT_KEY_PASSWORD=''
WIRELESS_DEFAULT_KEY='0'
WIRELESS_EAP_AUTH=''
WIRELESS_EAP_MODE=''
WIRELESS_ESSID=''
WIRELESS_FREQUENCY=''
WIRELESS_KEY=''
WIRELESS_KEY_0=''
WIRELESS_KEY_1=''
WIRELESS_KEY_2=''
WIRELESS_KEY_3=''
WIRELESS_KEY_LENGTH='128'
WIRELESS_MODE='Managed'
WIRELESS_NICK=''
WIRELESS_NWID=''
WIRELESS_PEAP_VERSION=''
WIRELESS_POWER='yes'
WIRELESS_WPA_ANONID=''
WIRELESS_WPA_IDENTITY=''
WIRELESS_WPA_PASSWORD=''

• 2 If you are using static ip now. You can add default route in below file.

#cd /etc/sysconfig/network
#vi routes

default 192.168.1.1

Ps: Is it a easy way for you?