{"url":"https://tako-eng.hatenablog.com/entry/2019/11/20/114000","type":"rich","width":"100%","image_url":null,"title":"\u79d2\u6570\u6307\u5b9a\u3067cron\u3059\u308b\u65b9\u6cd5\u306f","categories":["Linux","\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8"],"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/tako_eng/","provider_name":"Hatena Blog","published":"2019-11-20 11:40:00","blog_url":"https://tako-eng.hatenablog.com/","description":"30\u79d2\u3054\u3068\u306bcron\u3055\u305b\u305f\u3044 \u3053\u308c\u3067\u3067\u304d\u305f\u3093\u3060\u3051\u3069\u3001 * * * * * for i in `seq 0 30 59`;do (sleep ${i} ; sh /home/foouser/bar.sh ) & done; 30\u79d2\u3054\u3068\u306a\u306e\u306b0 30 59 \u304c\u3042\u308b\u3063\u3066\u306a\u306b\uff1f3\u56de\u5b9f\u884c\u3055\u308c\u3093\u306e\u304b\uff1f \u3068\u601d\u3063\u3066\u5b9f\u969b\u306bcron\u8a2d\u5b9a\u3057\u3066\u307f\u305f\u3089\u3001\u3084\u3063\u3071\u308a30\u79d2\u304a\u304d\u306b\u306a\u3063\u305f\u3093\u3060\u3088\u306d\u3002 \u306a\u3093\u3067\u3060\u308d\u30fc\uff1f\u3068\u601d\u3063\u305f\u3089\u89aa\u5207\u306a\u3072\u3068\u304c\u6559\u3048\u3066\u304f\u308c\u305f\u3002 seq 0 30 59\u306f\u30010\u304b\u308959\u307e\u306730\u305a\u3064\u5897\u52a0\u3059\u308b\u6570\u5b57\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u308b\u30b3\u30de\u30f3\u30c9\u306a\u306e\u3067\u3001\u305d\u306e\u307e\u307e\u30b3\u30de\u30f3\u30c9\u3068\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u304c\u30010\u306830\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002for\u6587\u306fi=0\u2026","author_name":"tako_eng","blog_title":"blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftako-eng.hatenablog.com%2Fentry%2F2019%2F11%2F20%2F114000\" title=\"\u79d2\u6570\u6307\u5b9a\u3067cron\u3059\u308b\u65b9\u6cd5\u306f - blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","height":"190"}