{"blog_url":"https://neal.hatenablog.com/","version":"1.0","url":"https://neal.hatenablog.com/entry/2013/12/24/132049","categories":["\u30cd\u30c3\u30c8\u30ef\u30fc\u30af"],"provider_name":"Hatena Blog","title":"\u81ea\u5b85\u30eb\u30fc\u30bf\u306e\u30ed\u30b0\u76e3\u8996","author_url":"https://blog.hatena.ne.jp/nealsato/","blog_title":"Neal Sato's blog","provider_url":"https://hatena.blog","author_name":"nealsato","image_url":null,"published":"2013-12-24 13:20:49","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fneal.hatenablog.com%2Fentry%2F2013%2F12%2F24%2F132049\" title=\"\u81ea\u5b85\u30eb\u30fc\u30bf\u306e\u30ed\u30b0\u76e3\u8996 - Neal Sato&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","height":"190","description":"\u81ea\u5b85\u306a\u3093\u3067\u53b3\u5bc6\u306b\u76e3\u8996\u3092\u3057\u306a\u304f\u3066\u3082\u3044\u3044\u3093\u3058\u3083\u306d\uff1f\u3068\u3082\u601d\u3046\u306e\u3060\u304c\u3001\u4eba\u9593\u304c\u8a2d\u5b9a\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u4ee5\u4e0a\u3001\u3084\u3063\u3071\u308a\u4f55\u304b\u3084\u3063\u3066\u3057\u307e\u3046\u3082\u3093\u3060\u3002\u305d\u3046\u3044\u3046\u30df\u30b9\u3092\u72af\u3057\u305f\u969b\u3001\u65e9\u671f\u306b\u767a\u898b\u3059\u308b\u306b\u306f\u30ed\u30b0\u76e3\u8996\u304c\u6709\u52b9\u3002\u305f\u3060\u3001\u6bce\u65e5\u30ed\u30b0\u3092\u898b\u308b\u306e\u306f\u304b\u3063\u305f\u308b\u3044\u306e\u3067\u3001\u3053\u3093\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30af\u30ed\u30f3\u3067\u56de\u3057\u3066\u3044\u308b\u3002 #! /bin/bash day_before=`date +\"%h %e\" --date=\"-1 day\"` day_before_subject=`date +\"%Y/%m/%d\" --date=\"-1 day\"` cat /var/log/routers.1 /var/log/routers \\ | grep -e \"$day_b\u2026"}