{"id":3927,"date":"2024-05-17T12:43:15","date_gmt":"2024-05-17T03:43:15","guid":{"rendered":"https:\/\/studiobulk.com\/livealife\/?p=3927"},"modified":"2024-05-17T12:54:59","modified_gmt":"2024-05-17T03:54:59","slug":"crontab-%e9%80%9a%e5%b8%b8%e5%87%ba%e5%8a%9b%e3%81%a0%e3%81%91-dev-null%e3%81%97%e3%81%9f%e3%81%84%e3%81%ae%e3%81%ab%e4%b8%8a%e6%89%8b%e3%81%8f%e3%81%84%e3%81%8b%e3%81%aa%e3%81%84%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/studiobulk.com\/livealife\/2024\/05\/17\/crontab-%e9%80%9a%e5%b8%b8%e5%87%ba%e5%8a%9b%e3%81%a0%e3%81%91-dev-null%e3%81%97%e3%81%9f%e3%81%84%e3%81%ae%e3%81%ab%e4%b8%8a%e6%89%8b%e3%81%8f%e3%81%84%e3%81%8b%e3%81%aa%e3%81%84%e5%95%8f%e9%a1%8c\/","title":{"rendered":"crontab \u901a\u5e38\u51fa\u529b\u3060\u3051\/dev\/null\u3057\u305f\u3044\u306e\u306b\u4e0a\u624b\u304f\u3044\u304b\u306a\u3044\u554f\u984c\u3092\u5012\u305d\u3046\u3068\u3057\u3066\u3044\u308b"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u8abf\u67fb\u9014\u4e2d\u5831\u544a\u3001\u4ee5\u4e0b\u3067\u51fa\u3066\u304f\u308bIP\u30a2\u30c9\u30ec\u30b9\u306f\u5ff5\u70ba\u9069\u5f53\u306b\u6539\u5909\u3057\u3066\u3042\u308b\u3002<\/p>\n\n\n\n

\/bin\/sh: 1: cannot create \/var\/log\/cronmail.log: Permission denied<\/p>\n\n\n\n

\u5358\u7d14\u306b\u6587\u672b\u306b2>> \/var\/log\/cronmail.log\u3092\u8ffd\u52a0\u3057\u305f\u3060\u3051\u3067\u306f\u6a29\u9650\u304c\u306a\u3044\u3068\u6012\u3089\u308c\u308b\u30012\u306f\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3067\u901a\u5e38\u30a8\u30e9\u30fc\u51fa\u529b\u3001>>\u306f\u8ffd\u8a18\u3084\u3051\u3069\u30d5\u30a1\u30a4\u30eb\u304c\u306a\u3051\u308c\u3070\u4f5c\u6210\u3057\u3066\u4ee5\u5f8c\u8ffd\u8a18\u3057\u3066\u304f\u308c\u308b\u3001\/var\/log\/cronmail.log\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5b58\u5728\u3057\u3066\u306a\u3044\u3051\u3069\u4f5c\u6210\u3057\u3066\u304f\u308c\u308b\u306a\u3089\u554f\u984c\u306a\u3044\u306f\u305a\u3001\u3084\u3051\u3069\u6a29\u9650\u554f\u984c\u304c\u3042\u308b\u306a\u3089\u4f5c\u3063\u3066\u6a29\u9650\u4ed8\u4e0e\u3057\u305f\u65b9\u304c\u697d\u304b\u3002<\/p>\n\n\n\n

\u8151\u306b\u843d\u3061\u306a\u3044\u306e\u306f\u901a\u5e38\u30a8\u30e9\u30fc\u51fa\u529b\u3092\u6307\u5b9a\u3084\u306e\u306b\u3082\u3046\u3044\u304d\u306a\u308a\u30ed\u30b0\u51fa\u305d\u3046\u3068\u3057\u3066\u308b\u307f\u305f\u3044\uff1f\u6c17\u3065\u3044\u3066\u306a\u304b\u3063\u305f\u3051\u3069\u5b9f\u306f\u3082\u3046\u4f55\u304b\u5931\u6557\u3057\u3066\u308b\u306e\uff1f\u3068\u601d\u3063\u3066<\/p>\n\n\n\n

2>> \/var\/log\/cronmail.log\u3092<\/p>\n\n\n\n

>> \/var\/log\/cronmail.log\u306b\u5909\u3048\u3066\u307f\u308b\u3002>>\u306f1>>\u306e1\u3092\u7701\u7565\u3057\u305f\u5f62\u30011\u306f\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3067\u901a\u5e38\u51fa\u529b\u3002<\/p>\n\n\n\n

\u304c\u3001\u5909\u5316\u306a\u3057\u2026\u3069\u3046\u3044\u3046\u4e8b\uff1f\u901a\u5e38\u51fa\u529b\u3067\u3042\u308a\u901a\u5e38\u30a8\u30e9\u30fc\u51fa\u529b\u3067\u3082\u3042\u308b\u3063\u3066\u4e8b\uff1f\u305d\u3093\u306a\u4e8b\u3042\u308b\uff1f\u3093\uff1fPermission denied\u3084\u304b\u3089\u30a8\u30e9\u30fc\u3060\u3088\u3063\u3066\u4e8b\uff1f<\/p>\n\n\n\n

\u307b\u306a<\/p>\n\n\n\n

sudo nano \/var\/log\/cronmail.log<\/p>\n\n\n\n

\u9069\u5f53\u306b#\u3067\u3082\u6253\u3063\u3066\u4fdd\u5b58<\/p>\n\n\n\n

sudo chmod 666 \/var\/log\/cronmail.log<\/p>\n\n\n\n

\u3057\u305f\u3089\uff1f<\/p>\n\n\n\n

<html>\n<head>\n<title>Free Dynamic DNS (DDNS) for Home Server and VPS etc  | MyDNS.JP<\/title>\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\" \/>\n<LINK href=\".\/site.css\" rel=stylesheet type=text\/css>\n\n<\/head>\n<BODY BGCOLOR=\"#FFFFFF\"\n      TEXT=\"#304040\"\n      leftmargin=\"0\" topmargin=\"0\" marginwidth=\"0\" marginheight=\"0\"\n>\nLogin and IP address notify OK.<BR>\nlogin_status = 1.<BR>\n<BR>\n<DT>MASTERID :<\/DT><DD>mydns\u6570\u5b57\u307b\u306b\u3083\u3089\u3089<\/DD>\n<DT>REMOTE ADDRESS:<\/DT><DD>150.9.36.97<\/DD>\n<DT>ACCESS DAYTIME:<\/DT><DD>2024\/05\/17 01:57:02 UTC<\/DD>\n<DT>SERVER ADDRESS:<\/DT><DD>168.235.73.168<\/DD>\n<BR>\n\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u3053\u308c\u304c\/var\/log\/cronmail.log\u306b\u8ffd\u8a18\u3055\u308c\u305f\u3001\u3053\u308c\u304c\u6a19\u6e96\u51fa\u529b\u304b\uff01\u306a\u3093\u304b\u601d\u3063\u3066\u305f\u3093\u3068\u9055\u3046\u306a\u3001\u76f8\u5909\u308f\u3089\u305a\u30e1\u30fc\u30eb\u306f\u5c4a\u304f\u304c\u30e1\u30fc\u30eb\u306e\u884c\u6570\u304c\u6e1b\u3063\u3066\u308b\u306e\u3067\u3053\u308c\u306e\u5206\u3084\u3068\u601d\u308f\u308c\u308b\u3001\u307e\u3041\u305d\u308c\u3084\u3068\u610f\u5473\u304c\u306a\u3044\u3069\u3053\u308d\u304b1\u901a\u306e\u30e1\u30fc\u30eb\u3067\u6e08\u3093\u3067\u305f\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u3068\u51fa\u529b\u304c2\u304b\u6240\u306b\u5206\u304b\u308c\u308b\u4e8b\u306b\u306a\u3063\u3066\u53c2\u7167\u306e\u624b\u9593\u304c\u5897\u3048\u3001\u30ed\u30b0\u306b\u5fc5\u8981\u306a\u5bb9\u91cf\u3082\u5897\u3048\u308b\u3060\u3051\u306b\u306a\u308b\u306e\u3067\u30c7\u30e1\u30ea\u30c3\u30c8\u3057\u304b\u751f\u3093\u3067\u306a\u3044\u308f\u306a\u3002<\/p>\n\n\n\n
\u3067\u306f\u304a\u6b21\u306bcrontab\u306ewget\u5b9f\u884c\u6587\u672b\u306e<\/p>\n\n\n\n
>> \/var\/log\/cronmail.log\u30922>> \/var\/log\/cronmail.log\u306b\u5909\u3048\u3066\u307f\u308b\u3068\u3059\u308b\u3002<\/p>\n\n\n\n
\u3042\u308c\uff1f\u306a\u3093\u304b\u304a\u304b\u3057\u3044\u306a\uff1f<\/p>\n\n\n\n
\u5909\u66f4\u3057\u305f\u3042\u305f\u308a\u304b\u3089\u4ee5\u4e0b\u304c\u30ed\u30b0\u306b\u5410\u304b\u308c\u3066\u308b\u30be\uff1f<\/p>\n\n\n\n
--2024-05-17 11:21:01--  https:\/\/mydns\u6570\u5b57\u307b\u306b\u3083\u3089\u3089:*password*@ipv4.mydns.jp\/login.html\nipv4.mydns.jp (ipv4.mydns.jp) \u3092DNS\u306b\u554f\u3044\u3042\u308f\u305b\u3066\u3044\u307e\u3059... 81.4.119.52, 168.235.86.193, 168.235.81.33\nipv4.mydns.jp (ipv4.mydns.jp)|81.4.119.52|:443 \u306b\u63a5\u7d9a\u3057\u3066\u3044\u307e\u3059... \u63a5\u7d9a\u3057\u307e\u3057\u305f\u3002\nHTTP \u306b\u3088\u308b\u63a5\u7d9a\u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3057\u305f\u3001\u5fdc\u7b54\u3092\u5f85\u3063\u3066\u3044\u307e\u3059... 401 Unauthorized\n\u9078\u629e\u3055\u308c\u305f\u8a8d\u8a3c\u5f62\u5f0f: Basic realm=\"Enter MasterID and Password.\"\nipv4.mydns.jp:443 \u3078\u306e\u63a5\u7d9a\u3092\u518d\u5229\u7528\u3057\u307e\u3059\u3002\nHTTP \u306b\u3088\u308b\u63a5\u7d9a\u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3057\u305f\u3001\u5fdc\u7b54\u3092\u5f85\u3063\u3066\u3044\u307e\u3059... 200 OK\n\u9577\u3055: \u7279\u5b9a\u3067\u304d\u307e\u305b\u3093 [text\/html]\n\u2018STDOUT\u2019 \u306b\u4fdd\u5b58\u4e2d\n\n     0K                                                         100M=0s\n\n2024-05-17 11:21:03 (100 MB\/s) - stdout \u3078\u51fa\u529b\u3057\u307e\u3057\u305f [613]<\/code><\/pre>\n\n\n\n
\u3084\u3063\u3071\u305d\u3046\u3084\u3001cat \/var\/log\/cron.log\u3067EDIT\u306e\u30ed\u30b0\u3042\u308b\u6642\u9593\u4ee5\u964d\u304b\u3089\u5909\u308f\u3063\u3066\u308b\u308f\u3002<\/p>\n\n\n\n
\u306a\u3093\u3084\u30b3\u30ec\u3001\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u30672\u3001\u3064\u307e\u308a\u6a19\u6e96\u30a8\u30e9\u30fc\u3092\u30ed\u30b0\u306b\u5410\u304f\u3088\u3046\u306b\u3057\u305f\u3089\u30b3\u30a4\u30c4\u304c\u5410\u304b\u308c\u3066\u308b\u3066\u4e8b\u306f\u30b3\u30a4\u30c4\u304c\u6a19\u6e96\u30a8\u30e9\u30fc\u6271\u3044\u306a\u3093\uff1f\u3064\u307e\u308a1\u901a\u306e\u30e1\u30fc\u30eb\u306e\u4e2d\u8eab\u3067\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u304c\u540c\u5c45\u3057\u3066\u308b\u3063\u3066\u4e8b\uff1f<\/p>\n\n\n\n
\u307e\u3055\u304b\u300c\u9577\u3055:\u7279\u5b9a\u3067\u304d\u307e\u305b\u3093 [text\/html]\u300d\u304c\u30a8\u30e9\u30fc\u306e\u6271\u3044\u3068\u304b\u3055\u308c\u3066\u308b\uff1f\u305d\u3093\u306a\u308f\u3051\u306a\u3044\uff1f<\/p>\n\n\n\n
\u305d\u308c\u3084\u3063\u305f\u30891\u306fnull\u6368\u3066\u30012\u306f\u30e1\u30fc\u30eb\u901a\u77e5\u306a\u3093\u3066\u601d\u3044\u63cf\u3044\u3066\u308b\u3088\u3046\u306a\u51e6\u7406\u3067\u304d\u3072\u3093\u3084\u3093\uff1f\u3048\u3001\u30b3\u30ec\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u3067\u3059\u304b\u306d\uff1f<\/p>\n\n\n\n
\u3068\u308a\u3042\u3048\u305a\u300c\u9577\u3055: \u7279\u5b9a\u3067\u304d\u307e\u305b\u3093 [text\/html]\u300d\u3067\u691c\u7d22\u3057\u305f\u3089\u300c\u52d5\u7684\u30da\u30fc\u30b8\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u3066\u304b\u3089\u4f5c\u308b\u3001http head\u8981\u6c42\u306e\u5834\u5408\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u8981\u6c42\u7121\u3044\u304b\u3089\u9577\u3055\u4e0d\u5b9a\uff01\u7279\u5b9a\u306a\u3093\u3066\u7121\u7406\uff01\u300d\u3068\u306e\u4e8b\u3001\u7d42\u308f\u3063\u305f\u3084\u3093\u3051\u2026\u3044\u3084\u3001\u307e\u3060\u3042\u304d\u3089\u3081\u306a\u3044\u3002<\/p>\n\n\n\n
\u300c\u9577\u3055: \u7279\u5b9a\u3067\u304d\u307e\u305b\u3093 [text\/html]\u300d\u306e\u30a8\u30e9\u30fc\u3063\u307d\u3044\u306e\u63a2\u3057\u305f\u3089\u3001\u591a\u5206http 411\u30a8\u30e9\u30fc Length Required\u306a\u3093\u3061\u3083\u3046\u304b\uff1f\u3068\u304d\u305f\u306e\u3067\u3055\u3089\u306b\u305d\u306e\u5bfe\u7b56\u3092\u63a2\u3059\u3001\u3053\u308c\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a8\u30e9\u30fc\u3084\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8(\u3053\u3053\u3067\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fMydns)\u306b\u8a00\u3063\u3066\u306d\u3063\u3066\u51fa\u3066\u304d\u305f\u3001\u8da3\u5473\u306e\u500b\u4eba\u30b5\u30a4\u30c8\u306e\u90fd\u5408\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u69d8\u306b\u30a2\u30ec\u30b3\u30ec\u8a00\u3046\u306e\u306f\u6c17\u304c\u5f15\u3051\u308b\u306e\u3067\u30b3\u30ec\u306f\u3044\u3088\u3044\u3088\u6700\u7d42\u624b\u6bb5\u3084\u3001\u30b7\u30e3\u30a4\u306a\u30ef\u30a4\u306b\u306f\u30b0\u30ec\u30fc\u30a2\u30a6\u30c8\u3057\u305f\u9805\u76ee\u306a\u306e\u3067\u9078\u629e\u4e0d\u53ef\u3084\u3002\u4ed6\u306a\u3044\uff1f<\/p>\n\n\n\n
\u304a\u3084\uff1f\u30104\u3064\u306e\u65b9\u6cd5\u3011\u300cHTTP 411 Length Required\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\uff5cKinsta\u00ae<\/a>\u306b\u3066content-length\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u767a\u898b\u3001\u3067\u3082\u30b3\u30ec\u3084\u3063\u305f\u3089\u6307\u5b9a\u3068\u9055\u3063\u3066\u308b\u3088\u30a8\u30e9\u30fc\u3053\u306a\u3044\u304b\uff1f\u7d20\u4eba\u3084\u304b\u3089\u5168\u7136\u308f\u304b\u3089\u3093\u3051\u3069\u306a\u3093\u304b\u305d\u3093\u306a\u4e88\u611f\u2026\u4ed6\u306a\u3044\uff1f<\/p>\n\n\n\n
content-length\u3092\u30d2\u30f3\u30c8\u306bGNU Wget 1.10 Manual: 2. \u547c\u3073\u51fa\u3057 (quruli.ivory.ne.jp)<\/a>\u3067wget\u3067content-length\u3092\u7121\u8996\u3059\u308b\u8a18\u8ff0\u3042\u308a\u3001\u3053\u308c\u304b\uff1f<\/p>\n\n\n\n
–ignore-length<\/p>\n\n\n\n
\n
\u2018–ignore-length<\/samp>\u2019<\/p>\n\n\n\n
\u6b8b\u5ff5\u306a\u304c\u3089\uff0cHTTP<\/small>\u30b5\u30fc\u30d0(\u3088\u308a\u6b63\u78ba\u306b\u306fCGI<\/small>\u30d7\u30ed\u30b0\u30e9\u30e0)\u306b\u306f\uff0c\u507d\u306e Content-Length<\/code>\u30d8\u30c3\u30c0\u3092\u9001\u308b\u3082\u306e\u3082\u3042\u308a\uff0c\u305d\u308c\u3067\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5168\u3066\u304c \u56de\u53ce\u3055\u308c\u306a\u3044\u306e\u3067\uff0cWget\u304c\u304a\u304b\u3057\u304f\u306a\u308a\u307e\u3059\uff0eWget\u304c\u540c\u3058\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4f55\u5ea6 \u3082\u4f55\u5ea6\u3082\u56de\u53ce\u3057\uff0c\u305d\u306e\u305f\u3073\u306b(\u901a\u5e38\u3067\u306a\u3044)\u63a5\u7d9a\u304c\u540c\u3058\u30d0\u30a4\u30c8\u6570\u3067\u9589\u3058\u3066\u3044\u308b\u5831 \u544a\u3092\u5f97\u308b\u5834\u5408\uff0c\u3053\u306e\u75c7\u72b6\u3092\u898b\u4ed8\u3051\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\uff0e<\/p>\n\n\n\n
\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u7528\u3044\u305f\u5834\u5408\uff0cWget\u306fContent-Length<\/code>\u30d8\u30c3\u30c0\u3092\u2014\u307e\u308b \u3067\u5b58\u5728\u3057\u306a\u3044\u304b\u306e\u3088\u3046\u306b\u2014\u7121\u8996\u3057\u307e\u3059\uff0e<\/p>\nGNU Wget 1.10 Manual: 2. \u547c\u3073\u51fa\u3057 (quruli.ivory.ne.jp)<\/a><\/cite><\/blockquote>\n\n\n\n
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