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接続確認2
IPアドレスも分かります
iex(8)> ifconfig
lo: flags=[:up, :loopback, :running]
inet 127.0.0.1 netmask 255.0.0.0
eth0: flags=[:up, :broadcast, :running, :multicast] ← 有線LAN
inet 192.168.0.4 netmask 255.255.255.0 broadcast 192.168.0.255
wlan0: flags=[:up, :broadcast, :running, :multicast] ← 無線LAN
inet 192.168.11.100 netmask 255.255.255.0 broadcast 192.168.11.255
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