linux network 설정

network infomation 확인 - Shortcht (vi /etc/sysconfig/network-scripts/ifcfg-eth0)

[root@XXX bin]# cd /etc/sysconfig/network-scripts

[root@XXX network-scripts]# vi ifcfg-eth0

[root@XXX network-scripts]# 

vi ifcfg-eth0 example

DEVICE=eth0

TYPE=Ethernet

UUID=xxxxxxxx-aaf5-4945-ba3a-xxxxxxxxxxxx

ONBOOT=yes

NM_CONTROLLED=yes

BOOTPROTO=none

HWADDR=00:25:90:54:D7:0C

DEFROUTE=yes

PEERDNS=yes

PEERROUTES=yes

IPV4_FAILURE_FATAL=yes

IPV6INIT=no

NAME="System eth0"

# phsical ip address

IPADDR=222.222.22.222

NETMASK=255.255.252.0

GATEWAY=222.222.88.1

DNS1=220.222.1.24

DNS2=220.222.4.25

기존 network 확인

[root@XXX network-scripts]#  ls /sys/class/net

eth0  eth1  lo

eth0 -> 기본