Note 1-/etc/sysconfig/network-scripts/ifcfg-eth0 file

[email protected] ~]# Vi/etc/sysconfig/network-scripts/ifcfg-eth0
 
device=eth0# NIC device name
 
onboot=yes# Activate Yes at startup | no
 
bootproto=static# protocol type DHCP BOOTP none
 
ipaddr=192.168.1.90# Network IP address
 
netmask=255.255.255.0# Network Subnet address
 
gateway=192.168.1.1# Gateway address
 
broadcast=192.168.1.255# Broadcast Address
 
hwaddr=00:0c:29:fe:1a:09# network card MAC address
 
type=ethernet# network card type is Ethernet
  
 
Note: You will need to re-import the file after you modify the file Ifcfg-ethx to take effect, the following commands:
 
[[Email protected]
 
~]#/etc/init.d/network Reload #命令有start | Restart | Stop | Reload
 

Example:

1. Temporary:

Ifconfig eth0 172.16.12.244 netmask 255.255.255.0

IP route add default via 172.16.12.1

2.centos Manual:

Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Device= "Eth1"
bootproto= "Static"
Nm_controlled= "Yes"
onboot= "Yes"
Type= "Ethernet"
Ipaddr= "172.16.12.218"
netmask= "255.255.255.0"
Gateway= "172.16.12.1"
dns1= "172.16.12.1"
Dns2= "114.114.114.114"

3 UBUNTU Handmade

Auto Eth0
Iface eth0 inet Static
Address 172.16.12.215
Netmask 255.255.255.0
Network 172.16.12.0
Broadcast 172.16.12.255
Gateway 172.16.12.1
Dns-nameservers 172.16.12.101 8.8.8.8

Up Route add-net 172.16.1.0 netmask 255.255.255.0 GW 172.16.*.*

Note 1-/etc/sysconfig/network-scripts/ifcfg-eth0 file