{"blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01","author_name":"takuya_1st","url":"https://takuya-1st.hatenablog.jp/entry/2016/04/07/024517","image_url":null,"author_url":"https://blog.hatena.ne.jp/takuya_1st/","height":"190","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","published":"2016-04-07 02:45:17","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2016%2F04%2F07%2F024517\" title=\" Kernel.exec \u306e\u7b2c\uff12\u5f15\u6570\u3092\u4f7f\u3063\u305f\u3001\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u306e\u30b5\u30f3\u30d7\u30eb - \u305d\u308c\u30de\u30b0\u3067\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["ruby"],"title":" Kernel.exec \u306e\u7b2c\uff12\u5f15\u6570\u3092\u4f7f\u3063\u305f\u3001\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u306e\u30b5\u30f3\u30d7\u30eb","width":"100%","blog_url":"https://takuya-1st.hatenablog.jp/","description":"exec \u306e\u5f15\u6570\u306b\u3064\u3044\u3066 \uff11\u3064\u3060\u3051\u306a\u3089\u3001\u554f\u984c\u306a\u3044\u3002 Kernel.exec(\"ls\") \uff12\u3064\u306b\u306a\u308b\u3068\u30fb\u30fb\u30fb Kernel.exec(\"ls -lt \") \u305f\u3060\u3057\u3001\u3053\u308c\u306f\u30b7\u30a7\u30eb\u7d4c\u7531\u306e\u547c\u3073\u51fa\u3057\u3002 \uff13\u3064\u306b\u306a\u308b\u3068\u30fb\u30fb\u30fb Kernel.exec(\"ls -lt /\") \u3053\u308c\u3082\u30b7\u30a7\u30eb\u7d4c\u7531\u306e\u547c\u3073\u51fa\u3057 \u30b7\u30a7\u30eb\u7d4c\u7531\u3063\u3066\u306e\u306f\u3001sh \u306b\u5f15\u6570\u3092\u4e0e\u3048\u3066\u3001\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u3002 \u3060\u304b\u3089\u3001\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u898b\u308b\u3068 sh \u304c\u4e2d\u9593\u306b\u3044\u308b\u3002 \u30b7\u30a7\u30eb\u7d4c\u7531\u3067\u547c\u3073\u51fa\u3057\u30b5\u30f3\u30d7\u30eb Kernel.exec(\"sleep 10 \") \u5b9f\u884c\u3057\u3066\u3001ps \u3092\u898b\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002 0279 pts/0 Ss 0:00 \\_ -bash #ruby \u3092\u5b9f\u884c\u2026","version":"1.0"}