{"id":657,"date":"2010-07-27T22:41:11","date_gmt":"2010-07-27T14:41:11","guid":{"rendered":"http:\/\/gwokae.mewggle.com\/wordpress\/?p=657"},"modified":"2010-07-27T22:41:11","modified_gmt":"2010-07-27T14:41:11","slug":"%e5%9c%a8linux%e4%b8%8a%e7%a7%bb%e9%99%a4%e8%88%8a%e6%aa%94%e6%a1%88%e9%81%8e%e6%9c%9f%e7%9a%84%e6%aa%94%e6%a1%88-%e6%87%89%e7%94%a8find%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/gwokae.mewggle.com\/wordpress\/2010\/07\/%e5%9c%a8linux%e4%b8%8a%e7%a7%bb%e9%99%a4%e8%88%8a%e6%aa%94%e6%a1%88%e9%81%8e%e6%9c%9f%e7%9a%84%e6%aa%94%e6%a1%88-%e6%87%89%e7%94%a8find%e6%8c%87%e4%bb%a4\/","title":{"rendered":"\u5728Linux\u4e0a\u79fb\u9664\u820a\u6a94\u6848(\u904e\u671f\u7684\u6a94\u6848) – \u61c9\u7528find\u6307\u4ee4"},"content":{"rendered":"

\u5728\u7ba1\u7406\u4e3b\u6a5f\u7684\u6642\u5019\u5e38\u5e38\u6703\u9047\u5230\u4e3b\u6a5f\u7684\u61c9\u7528\u88e1\u9762\u80a5\u5927\u53c8\u904e\u6642\u7684log\u6a94\u6848\uff0c\u52d5\u8f12\u55ae\u500b\u6a94\u6848\u5c31\u4e0a\u770bGB\u7b49\u7d1a\u7684log\u6a94\u65e5\u7a4d\u6708\u7d2f\u4e0b\u4f86\u6050\u6015\u6c92\u6709\u5e7e\u53f0\u4e3b\u6a5f\u53ef\u4ee5\u5403\u5f97\u6d88\u3002\u5982\u679c\u6bcf\u6b21\u624b\u52d5\u6e05\u7406\u9664\u4e86\u8cbb\u6642\u5916\u4e3b\u6a5f\u4e00\u591a\u4e5f\u5f88\u96e3\u7ba1\u7406\u3002\u5176\u5be6\u6700\u597d\u7684\u65b9\u5f0f\u662f\u5728\u7cfb\u7d71\u7684\u6392\u7a0b(\u5982cron)\u5167\u5beb\u9032\u81ea\u52d5\u522a\u9664\u7684\u6307\u4ee4\uff0c\u6211\u9019\u908a\u6240\u63d0\u4f9b\u7684\u89e3\u6cd5\u662f\u7528find\u6307\u4ee4\u5217\u51fa\u820a\u7684\u6a94\u6848\uff0c\u7136\u5f8c\u628a\u9019\u4e9b\u6a94\u6848\u522a\u9664\u3002<\/p>\n

1. \u7528find\u6307\u4ee4\u5728Linux\u4e0a\u5217\u51fa\u820a\u7684\u6a94\u6848<\/h3>\n

find \/var\/log\/apache2 -mtime +30<\/p><\/blockquote>\n

\u4e0a\u9762\u9019\u500b\u6307\u4ee4\u7684\u610f\u601d\u662f\u5728\/var\/log\/apache2\u5e95\u4e0b\uff0c-mtime\u662f\u9650\u5b9a\u4fee\u6539\u6642\u9593<\/strong>(\u55ae\u4f4d\u662f24\u5c0f\u6642)\uff0c\u5f8c\u9762\u63a5\u8457\u7684\u6578\u5b57\u7684\u8868\u793a\u6cd5\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. +n<\/em><\/strong>\uff1a\u8868\u793a\u6bd4n\u55ae\u4f4d\u4ee5\u4e0a<\/strong>\u7684\u6a94\u6848 (\u4f8b\u5982\uff1a+30\uff0c\u4ee3\u886830\u5929\u4e4b\u524d)<\/li>\n
  2. –n<\/em><\/strong>\uff1a\u8868\u793a\u6bd4n\u55ae\u4f4d<\/strong>\u4e4b\u5167\u7684\u6a94\u6848 (\u4f8b\u5982\uff1a-30\uff0c\u4ee3\u886830\u5929\u4e4b\u5167)<\/li>\n
  3. n<\/em><\/strong>\uff1a\u4e0d\u7d66\u7d66\u6b63\u8ca0\u865f\u4ee3\u8868\u6b63\u597dn\u55ae\u4f4d<\/strong>\u7684\u6a94\u6848\u3002<\/li>\n<\/ol>\n

    \u6b64\u5916\u9084\u6709time\u8ddfmin\u4e5f\u90fd\u662f\u4ee3\u8868\u4fee\u6539\u6642\u9593\uff0c\u4f46\u662f\u5f8c\u9762\u63a5\u7684\u6578\u5b57\u7684\u55ae\u4f4d\u8b8a\u6210\u5206\u9418\u3002\u6b64\u5916\u5176\u4ed6\u76f8\u95dc\u7684\u6307\u4ee4\u5982\u4e0b\uff1a<\/p>\n

      \n
    1. -mtime\u3001-mmin\uff1a\u6a94\u6848\u5167\u5bb9(data)\u6700\u5f8c\u7684\u4fee\u6539(m<\/strong>odify)\u6642\u9593<\/li>\n
    2. -atime\u3001-amin\uff1a\u6a94\u6848\u6700\u5f8c\u88ab\u5b58\u53d6(a<\/strong>ccess)\u7684\u6642\u9593<\/li>\n
    3. -ctime\u3001-cmin\uff1a\u6a94\u6848\u72c0\u614b(status)\u6700\u5f8c\u88ab\u4fee\u6539\u7684\u6642\u9593(c<\/strong>hange)\u3002 (\u8a3b\uff1a\u6a94\u6848\u72c0\u614b\u662f\u6307\uff1a\u4fee\u6539\u64c1\u6709\u8005\u6216\u7fa4\u7d44(\u5373\u8abf\u7528chown\u3001chgrp)\u3001\u4fee\u6539\u6a94\u6848\u5b58\u53d6\u6b0a\u9650(\u5373\u8abf\u7528chmod)<\/li>\n<\/ol>\n

      2. find\u8cc7\u6599\u5f8c\u57f7\u884c\u522a\u9664\u6307\u4ee4<\/h3>\n

      find\u5230\u6a94\u6848\u5f8c\u53ef\u4ee5\u7528-exec\u6307\u4ee4\u4f86\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff0c\u4e0b\u9762\u9019\u500b\u6307\u4ee4\u793a\u7bc4\u7684\u662f\u76f4\u63a5\u4e0brm\u6307\u4ee4\u522a\u9664<\/p>\n

      find \/var\/log\/apache2 -mtime +30 -exec rm -f {} ;<\/p><\/blockquote>\n

      -exec\u662f\u8868\u793a\u627e\u5230\u6a94\u6848\u5f8c\u8981\u57f7\u884c\u7684\u6307\u4ee4\uff0c\u73fe\u5728\u8981\u57f7\u884c\u79fb\u9664\u6a94\u6848\u7684\u6307\u4ee4rm\uff0c\u4f46rm\u6307\u4ee4\u6703\u8207\u4f7f\u7528\u8005\u78ba\u8a8d\u662f\u4e0d\u662f\u8981\u522a\u9664\u6a94\u6848\uff0c\u56e0\u70ba\u6bcf\u500b\u6a94\u6848\u90fd\u6703\u554f\u6240\u4ee5\u633a\u9ebb\u7169\u7684\u6240\u4ee5\u52a0\u5165-f (force) \u53c3\u6578\u8b93rm\u5f37\u5236\u79fb\u9664\u6a94\u6848\u3002\u7136\u5f8c {} \u5247\u4ee3\u8868\u6307\u4ee4\u63a5\u6a94\u6848\u540d\u7a31\u7684\u5730\u65b9\uff0cfind\u6703\u5c07\u627e\u5230\u6a94\u6848\u7684\u6a94\u540d\u8207\u8def\u5f91\u5e36\u5165\u5230{} \u9019\u908a\u3002\u6700\u5f8c\u52a0\u5165; \u4ee3\u8868\u6307\u4ee4\u7d50\u675f\uff0c\u4e0d\u53ef\u4ee5\u7701\u7565\u3002<\/p>\n

      \u5e0c\u671b\u9019\u6a23\u4ecb\u7d39\u53ef\u4ee5\u8b93\u5927\u5bb6\u66f4\u4e86\u89e3find\u9019\u500b\u6307\u4ee4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u5728\u7ba1\u7406\u4e3b\u6a5f\u7684\u6642\u5019\u5e38\u5e38\u6703\u9047\u5230\u4e3b\u6a5f\u7684\u61c9\u7528\u88e1\u9762\u80a5\u5927\u53c8\u904e\u6642\u7684log\u6a94\u6848\uff0c\u52d5\u8f12\u55ae\u500b\u6a94\u6848\u5c31\u4e0a\u770bGB\u7b49\u7d1a\u7684log\u6a94\u65e5\u7a4d\u6708\u7d2f\u4e0b\u4f86\u6050\u6015\u6c92\u6709\u5e7e\u53f0\u4e3b\u6a5f\u53ef\u4ee5\u5403\u5f97\u6d88\u3002\u5982\u679c\u6bcf\u6b21\u624b\u52d5\u6e05\u7406\u9664\u4e86\u8cbb\u6642\u5916\u4e3b\u6a5f\u4e00\u591a\u4e5f\u5f88\u96e3\u7ba1\u7406\u3002\u5176\u5be6\u6700\u597d\u7684\u65b9\u5f0f\u662f\u5728\u7cfb\u7d71\u7684\u6392\u7a0b(\u5982cron)\u5167\u5beb\u9032\u81ea\u52d5\u522a\u9664\u7684\u6307\u4ee4\uff0c\u6211\u9019\u908a\u6240\u63d0\u4f9b\u7684\u89e3\u6cd5\u662f\u7528find\u6307\u4ee4\u5217\u51fa\u820a\u7684\u6a94\u6848\uff0c\u7136\u5f8c\u628a\u9019\u4e9b\u6a94\u6848\u522a\u9664\u3002 1. \u7528find\u6307\u4ee4\u5728Linux\u4e0a\u5217\u51fa\u820a\u7684\u6a94\u6848 find \/var\/log\/apache2 -mtime +30 \u4e0a\u9762\u9019\u500b\u6307\u4ee4\u7684\u610f\u601d\u662f\u5728\/var\/log\/apache2\u5e95\u4e0b\uff0c-mtime\u662f\u9650\u5b9a\u4fee\u6539\u6642\u9593(\u55ae\u4f4d\u662f24\u5c0f\u6642)\uff0c\u5f8c\u9762\u63a5\u8457\u7684\u6578\u5b57\u7684\u8868\u793a\u6cd5\u5982\u4e0b\uff1a +n\uff1a\u8868\u793a\u6bd4n\u55ae\u4f4d\u4ee5\u4e0a\u7684\u6a94\u6848 (\u4f8b\u5982\uff1a+30\uff0c\u4ee3\u886830\u5929\u4e4b\u524d) –n\uff1a\u8868\u793a\u6bd4n\u55ae\u4f4d\u4e4b\u5167\u7684\u6a94\u6848 (\u4f8b\u5982\uff1a-30\uff0c\u4ee3\u886830\u5929\u4e4b\u5167) n\uff1a\u4e0d\u7d66\u7d66\u6b63\u8ca0\u865f\u4ee3\u8868\u6b63\u597dn\u55ae\u4f4d\u7684\u6a94\u6848\u3002 \u6b64\u5916\u9084\u6709time\u8ddfmin\u4e5f\u90fd\u662f\u4ee3\u8868\u4fee\u6539\u6642\u9593\uff0c\u4f46\u662f\u5f8c\u9762\u63a5\u7684\u6578\u5b57\u7684\u55ae\u4f4d\u8b8a\u6210\u5206\u9418\u3002\u6b64\u5916\u5176\u4ed6\u76f8\u95dc\u7684\u6307\u4ee4\u5982\u4e0b\uff1a -mtime\u3001-mmin\uff1a\u6a94\u6848\u5167\u5bb9(data)\u6700\u5f8c\u7684\u4fee\u6539(modify)\u6642\u9593 -atime\u3001-amin\uff1a\u6a94\u6848\u6700\u5f8c\u88ab\u5b58\u53d6(access)\u7684\u6642\u9593 -ctime\u3001-cmin\uff1a\u6a94\u6848\u72c0\u614b(status)\u6700\u5f8c\u88ab\u4fee\u6539\u7684\u6642\u9593(change)\u3002 (\u8a3b\uff1a\u6a94\u6848\u72c0\u614b\u662f\u6307\uff1a\u4fee\u6539\u64c1\u6709\u8005\u6216\u7fa4\u7d44(\u5373\u8abf\u7528chown\u3001chgrp)\u3001\u4fee\u6539\u6a94\u6848\u5b58\u53d6\u6b0a\u9650(\u5373\u8abf\u7528chmod) 2. find\u8cc7\u6599\u5f8c\u57f7\u884c\u522a\u9664\u6307\u4ee4 find\u5230\u6a94\u6848\u5f8c\u53ef\u4ee5\u7528-exec\u6307\u4ee4\u4f86\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff0c\u4e0b\u9762\u9019\u500b\u6307\u4ee4\u793a\u7bc4\u7684\u662f\u76f4\u63a5\u4e0brm\u6307\u4ee4\u522a\u9664 find \/var\/log\/apache2 -mtime +30 -exec rm -f {} ; -exec\u662f\u8868\u793a\u627e\u5230\u6a94\u6848\u5f8c\u8981\u57f7\u884c\u7684\u6307\u4ee4\uff0c\u73fe\u5728\u8981\u57f7\u884c\u79fb\u9664\u6a94\u6848\u7684\u6307\u4ee4rm\uff0c\u4f46rm\u6307\u4ee4\u6703\u8207\u4f7f\u7528\u8005\u78ba\u8a8d\u662f\u4e0d\u662f\u8981\u522a\u9664\u6a94\u6848\uff0c\u56e0\u70ba\u6bcf\u500b\u6a94\u6848\u90fd\u6703\u554f\u6240\u4ee5\u633a\u9ebb\u7169\u7684\u6240\u4ee5\u52a0\u5165-f (force) \u53c3\u6578\u8b93rm\u5f37\u5236\u79fb\u9664\u6a94\u6848\u3002\u7136\u5f8c {} \u5247\u4ee3\u8868\u6307\u4ee4\u63a5\u6a94\u6848\u540d\u7a31\u7684\u5730\u65b9\uff0cfind\u6703\u5c07\u627e\u5230\u6a94\u6848\u7684\u6a94\u540d\u8207\u8def\u5f91\u5e36\u5165\u5230{} \u9019\u908a\u3002\u6700\u5f8c\u52a0\u5165; \u4ee3\u8868\u6307\u4ee4\u7d50\u675f\uff0c\u4e0d\u53ef\u4ee5\u7701\u7565\u3002 \u5e0c\u671b\u9019\u6a23\u4ecb\u7d39\u53ef\u4ee5\u8b93\u5927\u5bb6\u66f4\u4e86\u89e3find\u9019\u500b\u6307\u4ee4\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[37,48,104],"_links":{"self":[{"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/posts\/657"}],"collection":[{"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/comments?post=657"}],"version-history":[{"count":0,"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/posts\/657\/revisions"}],"wp:attachment":[{"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/media?parent=657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/categories?post=657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gwokae.mewggle.com\/wordpress\/wp-json\/wp\/v2\/tags?post=657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}