[리눅스] IP확인 - ifconfig, ip addr show

#ifconfig

nadahacker@nada_ubuntu:~$ ifconfig

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 192.168.0.19 netmask 255.255.255.0 broadcast 192.168.0.255

inet6 fe80::215:5dff:fe00:1002 prefixlen 64 scopeid 0x20<link>

ether 00:15:5d:00:10:02 txqueuelen 1000 (Ethernet)

RX packets 32453 bytes 5496717 (5.4 MB)

RX errors 0 dropped 4113 overruns 0 frame 0

TX packets 745 bytes 98539 (98.5 KB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536

inet 127.0.0.1 netmask 255.0.0.0

inet6 ::1 prefixlen 128 scopeid 0x10<host>

loop txqueuelen 1000 (Local Loopback)

RX packets 138 bytes 10844 (10.8 KB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 138 bytes 10844 (10.8 KB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

nadahacker@nada_ubuntu:~$

#ip addr show

nadahacker@nada_ubuntu:~$ ip addr show

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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000

link/ether 00:15:5d:00:10:02 brd ff:ff:ff:ff:ff:ff

inet 192.168.0.19/24 brd 192.168.0.255 scope global dynamic eth0

valid_lft 5287sec preferred_lft 5287sec

inet6 fe80::215:5dff:fe00:1002/64 scope link

valid_lft forever preferred_lft forever

nadahacker@nada_ubuntu:~$