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Last active February 17, 2026 06:48
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wifi確認のメモ
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memo.md

Ubuntu / Debian で、コマンドでネットワーク周りを調べるためのコマンドのメモ。

飛んでる WIFI の一覧

$ nmcli dev wifi

nameserver の確認

$ cat /etc/resolv.conf

IP などの確認

$ ifconfig

同一Network内で使用されているIP/MACアドレスの一覧を取得

$ cd /tmp
# arp-scan -I eth0 -l

ネットワーク経路の確認

$ traceroute example.com
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