{"id":10476,"date":"2012-06-30T21:00:18","date_gmt":"2012-06-30T12:00:18","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=10476"},"modified":"2012-07-31T17:46:47","modified_gmt":"2012-07-31T08:46:47","slug":"linux%e8%b5%b7%e5%8b%95%e7%94%a8usb%e3%83%a1%e3%83%a2%e3%83%aa","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/10476.html","title":{"rendered":"Linux\u8d77\u52d5\u7528USB\u30e1\u30e2\u30ea"},"content":{"rendered":"<p>Linux\u8d77\u52d5\u7528USB\u30e1\u30e2\u30ea\u306e\u4f5c\u6210\u304c\u3059\u3054\u304f\u7c21\u5358\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u306d\u3002\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u521d\u671f\u5316\u7528Linux\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3068\u4fbf\u5229\u304b\u306a\u3001\u3068\u601d\u3063\u3066Linux\u8d77\u52d5\u7528USB\u30e1\u30e2\u30ea\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n<!--more--><br \/>\n\u307e\u305a\u3001\u6e96\u5099\u3068\u3057\u3066\u300c<a href=\"http:\/\/www.ubuntulinux.jp\/\">Homepage | Ubuntu Japanese Team<\/a>\u300d\u304b\u3089\u3001Ubuntu Linux\u306eiso\u30a4\u30e1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9(\u73fe\u6642\u70b9\u3067\u306e\u6700\u65b0\u7248\u306f ubuntu-ja-12.04-desktop-i386.iso\uff08CD\u30a4\u30e1\u30fc\u30b8\uff09)\u3092\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u300c<a href=\"http:\/\/unetbootin.sourceforge.net\/\">UNetbootin &#8211; Homepage and Downloads<\/a>\u300d\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fUNetbootin\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001iso\u30a4\u30e1\u30fc\u30b8\u3092USB\u30e1\u30e2\u30ea\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002GUI\u30a2\u30d7\u30ea\u306a\u306e\u3067\u3001\u7c21\u5358\u306b\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u30c7\u30fc\u30bf\u6d88\u53bb\u306b\u306fshred\u3068dd\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u7c73\u56fd\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc(NCSC)\u65b9\u5f0fNCSC-TG-025\u6c34\u6e96\u3067\u521d\u671f\u5316\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u56fa\u5b9a\u5024\u30923\u56de\u66f8\u304d\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002\u66f8\u304d\u8fbc\u3080\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u300c\/dev\/sda\u300d\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u3092\u6b8b\u3057\u3066\u304a\u304d\u305f\u3044\u30c7\u30a3\u30b9\u30af\u304c\u3064\u3044\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u6307\u5b9a\u3092\u9593\u9055\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u30c7\u30d0\u30a4\u30b9\u3092\u77e5\u308b\u65b9\u6cd5\u306f\u5f8c\u8ff0\uff09\u3002shred\u3067-z\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3061\u3089\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u66f8\u304d\u8fbc\u307f\u309225\u56de\u884c\u3044\u3001\u6700\u5f8c\u306bNULL\uff080\uff09\u3092\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002\u3069\u3053\u307e\u3067\u3084\u308b\u304b\u306f\u3001\u6642\u9593\u3068\u306e\u76f8\u8ac7\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ sudo shred -n 3 -v \/dev\/sda\r\n$ sudo shred -z -v \/dev\/sda\r\n<\/pre>\n<p>dd\u3067\u3082\u540c\u3058\u4e8b\u304c\u3067\u304d\u307e\u3059\uff08z\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u5225\u3067\u3059\uff09\u3002\u666e\u901a\u306b\u4f7f\u3046\u3068\u6027\u80fd\u304c\u3067\u306a\u3044\u306e\u3067\u3001bs(\u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30ba)\u6307\u5b9a\u3067\u3042\u308b\u7a0b\u5ea6\u306e\u5927\u304d\u3055\u3092\u6307\u5b9a\u3057\u305f\u65b9\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1; highlight: []; html-script: false\">\r\n$ sudo dd if=\/dev\/urandom of=\/dev\/sda bs=64MB\r\n$ sudo dd if=\/dev\/urandom of=\/dev\/sda bs=64MB\r\n$ sudo dd if=\/dev\/urandom of=\/dev\/sda bs=64MB\r\n<\/pre>\n<p>\u30c7\u30d0\u30a4\u30b9\u3092\u77e5\u308b\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001dmesg\u3092\u307f\u305f\u308a\u3001\/proc\/diskstats \u3092\u307f\u305f\u308a\u3057\u307e\u3059\u3002dmesg\u3067\u3042\u308c\u3070\u3001\u4e0b\u8a18\u3067\/dev\/sda\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ sudo dmesg | grep &quot;disk&quot;\r\n[    1.252384] sd 0:0:0:0: [sda] Attached SCSI disk\r\n<\/pre>\n<p>\/proc\/diskstats \u3067\u306f\u3001sd\u3084hd\u3092grep\u3057\u3066\u30d2\u30c3\u30c8\u3059\u308c\u3070\u3001\u308f\u304b\u308a\u307e\u3059\u3002\u4e0b\u8a18\u3067\u306fsda\u304c\u30d2\u30c3\u30c8\u3059\u308b\u306e\u3067\u3001\/dev\/sda\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002IDE\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u3060\u3068\u3001hda\u306a\u3069\u304c\u30d2\u30c3\u30c8\u3059\u308b\u306f\u305a\u3067\u3001\u305d\u306e\u5834\u5408\u306f\/dev\/hda\u306a\u3069\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ cat \/proc\/diskstats | grep sd\r\n   8      0 sda 508 12 4160 36 0 0 0 0 0 36 36\r\n$ cat \/proc\/diskstats | grep hd\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u8d77\u52d5\u7528USB\u30e1\u30e2\u30ea\u306e\u4f5c\u6210\u304c\u3059\u3054\u304f\u7c21\u5358\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u306d\u3002\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u521d\u671f\u5316\u7528Linux\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3068\u4fbf\u5229\u304b\u306a\u3001\u3068\u601d\u3063\u3066Linux\u8d77\u52d5\u7528USB\u30e1\u30e2\u30ea\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1209],"class_list":["post-10476","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/10476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=10476"}],"version-history":[{"count":5,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/10476\/revisions"}],"predecessor-version":[{"id":10725,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/10476\/revisions\/10725"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=10476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=10476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=10476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}