{"id":11112,"date":"2026-05-26T17:23:37","date_gmt":"2026-05-26T08:23:37","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=11112"},"modified":"2026-05-26T17:23:37","modified_gmt":"2026-05-26T08:23:37","slug":"logrotate","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/05\/11112\/","title":{"rendered":"logrotate"},"content":{"rendered":"

log\u304c\u5d29\u58ca<\/a>\u3057\u3066\u3001GB\u5358\u4f4d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u3061\u3053\u3061\u306b\u767a\u751f\u3057\u3066\u3044\u305f\u3002
\n\u5c0f\u877f\u3058\u3083\u306a\u3044\u3093\u3060\u304b\u3089\u3001\u767a\u751f\u3057\u306a\u304f\u3066\u3044\u3044\u308f\u3002
\n<\/p>\n

\u3055\u3066\u3001\u3069\u3046\u3059\u308b\u304b\u3068\u3044\u3046\u3068logrotate\u306e\u518d\u78ba\u8a8d\u3067\u3042\u3063\u305f\u3002
\n\u305d\u308c\u4ee5\u5916\u3001\u4ed5\u69d8\u304c\u306a\u3044\u3082\u306e\u306d\u3002
\n\u5148\u305a\u306fetc\/logrotate.conf\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n

# see \"man logrotate\" for details\r\n# Rotate log files weekly.\r\n#weekly\r\n\r\n# \u524d\u56de\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u300c5\u65e5\u300d\u7d4c\u3063\u3066\u3044\u305f\u3089\u56de\u3059\u546a\u6587\r\n#\uff08\u3053\u308c\u3092\u5165\u308c\u308b\u3068\u3001\u6bce\u65e5\u30c1\u30a7\u30c3\u30af\u3057\u30665\u65e5\u76ee\u306b\u5b9f\u884c\u3057\u3066\u304f\u308c\u307e\u3059\uff09\r\nmaxage 5\r\n\r\n# Keep 4 weeks worth of backlogs.\r\nrotate 4\r\n\r\n# Create new (empty) log files after rotating old ones.\r\ncreate\r\n\r\n# Use date as a suffix of the rotated file.\r\ndateext\r\n\r\n# Compress log files.\r\ncompress\r\n\r\n# \u30ed\u30b0\u304c1\u30d5\u30a1\u30a4\u30eb\u3067\u3082\u3053\u306e\u30b5\u30a4\u30ba\u3092\u8d85\u3048\u305f\u3089\u3001\u9031\u3092\u5f85\u305f\u305a\u306b\u5f37\u5236\u7684\u306b\u56de\u3059\uff08\u8d85\u91cd\u8981\uff09\r\nmaxsize 50M<\/pre>\n
\u3053\u3053\u3067\u3001\u5909\u66f4\u7b87\u6240\u306fweekly\u3092\u5916\u3059\u3053\u3068\u3002\uff08mac\u306e\u518d\u8d77\u52d5\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u4f1a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\uff09<\/p>\n
maxage 5
\n\u3053\u308c\u3092\u5171\u901a\u5316\u3059\u308b\u3002\uff08\u4ed6\u306b\u306f\u66f8\u304b\u306a\u3044\uff09
\n5\u65e5\u4ee5\u4e0a\u7d4c\u3063\u305f\u3089rotate\u3059\u308b\u3002\u3053\u308c\u30671\u9031\u9593\u306b\u4e00\u5ea6\u3001\u4e14\u3064\u30b5\u30fc\u30d0\u30fc\u306e\u518d\u8d77\u52d5\u3068\u304b\u3061\u5408\u308f\u306a\u304f\u306a\u308b\u3002<\/p>\n
maxsize 50M
\n\u65e5\u4ed8\u3060\u3051\u3067\u7121\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306b\u4e0a\u9650\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u5408\u308f\u306a\u304b\u308d\u3046\u304crotate\u3057\u3066\u8cb0\u3046\u3002<\/p>\n
logrotate.d\/\u306e\u4e2d\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u57fa\u672c\u7684\u306b\u518d\u8aad\u307f\u8fbc\u307f\u306e\u30b3\u30de\u30f3\u30c9\uff08kill -HUP\uff09\u306e\u307f\u306b\u306a\u308b\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001apache2\u306e\u5834\u5408\u3001\u3053\u308c\u3060\u3051\u3002<\/p>\n
\/opt\/local\/var\/log\/apache2\/*log {\r\n    sharedscripts\r\n    postrotate\r\n        \/bin\/kill -HUP `cat \/opt\/local\/var\/run\/apache2\/httpd.pid  2>\/dev\/null` 2> \/dev\/null || true\r\n    endscript\r\n}<\/pre>\n
\u57fa\u672c\u306f\u3053\u308c\u3067\u3001dovecot\u3068amavis-new\u306f\u518d\u8aad\u307f\u8fbc\u307f\u306e\u65b9\u6cd5\u3092\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n
\/opt\/local\/var\/log\/dovecot\/*log {\r\n    sharedscripts\r\n    postrotate\r\n        \/opt\/local\/bin\/doveadm log reopen\r\n    endscript\r\n}<\/pre>\n
dovecot\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u8a00\u3048\u308bdoveadmin\u306b\u30ed\u30b0\u306e\u518d\u8aad\u307f\u8fbc\u307f\u3092\u6307\u4ee4\u3055\u305b\u308b\u3002
\n\u3053\u306e\u65b9\u304c\u30b9\u30c3\u30ad\u30ea\u3059\u308b\u306d\u3002
\ndovecot reopen\u3068\u304b\u3001\u3082\u3063\u3068\u7c21\u5358\u305d\u3046\u3060\u3051\u308c\u3069\u2026\u2026\u597d\u307f\u306e\u554f\u984c\u3060\u306a\u3001\u3046\u3093\u3002<\/p>\n
\/opt\/local\/var\/log\/amavisd.log {\r\n    sharedscripts\r\n    postrotate\r\n        \/opt\/local\/sbin\/amavisd reload >\/dev\/null 2>&1 || true\r\n    endscript\r\n}<\/pre>\n
amavis\u306e\u65b9\u304c\u30b9\u30c3\u30ad\u30ea\u304f\u308b\u304b\u306a\u3068\u601d\u3063\u305f\u304c\u3001\u3053\u3061\u3089\u306f\u3053\u3061\u3089\u3067\u300c\u6a19\u6e96\u51fa\u529b\u3001\u30a8\u30e9\u30fc\u51fa\u529b\u5171\u306b\/dev\/null\u306b\u7a81\u3063\u8fbc\u3081\u300d\u3068\u5c11\u3005\u5f37\u5f15\u304b\u306a\u3002
\n\u3053\u308c\u3092
\nlogrotate -v etc\/logrotate.conf
\n\u3059\u308b\u3053\u3068\u3067\u52d5\u4f5c\u30c1\u30a7\u30c3\u30af\u3082\u884c\u3063\u305f\u3002
\n\u30a8\u30e9\u30fc\u306f\u51fa\u306a\u304f\u306a\u3063\u305f\uff08\u4e00\u6642\u671f\u81ea\u524d\u306ephp\u8aad\u307f\u8fbc\u307e\u305b\u305f\u3089\u30c0\u30e1\u3060\u3063\u305f\uff09\u306e\u3067\u3001\u51fa\u529b\u7d50\u679c\u3092\u773a\u3081\u3066\u307f\u305f\u3002<\/p>\n
rotating pattern: \/opt\/local\/var\/log\/dovecot\/*log forced from command line empty log files are not rotated, log files >= 52428800 are rotated earlier, (4 rotations), old logs are removed after 5 days\r\nconsidering log \/opt\/local\/var\/log\/dovecot\/error.log\r\n  Now: 2026-05-26 14:56\r\n  Last rotated at 2026-05-26 14:56\r\n  log needs rotating\r\nrotating log \/opt\/local\/var\/log\/dovecot\/error.log, log->rotateCount is 4\r\ndateext suffix '-20260526'\r\nglob pattern '-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'\r\nerror: destination \/opt\/local\/var\/log\/dovecot\/error.log-20260526.gz already exists, skipping rotation<\/pre>\n
\u3044\u308d\u3044\u308d\u9811\u5f35\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u308b\u306d\u3002
\n\u7acb\u6d3e\u3060\u306d\u3001logrotate\u3002<\/p>\n
\u305d\u306e\u307e\u307e\u7ffb\u8a33\u3059\u308b\u3068\u300c\u4e38\u592a\u8ee2\u304c\u3057\u300d\u306a\u3093\u3066\u53ef\u611b\u3044\u540d\u524d\u306b\u306a\u3063\u3061\u3083\u3046\u3068\u306f\u601d\u3048\u306a\u3044\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
log\u304c\u5d29\u58ca\u3057\u3066\u3001GB\u5358\u4f4d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u3061\u3053\u3061\u306b\u767a\u751f\u3057\u3066\u3044\u305f\u3002 \u5c0f\u877f\u3058\u3083\u306a\u3044\u3093\u3060\u304b\u3089\u3001\u767a\u751f\u3057\u306a\u304f\u3066\u3044\u3044\u308f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[165],"class_list":["post-11112","post","type-post","status-publish","format-standard","hentry","category-software","tag-logrotate"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/comments?post=11112"}],"version-history":[{"count":1,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11112\/revisions"}],"predecessor-version":[{"id":11114,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11112\/revisions\/11114"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=11112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=11112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=11112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}