{"blog_url":"https://blogs.networld.co.jp/","blog_title":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30eb\u30c9 \u3089\u307c","provider_url":"https://hatena.blog","version":"1.0","published":"2025-06-09 15:38:29","description":"\u3053\u3093\u306b\u3061\u306f\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30eb\u30c9SE\u6bbf\u8c9d\u3067\u3059\u3002 VMware by Broadcom\u306eTanzu\u88fd\u54c1\u306a\u3069Kubernetes\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u89e6\u3063\u3066\u3044\u305f\u308a\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30c6\u30ca\u5185\u3084\u8efd\u91cf\u306aLinux\u306a\u3069\u3067\u3001ping \u3084 telnet\u3001nc (netcat) \u304c\u4f7f\u3048\u306a\u3044\u3053\u3068\u3063\u3066\u3042\u308a\u307e\u3059\u3088\u306d\u3002 \u3067\u3082\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u758e\u901a\u78ba\u8a8d\u304c\u3057\u305f\u3044\u3002 \u305d\u3093\u306a\u3068\u304d\u306b\u4f7f\u3048\u308b\u5c0f\u6280\u304c bash \u306b\u5099\u308f\u3063\u3066\u3044\u308b /dev/tcp \u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u4f7f\u3044\u65b9\u3068\u3001TCP\u30fbICMP\u30fbUDP\u306e\u9055\u3044\u3082\u542b\u3081\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002 /dev/tcp/host/port \u3067\u3067\u304d\u308b\u3053\u3068 bash\u306b\u306f\u300c/dev/tcp/host/port\u300d\u3068\u3044\u3046\u7279\u6b8a\u2026","provider_name":"Hatena Blog","type":"rich","title":"ping\u304c\u306a\u304f\u3066\u3082\u758e\u901a\u78ba\u8a8d\uff01\"/dev/tcp\"\u3092\u4f7f\u3063\u3066\u307f\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblogs.networld.co.jp%2Fentry%2F2025%2F06%2F09%2F153829\" title=\"ping\u304c\u306a\u304f\u3066\u3082\u758e\u901a\u78ba\u8a8d\uff01&quot;/dev/tcp&quot;\u3092\u4f7f\u3063\u3066\u307f\u308b - \u30cd\u30c3\u30c8\u30ef\u30fc\u30eb\u30c9 \u3089\u307c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Container","Kubernetes","\u30b3\u30f3\u30c6\u30ca","k8s"],"url":"https://blogs.networld.co.jp/entry/2025/06/09/153829","height":"190","author_name":"tonogai-taiki-nw","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/networld-blog/20250711/20250711095743.png","author_url":"https://blog.hatena.ne.jp/tonogai-taiki-nw/"}