{"id":2952,"date":"2023-05-13T23:45:35","date_gmt":"2023-05-13T15:45:35","guid":{"rendered":"https:\/\/hsin-life.com\/?p=2952"},"modified":"2023-05-13T23:45:37","modified_gmt":"2023-05-13T15:45:37","slug":"linux-%e4%b8%ad%e7%9a%84-chmod-%e6%ac%8a%e9%99%90%e5%91%bd%e4%bb%a4%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/hsin-life.com\/archives\/2952","title":{"rendered":"Linux \u4e2d\u7684 chmod \u6b0a\u9650\u547d\u4ee4\u6df1\u5ea6\u89e3\u6790"},"content":{"rendered":"\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u6211\u5011\u7d93\u5e38\u9700\u8981\u7ba1\u7406\u548c\u63a7\u5236\u5c0d\u6a94\u6848\u7684\u5b58\u53d6\u6b0a\u9650\u3002\u5176\u4e2d\uff0cchmod\uff08\u5168\u7a31\uff1achange mode\uff09\u547d\u4ee4\u662f\u6211\u5011\u5e38\u7528\u7684\u5de5\u5177\u4e4b\u4e00\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u6539\u8b8a\u6a94\u6848\u6216\u76ee\u9304\u7684\u6b0a\u9650\uff0c\u4e26\u4e14\u53ea\u6709\u6a94\u6848\u6240\u6709\u8005\u548c\u8d85\u7d1a\u7528\u6236\u80fd\u5920\u4fee\u6539\u6b0a\u9650\u3002<\/p>\n\n\n\n<p>Linux \u4e2d\u7684\u6a94\u6848\u6b0a\u9650\u5206\u70ba\u4e09\u7d1a\uff1a\u6a94\u6848\u6240\u6709\u8005\uff08Owner\uff09\u3001\u7528\u6236\u7d44\uff08Group\uff09\u548c\u5176\u4ed6\u7528\u6236\uff08Other Users\uff09\u3002\u6bcf\u7a2e\u7528\u6236\u985e\u578b\u90fd\u53ef\u4ee5\u8a2d\u7f6e\u5c0d\u6a94\u6848\u7684\u8b80\u53d6\u3001\u5beb\u5165\u548c\u57f7\u884c\u6b0a\u9650\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 chmod \u547d\u4ee4\u6642\uff0c\u6211\u5011\u9700\u8981\u63d0\u4f9b\u6b0a\u9650\u8a2d\u5b9a\u5b57\u4e32\uff08mode\uff09\u548c\u6a94\u6848\u540d\u7a31\u3002\u6b0a\u9650\u8a2d\u5b9a\u5b57\u4e32\u53ef\u4ee5\u4f7f\u7528\u7b26\u865f\u6a21\u5f0f\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6578\u5b57\u6a21\u5f0f\uff08\u5373\u516b\u9032\u5236\u6a21\u5f0f\uff09\u3002<\/p>\n\n\n\n<p>\u5728\u7b26\u865f\u6a21\u5f0f\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u5982\u4e0b\u7684\u4ee3\u78bc\uff1a<\/p>\n\n\n\n<ul>\n<li>u, g, o, a \u4ee3\u8868\u6a94\u6848\u7684\u64c1\u6709\u8005\u3001\u540c\u7d44\u7528\u6236\u3001\u5176\u4ed6\u7528\u6236\u548c\u6240\u6709\u7528\u6236<\/li>\n\n\n\n<li>+, -, = \u5206\u5225\u4ee3\u8868\u589e\u52a0\u6b0a\u9650\u3001\u53d6\u6d88\u6b0a\u9650\u548c\u552f\u4e00\u8a2d\u5b9a\u6b0a\u9650<\/li>\n\n\n\n<li>r, w, x, X \u5206\u5225\u4ee3\u8868\u53ef\u8b80\u53d6\u3001\u53ef\u5beb\u5165\u3001\u53ef\u57f7\u884c\u548c\u7279\u6b8a\u57f7\u884c\u6b0a\u9650<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u6a94\u6848 file1.txt \u8a2d\u7f6e\u70ba\u6240\u6709\u4eba\u53ef\u8b80\u53d6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod ugo+r file1.txt\r\n# \u6216\u8005\r\nchmod a+r file1.txt\r<\/code><\/pre>\n\n\n\n<p>\u6211\u5011\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6578\u5b57\u6a21\u5f0f\u4f86\u8a2d\u5b9a\u6b0a\u9650\u3002\u5728\u9019\u7a2e\u6a21\u5f0f\u4e0b\uff0cr\u3001w\u3001x \u7684\u6b0a\u9650\u5206\u5225\u5c0d\u61c9\u65bc 4\u30012\u30011 \u7684\u516b\u9032\u5236\u6578\u5b57\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u6a94\u6848 file1.txt \u7684\u6b0a\u9650\u8a2d\u7f6e\u70ba 777\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 777 file1.txt\r<\/code><\/pre>\n\n\n\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u6a94\u6848\u7684\u6b0a\u9650\u8a2d\u7f6e\u70ba rwx\uff084+2+1=7\uff09\u5c0d\u65bc\u6240\u6709\u8005\uff0c\u540c\u7d44\u7528\u6236\u548c\u5176\u4ed6\u7528\u6236\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0cchmod \u547d\u4ee4\u9084\u652f\u6301 -R \u9078\u9805\uff0c\u9019\u6703\u5c0d\u7576\u524d\u76ee\u9304\u4e0b\u7684\u6240\u6709\u6a94\u6848\u548c\u5b50\u76ee\u9304\u9032\u884c\u76f8\u540c\u7684\u6b0a\u9650\u8b8a\u66f4\uff0c\u9019\u7a31\u70ba\u905e\u6b78\u66f4\u6539\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u7576\u524d\u76ee\u9304\u4e0b\u7684\u6240\u6709\u6a94\u6848\u548c\u5b50\u76ee\u9304\u8a2d\u7f6e\u70ba\u4efb\u4f55\u4eba\u53ef\u8b80\u53d6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod -R a+r *\r<\/code><\/pre>\n\n\n\n<p>\u5728\u7279\u6b8a\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u4f7f\u7528 setuid\/gid \u548c\u7c98\u8cbc\u4f4d\u7684\u529f\u80fd\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 s \u548c t \u7b26\u865f\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u7a0b\u5e8f\u5177\u6709 root \u7684\u6b0a\u9650\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 4755 filename\r<\/code><\/pre>\n\n\n\n<p>\u9019\u500b\u547d\u4ee4\u8a2d\u7f6e\u4e86 setuid \u4f4d\uff084\uff09\uff0c\u4e26\u4e14\u7d66\u64c1\u6709\u8005\u8a2d\u7f6e\u4e86 rwx\uff087\uff09\u6b0a\u9650\uff0c\u7d66\u540c\u7d44\u7528\u6236\u548c\u5176\u4ed6\u7528\u6236\u8a2d\u7f6e\u4e86 rx\uff085\uff09\u6b0a\u9650\u3002<\/p>\n\n\n\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cchmod \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u8b93\u6211\u5011\u53ef\u4ee5\u9748\u6d3b\u5730\u7ba1\u7406 Linux \u4e2d\u7684\u6a94\u6848\u6b0a\u9650\u3002\u7121\u8ad6\u6211\u5011\u662f\u4f7f\u7528\u7b26\u865f\u6a21\u5f0f\u9084\u662f\u6578\u5b57\u6a21\u5f0f\uff0c\u90fd\u53ef\u4ee5\u9748\u6d3b\u5730\u61c9\u5c0d\u5404\u7a2e\u60c5\u6cc1\uff0c\u78ba\u4fdd\u6211\u5011\u7684\u7cfb\u7d71\u5b89\u5168\u548c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u8a73\u7d30\u89e3\u91cb Linux \u4e2d\u7684 chmod \u547d\u4ee4\uff0c\u77ad\u89e3\u5176\u5728\u6a94\u6848\u6b0a\u9650\u7ba1\u7406\u4e2d\u7684\u4f5c\u7528\u548c\u7528\u6cd5\uff0c\u5305\u62ec\u7b26\u865f\u6a21\u5f0f\u548c\u6578\u5b57\u6a21\u5f0f\u7684\u64cd\u4f5c\u7b49\u3002<\/p>\n","protected":false},"author":1,"featured_media":2953,"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":[906,694,879,944,947],"aioseo_notices":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/hsin-life.com\/wp-content\/uploads\/2023\/05\/pexels-photo-4260477.jpeg?fit=868%2C1300&ssl=1","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/2952"}],"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=2952"}],"version-history":[{"count":4,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/2952\/revisions"}],"predecessor-version":[{"id":2957,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/2952\/revisions\/2957"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media\/2953"}],"wp:attachment":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media?parent=2952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/categories?post=2952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/tags?post=2952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}