Modify a gateway in Linux

Article title: modify the gateway in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

Take the root user as an example and execute the following command:

# Route add default gw xxx. xxx (IP address of the Gateway)

To change the gateway, edit the/etc/sysconfig/network-scripts/ifcfg-eth0 file, modify the corresponding gateway settings, and run the following command:

#/Etc/init. d/network restart

Directly use the command line to modify the Gateway address:

# Vi/etc/sysconfig/network

NETWORKING = yes

NETWORKING_IPV6 = yes

HOSTNAME = localhost. localdomain

GATEWAY = 192.168.0.1

How do I change the LINUX IP address?

Ifconfig eth0 New ip

Then edit/etc/sysconfig/network-scripts/ifcfg-eth0 and modify the ip

# Modifying IP addresses

Effective immediately:

# Ifconfig eth0 192.168.0.20 netmask 255.255.255.0

Start effective:

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

# Modifying the default gateway

Effective immediately:

# Route add default gw 192.168.0.254

Start effective:

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

# Modify dns

Modify/etc/resolv. conf

The modification takes effect immediately and starts as well.

# Modifying host name

Effective immediately:

# Hostname fc2

Start effective:

Modify/etc/sysconfig/network