{"blog_title":"ablog","author_url":"https://blog.hatena.ne.jp/yohei-a/","type":"rich","blog_url":"https://yohei-a.hatenablog.jp/","image_url":null,"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20130421%2F1366527908\" title=\"\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092 down \u3059\u308b\u3068\u304d\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u8abf\u3079\u3066\u307f\u305f - ablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://yohei-a.hatenablog.jp/entry/20130421/1366527908","categories":["Linux"],"title":"\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092 down \u3059\u308b\u3068\u304d\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u8abf\u3079\u3066\u307f\u305f","provider_url":"https://hatena.blog","width":"100%","provider_name":"Hatena Blog","author_name":"yohei-a","published":"2013-04-21 16:05:08","version":"1.0","description":"strace \u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9 down \u3059\u308b\u6642\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u53d6\u5f97\u3059\u308b\u3002 [root@localhost ~]# strace -tf -o strace.log ifconfig eth0 down \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u3002 [root@localhost ~]# less strace.log 3096 23:36:01 execve(\"/sbin/ifconfig\", [\"ifconfig\", \"eth0\", \"down\"], [/* 19 vars */]) = 0 3096 23:36:01 brk(0) = 0x8c5e000 3096 23:36:01 access(\"/\u2026"}