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ネットワーク関連のコマンドまとめ

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ping

ネットが繋がるか調べる。

ping -c 3 8.8.8.8  

traceroute

通信経路のルーターを調べる。

traceroute -I  8.8.8.8

ip

端末のipアドレスとかルーティングテーブルを調べる。

ip address show
ip route show

tcpdump

通信してるかを見る。

sudo tcpdump -tn -i any icmp
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