$ sudo ifconfig eth0 down
$ ifconfig
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether b8:27:eb:49:40:35 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
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 5 bytes 284 (284.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 5 bytes 284 (284.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.150 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::5a89:f9a8:2cbd:39cc prefixlen 64 scopeid 0x20<link>
inet6 2400:4060:e62:a700:cd8e:3129:6af4:817e prefixlen 64 scopeid 0x0<global>
ether b8:27:eb:1c:15:60 txqueuelen 1000 (Ethernet)
RX packets 127 bytes 11569 (11.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 132 bytes 29215 (28.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
|
$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11 ESSID:"pr500k-5a60e2-1"
Mode:Managed Frequency:2.412 GHz Access Point: 10:66:82:CC:51:22
Bit Rate=72.2 Mb/s Tx-Power=31 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=62/70 Signal level=-48 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
|
$ sudo ifconfig eth0 up
$ sudo ifconfig wlan0 down
$ ifconfig
$ ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.150 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::866a:3abe:7c6c:c5a6 prefixlen 64 scopeid 0x20<link>
inet6 2400:4060:e62:a700:51b8:7312:8a46:cec5 prefixlen 64 scopeid 0x0<global>
ether b8:27:eb:49:40:35 txqueuelen 1000 (Ethernet)
RX packets 812 bytes 126632 (123.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 431 bytes 118028 (115.2 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 5 bytes 284 (284.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 5 bytes 284 (284.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether b8:27:eb:1c:15:60 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
|
$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=31 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
|
- eth0：有線LANアダプタ
- wlan0：無線LANアダプタ
- lo (local loopback) : local host ネットワーク
127.0.0.1 : local loopback address (「localhost」)
|