| 용어 | 설명 |
|---|---|
| IP Address | 네트워크 상에서 장치를 식별하는 주소 (예: 192.168.0.10) |
| Subnet Mask | 같은 네트워크에 속한 범위를 결정 (예: /24 → 255.255.255.0) |
| Gateway | 외부 네트워크(인터넷)로 나갈 때 경유하는 장비 주소 |
| DNS | 도메인 이름을 IP 주소로 변환하는 시스템 (예: google.com → 142.250.206.14) |
# ip address출력 예시:
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: enp5s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:25:90:e0:b6:0e brd ff:ff:ff:ff:ff:ff
inet6 fe80::431:653a:1a13:2485/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: enp5s0f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:25:90:e0:b6:0f brd ff:ff:ff:ff:ff:ff
inet6 fe80::225:90ff:fee0:b60f/64 scope link noprefixroute
valid_lft forever preferred_lft forever# ip address add 192.168.204.245/24 dev enp5s0f0# ip route add default via 192.168.204.254# ip address show enp5s0f0출력 예시:
2: enp5s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:25:90:e0:b6:0e brd ff:ff:ff:ff:ff:ff
inet 192.168.204.245/24 scope global enp5s0f0
valid_lft forever preferred_lft forever# ip route show출력 예시:
default via 192.168.204.254 dev enp5s0f0<br>192.168.204.0/24 dev enp5s0f0 proto kernel scope link src 192.168.204.245# dnf -y install net-tools# ifconfig enp5s0f0 192.168.204.245 netmask 255.255.255.0 up# route add default gw 192.168.204.254# ifconfig enp5s0f0 출력 예시:
enp5s0f0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.204.245 netmask 255.255.255.0 broadcast 192.168.204.255
inet6 fe80::431:653a:1a13:2485 prefixlen 64 scopeid 0x20<link>
ether 00:25:90:e0:b6:0e txqueuelen 1000 (Ethernet)
RX packets 631 bytes 46002 (44.9 KiB)
RX errors 0 dropped 35 overruns 0 frame 0
TX packets 52 bytes 7700 (7.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<br> device memory 0xb7220000-b723ffff# nmcli connection show출력 예시:
NAME UUID TYPE DEVICE
enp5s0f1 7c06e8db-317c-363e-8e16-626c230a063e ethernet enp5s0f1
Wired connection 1 d79c523e-cdeb-315e-8f21-700982053ce2 ethernet enp5s0f0
lo 6f1d88e3-1cb0-4b07-ae50-3c570cc8ea51 loopback lo# nmcli device status출력 예시:
DEVICE TYPE STATE CONNECTION
enp5s0f0 ethernet connecting (getting IP configuration) Wired connection 1
enp5s0f1 ethernet connecting (getting IP configuration) enp5s0f1
lo loopback connected (externally) lo# nmcli device modify enp5s0f0 ipv4.addresses 192.168.204.245/24
# nmcli device modify enp5s0f0 ipv4.gateway 192.168.204.254
# nmcli device modify enp5s0f0 ipv4.dns 168.126.63.1
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