{"id":571,"date":"2017-12-09T08:00:49","date_gmt":"2017-12-08T23:00:49","guid":{"rendered":"https:\/\/www.itc109.com\/knowledge\/?p=571"},"modified":"2021-09-30T09:00:02","modified_gmt":"2021-09-30T00:00:02","slug":"log-rotation","status":"publish","type":"post","link":"https:\/\/www.itc109.com\/knowledge\/linux\/log-rotation","title":{"rendered":"Linux &#8211; \u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3"},"content":{"rendered":"<h4><strong>\u6982\u8981<\/strong><\/h4>\n<hr \/>\n<p>\u30ed\u30b0\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u624b\u9806\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>\u624b\u9806<\/strong><\/h4>\n<hr \/>\n<p><strong>1.\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u524a\u9664\u3059\u308b\u624b\u9806<\/strong><\/p>\n<p>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #0000ff;\">\u203b\u4f8b\uff1a[ \/var\/log\/ ] \u306b\u3042\u308b [ messages ] \u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u304b\u30897\u65e5\u4ee5\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3002<\/span><\/p>\n<pre>\r\nfind \/var\/log\/ -name 'messages-*' -type f -daystart -mtime +7 -exec rm {} \\;\r\n<\/pre>\n<table>\n<tbody>\n<tr>\n<td><span style=\"color: #0000ff;\">find<\/span> \/var\/log\/<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u3092\u691c\u7d22<\/p>\n<p><span style=\"color: #ff00ff;\">\u4f8b\uff1a\/var\/log\/\u914d\u4e0b\u3092\u691c\u7d22<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #0000ff;\">-name<\/span> &#8216;message-*&#8217;<\/td>\n<td>\u524a\u9664\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u3092\u6307\u5b9a<\/p>\n<p><span style=\"color: #ff00ff;\">\u4f8b\uff1a\u300cmessages-\u300d\u306b\u30de\u30c3\u30c1\u3059\u308b\u30d5\u30a1\u30a4\u30eb\/\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #0000ff;\">-type<\/span> f<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3092\u691c\u7d22<\/p>\n<p><span style=\"color: #ff00ff;\">\u4f8b\uff1a\u901a\u5e38\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22<\/span><\/p>\n<p>f\uff1a\u901a\u5e38\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22<br \/>\nc\uff1a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<br \/>\nl\uff1a\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30fb\u30ea\u30f3\u30af<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #0000ff;\">-daystart<\/span><\/td>\n<td> 0\u6642\u3092\u57fa\u6e96\u306b\u3059\u308b<\/p>\n<p><span style=\"color: #ff00ff;\">\u4f8b\uff1a00:00\u57fa\u6e96\u3068\u3057\u3066mtime\u3092\u78ba\u8a8d<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #0000ff;\">-mtime<\/span> +7<\/td>\n<td>-mtime : \u30c7\u30fc\u30bf\u304c\u6700\u5f8c\u306b\u4fee\u6b63\u3055\u308c\u305f\u65e5<\/p>\n<p><span style=\"color: #ff00ff;\">\u4f8b\uff1a 7\u65e5\u4ee5\u524d\u306b\u30c7\u30fc\u30bf\u304c\u4fee\u6b63\u3055\u308c\u3066\u3044\u308b<\/span><\/p>\n<p>\uff0b\uff1a7\u65e5\u79fb\u884c<br \/>\n\uff0d\uff1a7\u65e5\u4ee5\u5185<br \/>\n\uff1a7\u65e5<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #0000ff;\">-exec<\/span> rm<\/td>\n<td> \u6307\u5b9a\u3057\u305f\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c<\/p>\n<p><span style=\"color: #ff00ff;\">\u4f8b\uff1a\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664<\/span><\/p>\n<p>rm : \u524a\u9664<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>2.\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u524a\u9664\u3059\u308b\u624b\u9806<\/strong>\u3000<span style=\"color: #0000ff;\">\u203b\u4f8b\u3068\u3057\u3066 cron \u3092\u4f7f\u7528<\/span><\/p>\n<p>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre>\r\nvi \/etc\/cron.d\/logrotation\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre>\r\n\"\/etc\/cron.d\/logrotation\" [\u65b0\u30d5\u30a1\u30a4\u30eb]\r\n<\/pre>\n<p>\u65b0\u898f\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u5024\u3092\u8a2d\u5b9a\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<br \/>\n<span style=\"color: #0000ff;\">\u203b\u4f8b\uff1a\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u6bce\u65e5 [ 00:05 ] \u306b\u5b9f\u884c\u3059\u308b\u3002<\/span><\/p>\n<pre>\r\n5 0 * * * root find \/var\/log\/ -name 'messages-*' -type f -daystart -mtime +7 -exec rm {} \\;\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>\u88dc\u8db3<\/strong><\/h4>\n<hr \/>\n<p><strong>\u4e8b\u524d\u306b\u524a\u9664\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001[ echo ] \u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/strong><br \/>\n<span style=\"color: #ff0000;\">\u203b\u5bfe\u8c61\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u5b9f\u969b\u306b\u524a\u9664\u3055\u308c\u307e\u305b\u3093\u3002<\/span><\/p>\n<pre>\r\nfind \/var\/log\/ -name 'message-*' -type f -daystart -mtime +7 -exec echo rm {} \\;\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30ed\u30b0\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u624b\u9806\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002 &nbsp; \u624b\u9806 1.\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u524a\u9664\u3059\u308b\u624b\u9806 \u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u203b\u4f8b\uff1a[ \/var\/log\/ ] \u306b\u3042\u308b [ messages ] \u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u304b&#8230;<\/p>\n","protected":false},"author":3,"featured_media":45,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3],"tags":[73],"class_list":["post-571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","tag-log"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.itc109.com\/knowledge\/wp-content\/uploads\/sites\/2\/logo\/logo-linux.png","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pacZwp-9d","_links":{"self":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts\/571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/comments?post=571"}],"version-history":[{"count":21,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts\/571\/revisions"}],"predecessor-version":[{"id":1776,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts\/571\/revisions\/1776"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/media\/45"}],"wp:attachment":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/media?parent=571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/categories?post=571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/tags?post=571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}