{"id":7685,"date":"2023-10-19T18:59:03","date_gmt":"2023-10-19T09:59:03","guid":{"rendered":"https:\/\/www.tapoblog.0t0.jp\/?p=7685"},"modified":"2023-10-19T19:01:52","modified_gmt":"2023-10-19T10:01:52","slug":"proc-entropy_avail%e3%81%8c256","status":"publish","type":"post","link":"https:\/\/www.tapoblog.0t0.jp\/?p=7685","title":{"rendered":"\/proc\/\u2026\/entropy_avail\u304c256"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"300\" data-attachment-id=\"7686\" data-permalink=\"https:\/\/www.tapoblog.0t0.jp\/?attachment_id=7686\" data-orig-file=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2023\/10\/image-4.png\" data-orig-size=\"800,300\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-4\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2023\/10\/image-4.png\" src=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2023\/10\/image-4.png\" alt=\"\" class=\"wp-image-7686\" srcset=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2023\/10\/image-4.png 800w, https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2023\/10\/image-4-300x113.png 300w, https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2023\/10\/image-4-768x288.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\u4eca\u307e\u3067\u6c17\u306b\u3057\u305f\u3053\u3068\u3082\u306a\u304b\u3063\u305f\u304c\u3001Monitorix\u3067\u30b0\u30e9\u30d5\u5316\u3057\u59cb\u3081\u305f\u304a\u304b\u3052\u3067\u3001<a href=\"https:\/\/www.tapoblog.0t0.jp\/?p=7674\" data-type=\"post\" data-id=\"7674\">\u81ea\u5b85\u30b5\u30fc\u30d0\u306eOS\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7<\/a>(\u53b3\u5bc6\u306b\u306f\u30ab\u30fc\u30cd\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7)\u3092\u5883\u306b\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u304c\u4f4e\u4e0b\u3057\u3066\u305f\u3053\u3068\u306b\u6c17\u4ed8\u3044\u305f\u3002<\/p>\n\n\n\n<p>\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u3063\u3066\u4f55\u305e\u3084\uff1f\u6697\u53f7\u5316\u304c\u3089\u307f\u3060\u3063\u305f\u3063\u3051\uff1f\u3068\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u4e71\u6570\u306e\u4e88\u6e2c\u4e0d\u80fd\u6027\u307f\u305f\u3044\u306a\u3082\u306e\u3060\u305d\u3046\u306a\u3002<\/p>\n\n\n\n<p>\u306a\u306e\u3067\u3001\u6697\u53f7\u5316\u304c\u3089\u307f\u306e\u51e6\u7406(sshd\u306e\u8d77\u52d5\u3068\u304bWiFi\u95a2\u9023\u306e\u521d\u671f\u5316\u3068\u304b)\u3067\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u304c\u4e0d\u8db3\u3057\u3066\u308b\u3068\u3001\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u304c\u6e9c\u307e\u308b\u307e\u3067\u51e6\u7406\u304c\u5f85\u305f\u3055\u308c\u308b\u3001\u306a\u3093\u3066\u3053\u3068\u304c\u3042\u308b\u305d\u3046\u306a\u3002<\/p>\n\n\n\n<p>\u305d\u3046\u3044\u3048\u3070\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u4ee5\u964dOS\u8d77\u52d5\u6642\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3064\u306a\u304c\u308b\u307e\u30671\u5206\u524d\u5f8c\u5f85\u305f\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6c17\u304c\u3059\u308b\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u5bfe\u7b56\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306e\u5024\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3068\u306e\u3053\u3068\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ cat \/proc\/sys\/kernel\/random\/entropy_avail\n256<\/code><\/pre>\n\n\n\n<p>\u30b0\u30b0\u3063\u3066\u51fa\u3066\u304f\u308b\u4e8b\u4f8b\u306f\u5927\u62b52,000\u3068\u304b3,000\u3068\u304b\u3067\u30011,000\u4ee5\u4e0b\u3060\u3068\u5c11\u306a\u3044\u3068\u8a00\u308f\u308c\u3066\u308b\u306e\u306b256\u3066\u2026\u3002<\/p>\n\n\n\n<p>\u30e9\u30ba\u30d1\u30a4\u3082\u7d61\u3081\u3066\u691c\u7d22\u3059\u308b\u3068<a rel=\"noreferrer noopener\" href=\"https:\/\/www.netfort.gr.jp\/~tosihisa\/notebook\/doku.php\/raspberrypi\/log20150610_bcm2708_rng\" data-type=\"link\" data-id=\"https:\/\/www.netfort.gr.jp\/~tosihisa\/notebook\/doku.php\/raspberrypi\/log20150610_bcm2708_rng\" target=\"_blank\">\u3053\u3093\u306a\u30da\u30fc\u30b8<\/a>\u304c\u898b\u3064\u304b\u3063\u3066\u3001\u30c9\u30e9\u30a4\u30d0\u3092\u5165\u308c\u308c\u3070\u89e3\u6c7a\u3059\u308b\u307f\u305f\u3044\u306a\u3093\u3060\u304c\u3001\u3069\u3046\u3082\u6700\u65b0\u306e6.1\u30ab\u30fc\u30cd\u30eb(\u30e9\u30ba\u30d1\u30a4\u7528)\u306b\u306f\u8a72\u5f53\u306e\u30c9\u30e9\u30a4\u30d0\u304c\u305d\u3082\u305d\u3082\u898b\u5f53\u305f\u3089\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3069\u3046\u3059\u308a\u3083\u3044\u3044\u3093\u3060\u308d\u3046\u306a\u30fc\u3001\u30ab\u30fc\u30cd\u30eb\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u304b\u4eca\u66f4\u3081\u3093\u3069\u304f\u3055\u3044\u3093\u3060\u3051\u3069\u306a\u30fc\u3001\u3068\u601d\u3044\u3064\u3064\u3001\u82f1\u8a9e\u60c5\u5831\u306b\u3082\u76ee\u3092\u901a\u3057\u3066\u3044\u3063\u305f\u3089\u3001\u4f55\u306e\u3053\u3068\u306f\u306a\u3044\u3001kernel 5.17\u304b\u30895.18\u3042\u305f\u308a\u3067\u5927\u5e45\u306a\u4fee\u6b63\u304c\u3042\u3063\u3066\u3001256\u3067\u6b63\u5e38(\u5341\u5206)\u3060\u305d\u3046\u306a\u3002(\u60c5\u5831\u6e90\uff1a<a rel=\"noreferrer noopener\" href=\"https:\/\/serverfault.com\/questions\/1104576\/debian-11-low-entropy-256-even-with-haveged-and-rng-tools-on-old-laptop\" target=\"_blank\">\u3053\u3053<\/a>\u7d4c\u7531\u3067\u305f\u3069\u308a\u7740\u3044\u305f<a rel=\"noreferrer noopener\" href=\"https:\/\/www.reddit.com\/r\/archlinux\/comments\/v75t5w\/entropy_of_devrandom_stuck_at_256\/?rdt=55113\" target=\"_blank\">Redit\u306e\u6295\u7a3f<\/a>)<\/p>\n\n\n\n<p>\u3068\u306a\u308b\u3068\u3001\u8d77\u52d5\u304c\u9045\u3044\u306e\u306f\u5225\u306e\u7406\u7531\u3063\u3066\u3053\u3068\u306b\u306a\u308b\u3051\u3069\u3001\u307e\u3042\u305d\u3093\u306a\u306b\u56f0\u3063\u3066\u306a\u3044\u304b\u3089\u653e\u7f6e\u3060\u306a(\u7b11<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u307e\u3067\u6c17\u306b\u3057\u305f\u3053\u3068\u3082\u306a\u304b\u3063\u305f\u304c\u3001Monitorix\u3067\u30b0\u30e9\u30d5\u5316\u3057\u59cb\u3081\u305f\u304a\u304b\u3052\u3067\u3001\u81ea\u5b85\u30b5\u30fc\u30d0\u306eOS\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7(\u53b3\u5bc6\u306b\u306f\u30ab\u30fc\u30cd\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7)\u3092\u5883\u306b\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u304c\u4f4e\u4e0b\u3057\u3066\u305f\u3053\u3068\u306b\u6c17\u4ed8\u3044\u305f\u3002 \u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u3063\u3066\u4f55\u305e\u3084\uff1f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3],"tags":[],"class_list":{"0":"post-7685","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-3"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/posts\/7685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7685"}],"version-history":[{"count":0,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/posts\/7685\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}