Modify IP, DNS, and routing configuration under Linux

ifconfig eth0 new ip

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

First, modify the IP address < BR>
[aeolus@db1 network-scripts]$ vi ifcfg-eth0

DEVICE=eth0

ONBOOT=yes

BOOTPROTO=static

IPADDR=219.136.241.211

NETMASK=255.255.255.128

GATEWAY=219.136.241.254

Second, modify the gateway

vi /etc/sysconfig/Network

NETWORKING=yes

HOSTNAME=Aaron

GATEWAY=192.168.1.1

Third, modify DNS

[aeolus@db1 Etpu] name viserver.202. d/network restart

Modify ip address

Effective immediately:

# ifconfig eth0 192.168.0.20 netmask 255.255.255.0

Startup takes effect:

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

Modify default gateway

Effective immediately:

# route add default Gw 192.168.0.254

Startup:

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

Modify dns

Modify /etc/Resolv.conf

Immediately after modification, the startup is also valid

Modify host name

Effective immediately:

# hostname fc2

Startup takes effect:

Modify /etc/sysconfig/network