{"id":3041,"date":"2023-05-17T22:44:54","date_gmt":"2023-05-17T14:44:54","guid":{"rendered":"https:\/\/hsin-life.com\/?p=3041"},"modified":"2023-05-26T13:55:42","modified_gmt":"2023-05-26T05:55:42","slug":"linux-%e7%b3%bb%e7%b5%b1%e4%b8%8b%e7%9a%84%e6%aa%94%e6%a1%88%e5%b1%ac%e6%80%a7%e7%ae%a1%e7%90%86%ef%bc%9alsattr-%e8%88%87-chattr-%e5%91%bd%e4%bb%a4%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/hsin-life.com\/archives\/3041","title":{"rendered":"Linux \u7cfb\u7d71\u4e0b\u7684\u6a94\u6848\u5c6c\u6027\u7ba1\u7406\uff1alsattr \u8207 chattr \u547d\u4ee4\u8a73\u89e3"},"content":{"rendered":"\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u6211\u5011\u6709\u8a31\u591a\u547d\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u7ba1\u7406\u548c\u63a7\u5236\u6a94\u6848\u5c6c\u6027\u3002\u5176\u4e2d\uff0clsattr \u548c chattr \u547d\u4ee4\u662f\u5169\u500b\u91cd\u8981\u7684\u5de5\u5177\uff0c\u5b83\u5011\u5141\u8a31\u6211\u5011\u67e5\u770b\u548c\u66f4\u6539\u6a94\u6848\u7684\u5c6c\u6027\u3002<\/p>\n\n\n\n<p>lsattr \u547d\u4ee4\u7528\u65bc\u986f\u793a\u6a94\u6848\u5c6c\u6027\uff0c\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>lsattr [-adlRvV][\u6a94\u6848\u6216\u76ee\u9304...]<\/code><\/pre>\n\n\n\n<p>\u9019\u5176\u4e2d\u7684\u53c3\u6578\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul>\n<li><code>-a<\/code>\uff1a\u986f\u793a\u6240\u6709\u6a94\u6848\u548c\u76ee\u9304\uff0c\u5305\u62ec\u4ee5&#8221;.&#8221;\u70ba\u540d\u7a31\u958b\u982d\u5b57\u7b26\u7684\u984d\u5916\u5167\u5efa\uff0c\u73fe\u884c\u76ee\u9304&#8221;.&#8221;\u8207\u4e0a\u5c64\u76ee\u9304&#8221;..&#8221;<\/li>\n\n\n\n<li><code>-d<\/code>\uff1a\u50c5\u986f\u793a\u76ee\u9304\u540d\u7a31\uff0c\u800c\u975e\u5176\u5167\u5bb9<\/li>\n\n\n\n<li><code>-l<\/code>\uff1a\u6b64\u53c3\u6578\u76ee\u524d\u6c92\u6709\u4efb\u4f55\u4f5c\u7528<\/li>\n\n\n\n<li><code>-R<\/code>\uff1a\u905e\u6b78\u8655\u7406\uff0c\u5c07\u6307\u5b9a\u76ee\u9304\u4e0b\u7684\u6240\u6709\u6a94\u6848\u53ca\u5b50\u76ee\u9304\u4e00\u4f75\u8655\u7406<\/li>\n\n\n\n<li><code>-v<\/code>\uff1a\u986f\u793a\u6a94\u6848\u6216\u76ee\u9304\u7248\u672c<\/li>\n\n\n\n<li><code>-V<\/code>\uff1a\u986f\u793a\u7248\u672c\u8a0a\u606f<\/li>\n<\/ul>\n\n\n\n<p>chattr \u547d\u4ee4\u5247\u7528\u65bc\u6539\u8b8a\u6a94\u6848\u6216\u76ee\u9304\u7684\u5c6c\u6027\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 chattr \u547d\u4ee4\u4f86\u9632\u6b62\u7cfb\u7d71\u4e2d\u67d0\u500b\u95dc\u9375\u6a94\u6848\u88ab\u4fee\u6539\u3002\u5177\u9ad4\u7684\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code># chattr +i \/etc\/resolv.conf<\/code><\/pre>\n\n\n\n<p>\u57f7\u884c\u4ee5\u4e0a\u547d\u4ee4\u5f8c\uff0c\u4efb\u4f55\u8a66\u5716\u4fee\u6539 <code>\/etc\/resolv.conf<\/code> \u6a94\u6848\u7684\u64cd\u4f5c\uff0c\u5982 mv \u6216 vim\uff0c\u90fd\u6703\u5f97\u5230 &#8220;Operation not permitted&#8221; \u7684\u7d50\u679c\u3002\u5982\u679c\u60f3\u8981\u4fee\u6539\u6b64\u6a94\u6848\uff0c\u5c31\u9700\u8981\u5148\u628a i \u5c6c\u6027\u53bb\u6389\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code># chattr -i \/etc\/resolv.conf<\/code><\/pre>\n\n\n\n<p>\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 lsattr \u547d\u4ee4\u4f86\u67e5\u770b\u6a94\u6848\u5c6c\u6027\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code># lsattr \/etc\/resolv.conf<\/code><\/pre>\n\n\n\n<p>\u8f38\u51fa\u7d50\u679c\u70ba\uff1a<code>----i-------- \/etc\/resolv.conf<\/code><\/p>\n\n\n\n<p>\u6b64\u5916\uff0cchattr \u547d\u4ee4\u4e5f\u53ef\u4ee5\u8b93\u67d0\u500b\u6a94\u6848\u53ea\u80fd\u5f80\u88e1\u9762\u8ffd\u52a0\u6578\u64da\uff0c\u4f46\u4e0d\u80fd\u522a\u9664\uff0c<\/p>\n\n\n\n<p>\u9019\u5c0d\u65bc\u5404\u7a2e\u65e5\u8a8c\u6a94\u6848\u975e\u5e38\u9069\u7528\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u5c0d <code>\/var\/log\/messages<\/code> \u6a94\u6848\u57f7\u884c\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code># chattr +a \/var\/log\/messages<\/code><\/pre>\n\n\n\n<p>\u9019\u6a23\u4e00\u4f86\uff0c\u8a72\u6a94\u6848\u53ea\u80fd\u8ffd\u52a0\u6578\u64da\uff0c\u800c\u7121\u6cd5\u88ab\u522a\u9664\u6216\u4fee\u6539\u3002\u9019\u5728\u4fdd\u8b77\u91cd\u8981\u65e5\u8a8c\u4fe1\u606f\u7684\u5b8c\u6574\u6027\u65b9\u9762\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0clsattr \u548c chattr \u662f Linux \u7cfb\u7d71\u4e2d\u5169\u500b\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4\uff0c\u5b83\u5011\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u66f4\u597d\u5730\u67e5\u770b\u548c\u7ba1\u7406\u6a94\u6848\u5c6c\u6027\u3002\u719f\u6089\u9019\u4e9b\u547d\u4ee4\u5c0d\u65bc Linux \u7cfb\u7d71\u7ba1\u7406\u8005\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u4e26\u4fdd\u8b77\u7cfb\u7d71\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7d39 Linux \u7cfb\u7d71\u4e0b\u5169\u500b\u91cd\u8981\u7684\u547d\u4ee4\uff1alsattr \u548c chattr\u3002\u9019\u5169\u500b\u547d\u4ee4\u5141\u8a31\u6211\u5011\u67e5\u770b\u548c\u66f4\u6539\u6a94\u6848\u7684\u5c6c\u6027\uff0c\u5f9e\u800c\u5c0d\u7cfb\u7d71\u6587\u4ef6\u9032\u884c\u66f4\u52a0\u7d30\u81f4\u7684\u63a7\u5236\u3002<\/p>\n","protected":false},"author":1,"featured_media":3042,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[752],"tags":[896,694,930,986,942,936],"aioseo_notices":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/hsin-life.com\/wp-content\/uploads\/2023\/05\/pexels-photo-2072060.jpeg?fit=975%2C1300&ssl=1","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/3041"}],"collection":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/comments?post=3041"}],"version-history":[{"count":3,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/3041\/revisions"}],"predecessor-version":[{"id":3246,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/3041\/revisions\/3246"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media\/3042"}],"wp:attachment":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media?parent=3041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/categories?post=3041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/tags?post=3041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}