{"provider_name":"Hatena Blog","url":"https://moznion.hatenadiary.com/entry/2020/02/24/160906","image_url":null,"version":"1.0","published":"2020-02-24 16:09:06","blog_url":"https://moznion.hatenadiary.com/","provider_url":"https://hatena.blog","categories":[],"title":"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u7a7a\u304d\u30dd\u30fc\u30c8\u3092\u53d6\u3063\u3066\u304d\u305f\u3044\u3068\u3044\u3046\u6642","author_name":"moznion","height":"190","blog_title":"\u305d\u306e\u624b\u306e\u5e73\u306f\u5c3b\u3082\u3064\u304b\u3081\u308b\u3055","author_url":"https://blog.hatena.ne.jp/moznion/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmoznion.hatenadiary.com%2Fentry%2F2020%2F02%2F24%2F160906\" title=\"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u7a7a\u304d\u30dd\u30fc\u30c8\u3092\u53d6\u3063\u3066\u304d\u305f\u3044\u3068\u3044\u3046\u6642 - \u305d\u306e\u624b\u306e\u5e73\u306f\u5c3b\u3082\u3064\u304b\u3081\u308b\u3055\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"kazuho \u3055\u3093\u306e\u3053\u308c\u3092\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3084\u308a\u305f\u3044\u3068\u3044\u3046\u304a\u8a71\u3067\u3059\uff0ekazuhooku.hatenadiary.org\u3053\u3093\u306a\u611f\u3058: nc -l 0 & NC_PID=$! lsof -n -P -p $NC_PID | grep TCP | awk '{print $9}' | awk -F ':' '{print $2}' kill $NC_PID nc \u3067 ephemeral port \u3092 listen \u3057\u3066 (-l 0)\uff0c\u305d\u306e nc \u306e PID \u3092\u3082\u3068\u306b\u5b9f\u969b\u306b listen \u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u3092\u5f15\u3063\u5f35\u3063\u3066\u304f\u308b\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u611f\u3058\u3067\u3059\uff0e\u7279\u5225\u306a\u7406\u7531\u304c\u306a\u3051\u308c\u3070 Net::EmptyPort \u3092\u4f7f\u3048\u2026","width":"100%","type":"rich"}