Ways to view and modify IP under Linux systems

Source: Internet
Author: User

1. Display the currently initiated network Interface command:

The code is as follows:

Ifconfig

2. View all current network interface commands:

The code is as follows:

Ifconfig-a

3. View the specified network interface command:

The code is as follows:

Ifconfig eth0

Under Linux to modify the IP is divided into two kinds of cases,

1. Modify the IP when debugging, only in the current effective, restart after the original IP

The code is as follows:

Ifconfig eth0 192.168.63.27 netmask 255.255.255.0 route add default GW 192.168.63.1 up

2. Permanent entry into force (i.e., after reboot)

Method 1: Configure the configuration file for the network adapter

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

Then restart service network restart is in effect, or/etc/init.d/network restart is in effect

Method 2:

Save the ifconfig eth0 192.168.63.27 netmask 255.255.255.0 route add default GW 192.168.63.1 in the/etc/init.d/rc.local file

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