{"id":5691,"date":"2020-08-24T16:48:13","date_gmt":"2020-08-24T07:48:13","guid":{"rendered":"https:\/\/arakoki70.com\/?p=5691"},"modified":"2022-07-28T11:32:33","modified_gmt":"2022-07-28T02:32:33","slug":"raspberry-pi-4-%e3%83%87%e3%82%b8%e3%82%bf%e3%83%ab%e6%99%82%e8%a8%88%e3%81%ae%e6%99%82%e5%88%bb%e3%82%92%e5%90%88%e3%82%8f%e3%81%9b%e3%82%8b","status":"publish","type":"post","link":"https:\/\/arakoki70.com\/?p=5691","title":{"rendered":"Raspberry Pi 4 \u30c7\u30b8\u30bf\u30eb\u6642\u8a08\u306e\u6642\u523b\u3092\u5408\u308f\u305b\u308b"},"content":{"rendered":"<div style=\"background: #f5f5f5; padding: 10px; border: 2px solid #800000; text-align: center; box-shadow: 5px 5px 5px #aaa; font-size: 16px;\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-size: 12pt;\">Raspberry Pi \u904b\u7528\u30fb\u7ba1\u7406<\/span><br \/>\r\nNTP\u3067\u306e\u6642\u523b\u5408\u308f\u305b<\/strong><\/span><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u3053\u306e\u6240\u300cSD Card Copier\u300d\u3092\u4f7f\u3046\u6a5f\u4f1a\u304c\u5897\u3048\u3001\u300cX Window\u300d\u3067\u4f5c\u696d\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304b\u3089\u3001Raspberry Pi 4 \u306e\u300c\u30c7\u30b8\u30bf\u30eb\u6642\u8a08\u300d\u304c\u5408\u3063\u3066\u3044\u306a\u3044\u3053\u3068\u306b\u3001\u4eca\u66f4\u306a\u304c\u3089\u6c17\u4ed8\u304f\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div><a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0001.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0001\" data-rl_caption=\"\" title=\"raspi-time_0001\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5700\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0001.png\" alt=\"Raspberry Pi 4 \u306e\u300c\u30c7\u30b8\u30bf\u30eb\u6642\u8a08\u300d\" width=\"800\" height=\"600\" srcset=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0001.png 800w, https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0001-768x576.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/a><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u4ee5\u4e0b\u3001Raspberry Pi \u306e\u6642\u523b\u3092\u5408\u308f\u305b\u3092\u884c\u3063\u305f\u8a18\u9332\u3002<\/div>\r\n<div><!--more--><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\t<p>&nbsp;<\/p>\n\t<div align=\"center\" style=\"font-size:8pt;\">\u30b9\u30dd\u30f3\u30b5\u30fc \u30ea\u30f3\u30af<br \/>\n<!-- \t<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script> -->\n\t<!-- \u8a18\u4e8b\u30fb\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6-7 -->\n\t<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-3816629014893825\"\n     data-ad-slot=\"1428770894\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n\t<script>\n\t(adsbygoogle = window.adsbygoogle || []).push({});\n\t<\/script>\n\t<amp-ad width=\"100vw\" height=\"320\"\n     type=\"adsense\"\n     data-ad-client=\"ca-pub-3816629014893825\"\n     data-ad-slot=\"1428770894\"\n     data-auto-format=\"rspv\"\n     data-full-width=\"\">\n\t <div overflow=\"\"><\/div>\n\t<\/amp-ad>\n\t<\/div>\n\t<p>&nbsp;<\/p>\n<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #c0c0c0; padding: 7px; background: #f5f5f5; border-radius: 8px; position: relative; top: 0px; font-family: Arial, Helvetica, sans-serif; font-size: 16px;\">\r\n<div><strong><span style=\"font-size: 14pt;\">\u3000\u76ee\u3000\u6b21<\/span><\/strong><\/div>\r\n<div style=\"margin-left: 20pt; line-height: 200%;\"><span style=\"color: magenta;\">1.\u3000<\/span><a href=\"#title1\"><strong>Raspberry Pi \u306e\u6642\u8a08<\/strong><\/a><br \/>\r\n<span style=\"color: magenta;\">2.\u3000<\/span><a href=\"#title2\"><strong>\u624b\u52d5\u306b\u3088\u308b\u6642\u523b\u5408\u308f\u305b<\/strong><\/a><br \/>\r\n<span style=\"color: magenta;\">3.\u3000<\/span><a href=\"#title3\"><strong>NTP\u306b\u3088\u308b\u6642\u523b\u5408\u308f\u305b<\/strong><\/a><\/div>\r\n<\/div>\r\n<div>\u00a0<\/div>\r\n<div id=\"title1\">\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #800000; padding: 5px 10px 3px 10px; background: #c5ff88;\"><strong>1. Raspberry Pi \u306e\u6642\u8a08<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u3010<strong>timedatectl<\/strong>\u3011\u30b3\u30de\u30f3\u30c9\uff1a\u6642\u523b\u3084\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u8868\u793a\uff0f\u8a2d\u5b9a\u3002<br \/>\r\n<a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0011.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0011\" data-rl_caption=\"\" title=\"raspi-time_0011\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5693\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0011.png\" alt=\"\u3010timedatectl\u3011\u30b3\u30de\u30f3\u30c9\" width=\"600\" height=\"192\" \/><\/a><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u3010timedatectl\u3011\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3059\u308b\u3068\u3001\u65e5\u6642\u304c\u305a\u308c\u3066\u304a\u308a\u3001\u300cRTC time\u300d\u304c\u3010 <span style=\"color: #ff0000;\"><strong>n\/a<\/strong> <\/span>\u3011\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #800000; padding: 10px; background: #fff0f5; text-align: center;\"><strong>Raspberry Pi \u306f\u3001RTC\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u3002<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<blockquote cite=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%83%AA%E3%82%A2%E3%83%AB%E3%82%BF%E3%82%A4%E3%83%A0%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF\r\n\">\r\n<p>\u3000<strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30af\u30ed\u30c3\u30af<\/strong>\uff08real-time clock\u3001<span style=\"color: #ff0000;\"><strong>RTC<\/strong><\/span>\u3068\u7565\u8a18\uff09\u3068\u306f<br \/>\r\n\u3000\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306a\u3069\u304c\u5185\u8535\u3059\u308b\u6642\u8a08\u3084\u3001\u305d\u306e\u6a5f\u80fd\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u96c6\u7a4d\u56de\u8def(IC)\u306e\u3053\u3068\u3092\u6307\u3059\u3002<br \/>\r\n\u3000\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30af\u30ed\u30c3\u30af\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u96fb\u6e90\u304c\u5207\u3089\u308c\u3066\u3044\u3066\u3082\u30d0\u30c3\u30c6\u30ea\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306a\u3069\u306b\u3088\u308a\u300c\u6642\u523b\u300d\u3092\u523b\u307f\u7d9a\u3051\u308b\u3053\u3068\u304c\u7279\u5fb4\u3067\u3042\u308b\u3002<br \/>\r\n\u3000\u3053\u308c\u306b\u5bfe\u3057\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u6301\u3064\u6642\u523b\u6a5f\u80fd(\u4ee5\u4e0b\u30b7\u30b9\u30c6\u30e0\u6642\u523b)\u306f\u30bf\u30a4\u30de\u30fc\u306b\u3088\u308a\u300c\u6642\u9593\u300d\u3092\u6e2c\u5b9a\u3057\u305d\u308c\u3092\u7a4d\u7b97\u3059\u308b\u3082\u306e\u3067\u3001\u5206\u89e3\u80fd\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30af\u30ed\u30c3\u30af\u306b\u52dd\u308b\u304c\u3001\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3059\u308b\u3068\u6642\u523b\u60c5\u5831\u304c\u5931\u308f\u308c\u3001\u6b21\u306b\u30b7\u30b9\u30c6\u30e0\u3092\u8d77\u52d5\u3057\u305f\u3068\u304d\u306bRTC\u3092\u53c2\u7167\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\r\n<footer><cite><a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%83%AA%E3%82%A2%E3%83%AB%E3%82%BF%E3%82%A4%E3%83%A0%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF\r\n\"> \u5f15\u7528\u5143\uff1a\u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2\uff08Wikipedia\uff09 <\/a><\/cite><\/footer>\r\n<\/blockquote>\r\n<div>\u00a0<\/div>\r\n<div>\u6642\u8a08\u56de\u8def\u304c\u306a\u3044 Raspberry Pi \u306f\u3001\u96fb\u6e90\u3092OFF\u306b\u3059\u308b\u3068\u6642\u8a08\u304c\u6b62\u307e\u308a\u3001\u6b21\u306bON\u306b\u3057\u305f\u3068\u304d\u306b\u306f\u3001\u524d\u56deOFF\u306b\u3057\u305f\u6642\u523b\u304b\u3089\u6642\u8a08\u304c\u518d\u958b\u3059\u308b\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>Raspberry Pi \u306b\u306f\u3001RTC \u304c\u7121\u3044\u4ee3\u308f\u308a\u306b\u64ec\u4f3c\u7684\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30af\u30ed\u30c3\u30af\u3092\u5b9f\u73fe\u3059\u308b\u300c<strong>fake-hwclock<\/strong>\u300d\u304c\u5b58\u5728\u3059\u308b\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u3053\u306e\u300cfake-hwclock\u300d\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3001\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u6642\u306b\u73fe\u5728\u306e\u6642\u523b\u3092\u8a18\u9332\u3057\u3001\u8d77\u52d5\u6642(\u76f4\u5f8c)\u306b\u305d\u306e\u6642\u523b\u304b\u3089\u59cb\u3081\u308b\u3068\u3044\u3046\u51e6\u7406\u3092\u884c\u3046\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #800000; padding: 10px; background: #FFF0F5;\">\u2605\u300eRaspberry Pi\u306f\u3001\u6a19\u6e96\u3067\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3068\u3001\u81ea\u52d5\u3067\u6642\u523b\u5408\u308f\u305b\u304c\u884c\u308f\u308c\u308b\u300f\u30fb\u30fb\u30fb\u306f\u3001\u30db\u30f3\u30c8\u304b\uff1f<br \/>\r\n\u2605\u300e\u521d\u671f\u8a2d\u5b9a\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7684\u306b\u9060\u3044Debian\u6a19\u6e96\u306eNTP\u30b5\u30fc\u30d0\u30fc\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u300f\u30fb\u30fb\u30fb\u306f\u3001\u30db\u30f3\u30c8\u304b\uff1f<\/div>\r\n<div>\u00a0<\/div>\r\n<div id=\"title2\">\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #800000; padding: 5px 10px 3px 10px; background: #c5ff88;\"><strong>2. \u624b\u52d5\u306b\u3088\u308b\u6642\u523b\u5408\u308f\u305b<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u3010<strong>date<\/strong>\u3011\u30b3\u30de\u30f3\u30c9\uff1a\u73fe\u5728\u306e\u65e5\u6642\u3092\u8868\u793a\uff0f\u5909\u66f4\u3002<br \/>\r\n<a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0021.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0021\" data-rl_caption=\"\" title=\"raspi-time_0021\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5694\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0021.png\" alt=\"\u3010date\u3011\u30b3\u30de\u30f3\u30c9\uff1a\u73fe\u5728\u306e\u65e5\u6642\u3092\u8868\u793a\uff0f\u5909\u66f4\" width=\"600\" height=\"198\" \/><\/a><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u4e0a\u8a18\u306e\u4f8b\u306f\u3001\u73fe\u5728\u306e\u65e5\u6642\u3092\u8868\u793a\u3057\u305f\u5f8c\u3001\u5909\u66f4\u3092\u884c\u3063\u305f\u7d50\u679c\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u6642\u523b\u3092\u30bb\u30c3\u30c8\u3059\u308b\u8a18\u8ff0\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>sudo date --set='yyyy\/mm\/dd <span style=\"color: #ff00ff;\">hh:mm:ss<\/span>'<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div id=\"title3\">\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #800000; padding: 5px 10px 3px 10px; background: #c5ff88;\"><strong>3. NTP\u306b\u3088\u308b\u6642\u523b\u5408\u308f\u305b<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"border: 1px solid #800000; padding: 10px; background: #FFF0F5;\"><strong>NTP\uff08Network Time Protocol\uff09\u3068\u306f<\/strong><br \/>\r\n\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u6642\u523b\u540c\u671f\u3092\u884c\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<blockquote>\r\n<p>\u3000<strong>Raspberry Pi\u306e\u6642\u9593\u3092\u5408\u308f\u305b\u308b\u306b\u306f<\/strong><br \/>\r\nNTP\uff08Network Time Protocol\uff09\u306e\u30c7\u30fc\u30e2\u30f3\u3092\u6d3b\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Raspbian\u306b\u306fNTP\u30c7\u30fc\u30e2\u30f3\u304c\u6700\u521d\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb <span style=\"color: #ff0000;\"><strong>\/etc\/systemd\/timesyncd.conf<\/strong> <\/span>\u3092\u7de8\u96c6\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001RTC\u3092\u6301\u305f\u306a\u3044 Raspberry Pi \u306e\u6642\u9593\u3092\u6b63\u78ba\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<\/blockquote>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u300c \/etc\/systemd\/timesyncd.conf \u300d\u306e\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>cd \/etc\/systemd<br \/>\r\nls -l timesyncd.conf*<br \/>\r\nsudo cp -p timesyncd.conf timesyncd.conf.org<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div><a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0111.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0111\" data-rl_caption=\"\" title=\"raspi-time_0111\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5695\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0111.png\" alt=\"\u300c \/etc\/systemd\/timesyncd.conf \u300d\u306e\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\" width=\"600\" height=\"100\" \/><\/a><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u300c \/etc\/systemd\/timesyncd.conf \u300d\u3092\u7de8\u96c6\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>sudo nano \/etc\/systemd\/timesyncd.conf<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u300c \/etc\/systemd\/timesyncd.conf \u300d\u306e\u521d\u671f\u72b6\u614b\u3002<br \/>\r\n<a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0121.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0121\" data-rl_caption=\"\" title=\"raspi-time_0121\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5696\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0121.png\" alt=\"\u300c \/etc\/systemd\/timesyncd.conf \u300d\u306e\u521d\u671f\u72b6\u614b\" width=\"600\" height=\"390\" \/><\/a><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u300eDebian\u6a19\u6e96\u306eNTP\u30b5\u30fc\u30d0\u30fc\u3092\u53c2\u7167\u300f\u306f\u3001\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3055\u308c\u3066\u3044\u308b\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u8ffd\u8a18\u5185\u5bb9\u3002<\/div>\r\n<pre><code class=\"hljs \">NTP=ntp.jst.mfeed.ad.jp ntp.nict.jp\r\nFallbackNTP=time.google.com<\/code><\/pre>\r\n<p><a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0131.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0131\" data-rl_caption=\"\" title=\"raspi-time_0131\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5697\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0131.png\" alt=\"NTP=ntp.jst.mfeed.ad.jp ntp.nict.jp FallbackNTP=time.google.com\" width=\"600\" height=\"390\" \/><\/a><\/p>\r\n<div>\u00a0<\/div>\r\n<div>\u53c2\u7167\u3059\u308bNTP\u30b5\u30fc\u30d0<\/div>\r\n<pre><code class=\"hljs css\">\u30fb<span class=\"hljs-selector-tag\">ntp<\/span><span class=\"hljs-selector-class\">.nict<\/span><span class=\"hljs-selector-class\">.jp<\/span>\uff1a<span class=\"hljs-selector-tag\">jpnict<\/span>\u516c\u958b\u306e\u65e5\u672c\u306e<span class=\"hljs-selector-tag\">NTP<\/span>\u306e\u5143\u7de0\u3081\u3002\r\n\u30fb<span class=\"hljs-selector-tag\">ntp<\/span><span class=\"hljs-selector-class\">.jst<\/span><span class=\"hljs-selector-class\">.mfeed<\/span><span class=\"hljs-selector-class\">.ad<\/span><span class=\"hljs-selector-class\">.jp<\/span>\uff1a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30de\u30eb\u30c1\u30d5\u30a3\u30fc\u30c9(<span class=\"hljs-selector-tag\">MFEED<\/span>) \u6642\u523b\u60c5\u5831\u63d0\u4f9b\u30b5\u30fc\u30d3\u30b9 <span class=\"hljs-selector-tag\">for<\/span> <span class=\"hljs-selector-tag\">Public<\/span> \u3067\u30012<span class=\"hljs-selector-tag\">nd<\/span>\u306e<span class=\"hljs-selector-tag\">NTP<\/span>\u30d7\u30ed\u30d0\u30a4\u30c0\u3068\u3057\u3066\u6709\u540d\u3002\r\n\u30fb<span class=\"hljs-selector-tag\">time<\/span><span class=\"hljs-selector-class\">.google<\/span><span class=\"hljs-selector-class\">.com<\/span>\uff1a<span class=\"hljs-selector-tag\">Google<\/span>\u3055\u3093\u3002\r\n<\/code><\/pre>\r\n<div>\u00a0<\/div>\r\n<div>NTP\u306e\u6709\u52b9\u5316\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>sudo timedatectl set-ntp true<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u30c7\u30fc\u30e2\u30f3\u3092\u518d\u30ed\u30fc\u30c9\u3057\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u518d\u8d77\u52d5\u3092\u884c\u3046\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>sudo systemctl daemon-reload<br \/>\r\nsudo systemctl restart systemd-timesyncd.service<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\"time\"\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u78ba\u8a8d\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>ps -ax | grep \"time\"<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div><a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0141.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0141\" data-rl_caption=\"\" title=\"raspi-time_0141\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5698\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0141.png\" alt=\"\u30d7\u30ed\u30bb\u30b9\u306e\u78ba\u8a8d\" width=\"600\" height=\"110\" \/><\/a><\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u30b5\u30fc\u30d3\u30b9\u306e\u78ba\u8a8d\u3002<\/div>\r\n<div style=\"border: 1px solid #4169e1; padding: 5px 10px 3px 10px; background: #f0f8ff; border-radius: 5px; position: relative; top: 0px;\"><strong>sudo systemctl status systemd-timesyncd<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div><a href=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0151.png\" data-rel=\"lightbox-gallery-YoF4vRQm\" data-rl_title=\"raspi-time_0151\" data-rl_caption=\"\" title=\"raspi-time_0151\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5692\" src=\"https:\/\/arakoki70.com\/wp-content\/uploads\/2020\/08\/raspi-time_0151.png\" alt=\"\u30b5\u30fc\u30d3\u30b9\u306e\u78ba\u8a8d\" width=\"600\" height=\"244\" \/><\/a><br \/>\r\n\u300cq\u300d\u3092\u5165\u529b\u3059\u308b\u3068\u7d42\u4e86\u3002<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\u00a0<\/div>\r\n<div style=\"text-align: right;\">\u4ee5\u4e0a\u3002<br \/>\r\n(2020.08.24)<\/div>\r\n<div style=\"clear: both;\">\u00a0<\/div>\r\n<div>\t<p>&nbsp;<\/p>\n\t<div align=\"center\" style=\"font-size:8pt;\">\u30b9\u30dd\u30f3\u30b5\u30fc \u30ea\u30f3\u30af<br \/>\n<!-- \t<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script> -->\n\t<!-- \u8a18\u4e8b\u30fb\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6-7 -->\n\t<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-3816629014893825\"\n     data-ad-slot=\"1428770894\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n\t<script>\n\t(adsbygoogle = window.adsbygoogle || []).push({});\n\t<\/script>\n\t<amp-ad width=\"100vw\" height=\"320\"\n     type=\"adsense\"\n     data-ad-client=\"ca-pub-3816629014893825\"\n     data-ad-slot=\"1428770894\"\n     data-auto-format=\"rspv\"\n     data-full-width=\"\">\n\t <div overflow=\"\"><\/div>\n\t<\/amp-ad>\n\t<\/div>\n\n\t<p>&nbsp;<\/p>\n\n\t<p align=\"center\">\n\t<amp-social-share type=\"email\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"facebook\" data-param-app_id=\"131027923993169\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"linkedin\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"pinterest\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"tumblr\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"twitter\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"whatsapp\"><\/amp-social-share>\n\t&nbsp;<amp-social-share type=\"line\"><\/amp-social-share>\n\t<\/p>\n\n\t<p>&nbsp;<\/p>\n\t\n\t<!-- \u95a2\u9023\u30fb\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6 kanren-70 -->\n\t<div align=\"center\">\n\t\n\t<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-format=\"autorelaxed\"\n     data-ad-client=\"ca-pub-3816629014893825\"\n     data-ad-slot=\"8839675487\"><\/ins>\n\t<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n\t<\/script>\n\t\n\t<amp-ad width=\"100vw\" height=\"320\"\n\t\ttype=\"adsense\"\n\t\tdata-ad-client=\"ca-pub-3816629014893825\"\n\t\tdata-ad-slot=\"8839675487\"\n\t\tdata-auto-format=\"mcrspv\"\n\t\tdata-full-width=\"\">\n\t\t<div overflow=\"\"><\/div>\n\t<\/amp-ad>\n\t\n\t<\/div>\n\t\n\t<div> <\/div>\n\n\t<p>&nbsp;<\/p>\n<\/div>\r\n<div>\u00a0<\/div>","protected":false},"excerpt":{"rendered":"Raspberry Pi \u904b\u7528\u30fb\u7ba1\u7406 NTP\u3067\u306e\u6642\u523b\u5408\u308f\u305b \u00a0 \u3053\u306e\u6240\u300cSD Card Copier\u300d\u3092\u4f7f\u3046\u6a5f\u4f1a\u304c\u5897\u3048\u3001\u300cX Window\u300d\u3067\u4f5c\u696d\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304b\u3089\u3001Raspberry Pi 4 \u306e\u300c\u30c7\u30b8\u30bf\u30eb\u6642\u8a08\u300d\u304c\u5408 &hellip; <p class=\"link-more\"><a href=\"https:\/\/arakoki70.com\/?p=5691\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;Raspberry Pi 4 \u30c7\u30b8\u30bf\u30eb\u6642\u8a08\u306e\u6642\u523b\u3092\u5408\u308f\u305b\u308b&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>","protected":false},"author":1,"featured_media":5700,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-5691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-02raspiunyou"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi 4 \u30c7\u30b8\u30bf\u30eb\u6642\u8a08\u306e\u6642\u523b\u3092\u5408\u308f\u305b\u308b - \u30a2\u30e9\u30b3\u30ad\u304b\u3089\u306e Raspberry Pi \u96fb\u5b50\u5de5\u4f5c<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/arakoki70.com\/?p=5691\" 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