Advanced Redhat and ubuntu Nic Configuration

In RedHatlinux, if you set the fixed ip address of the NIC in redhat-config-network under xwindow, the setting of the fixed ip address of the NIC does not work. If you set it, the ping will fail. Check some information, change/etc/sysconfig/network-scripts/ifcfg-eth0 (the first Nic is eth0), configure the dns file as/etc/resolv. conf, I keep the dhcp configuration. After configuration, use ifconfig RedHat to set a fixed ip address for the NIC in linux.

Previously, the redhat-config-network Setting of the NIC fixed ip address in xwindow did not work. After the redhat-config-network is set, the ping fails. Check some information, change/etc/sysconfig/network-scripts/ifcfg-eth0 (the first Nic is eth0), configure the dns file as/etc/resolv. conf, I keep the dhcp configuration. After configuration, use ifconfig eth0 down; ifconfig eth0 up. The following is a configuration file list:

#/Etc/sysconfig/network-scripts/ifcfg-eth0:
DEVICE = eth0
BOOTPROTO = static
BROADCAST = 192.168.1.255
IPADDR = 192.168.1.10
NETMASK = 255.255.255.0
NETWORK = 192.168.1.0
HWADDR = 52: 54: AB: 2F: CF: F0
GATEWAY = 192.168.1.1
ONBOOT = on
TYPE = Ethernet

#/Etc/resolv. conf
Nameserver 202.109.14.5
Nameserver 202.96.209.5
Search localdomain

Or run the following command: setup
Or:
Route add-net 192.168.1.50 netmask 255.255.255.0 dev eth0
Or:
Ifconfig eth0 192.168.1.50 netmask 255.255.255.0