Network 설정

$ ip addr 

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp0s25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether e4:11:5b:39:a7:c0 brd ff:ff:ff:ff:ff:ff
    inet 10.10.30.79/24 brd 10.10.30.255 scope global noprefixroute enp0s25
       valid_lft forever preferred_lft forever
    inet6 fe80::1453:8399:3aed:d275/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp37s0b1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 20:10:7a:30:30:d2 brd ff:ff:ff:ff:ff:ff
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 52:54:00:b4:c7:05 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever
5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN group default qlen 1000
    link/ether 52:54:00:b4:c7:05 brd ff:ff:ff:ff:ff:ff
    
$ vi /etc/sysconfig/network-scripts/ifcfg-enp0s25