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[Rocky9] nmtui 고정 IP 설정

1. 버전

– Rocky-9.2

2. 설명

2-1. nmtui 란?

NetworkManager를 위한 간단한 TUI(텍스트 사용자 인터페이스) 입니다.

3. nmtui

3-1. NetworkManager 확인

# systemctl status NetworkManager

● NetworkManager.service - Network Manager
     Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled>
     Active: **active** (running) since Wed 2023-09-20 04:56:49 EDT; 1h 47min ago
       Docs: man:NetworkManager(8)
   Main PID: 899 (NetworkManager)
      Tasks: 3 (limit: 48928)
     Memory: 11.3M
        CPU: 16.847s
     CGroup: /system.slice/NetworkManager.service
             └─899 /usr/sbin/NetworkManager --no-daemon

3-2. 고정 IP 설정

# nmtui

Edit a connection 선택합니다.

사용하실 Ethernet을 선택합니다.

IPv4 CONFIGURATION을 Manual로 변경합니다.
고정으로 설정하실 IP를 입력해 주시면 됩니다.

Activate a connection을 선택합니다.

사용하시려는 Ethernet 앞에 * 표시가 있으면 활성화된 상태입니다.

설정이 완료되었으면 Quit를 선택하여 nmtui를 종료합니다.

3-3. 확인

# ifconfig

ens32: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.204.220  netmask 255.255.255.0  broadcast 192.168.204.255
        ether 00:0c:29:c1:4d:d8  txqueuelen 1000  (Ethernet)
        RX packets 188900  bytes 12431251 (11.8 MiB)
        RX errors 0  dropped 48  overruns 0  frame 0
        TX packets 403  bytes 60585 (59.1 KiB)
        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 412  bytes 38320 (37.4 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 412  bytes 38320 (37.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

# ping google.com

64 bytes from syd09s13-in-f14.1e100.net (172.217.25.174): icmp_seq=1 ttl=55 time=29.1 ms
64 bytes from sin01s16-in-f14.1e100.net (172.217.25.174): icmp_seq=2 ttl=55 time=29.0 ms
64 bytes from syd09s13-in-f14.1e100.net (172.217.25.174): icmp_seq=3 ttl=55 time=29.1 ms

seuheu