{"id":83,"date":"2026-04-21T22:46:22","date_gmt":"2026-04-21T14:46:22","guid":{"rendered":"https:\/\/www.bojinhu.xyz\/?p=83"},"modified":"2026-04-22T12:18:31","modified_gmt":"2026-04-22T04:18:31","slug":"linux-%e6%96%87%e4%bb%b6%e6%9d%83%e9%99%90%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9f%ba%e7%a1%80%e6%9d%83%e9%99%90-%c2%b7-acl-%c2%b7-setgid-%c2%b7-umask%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.bojinhu.xyz\/index.php\/2026\/04\/21\/linux-%e6%96%87%e4%bb%b6%e6%9d%83%e9%99%90%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9f%ba%e7%a1%80%e6%9d%83%e9%99%90-%c2%b7-acl-%c2%b7-setgid-%c2%b7-umask%ef%bc%89\/","title":{"rendered":"Linux \u6587\u4ef6\u6743\u9650\u5b66\u4e60\u7b14\u8bb0\uff08\u57fa\u7840\u6743\u9650 \u00b7 ACL \u00b7 setgid \u00b7 umask\uff09"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u4e00\u3001\u6743\u9650\u662f\u4ec0\u4e48\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Linux \u662f<strong>\u591a\u7528\u6237\u591a\u4efb\u52a1<\/strong>\u7cfb\u7edf\uff0c\u6587\u4ef6\u6743\u9650\u51b3\u5b9a\u4e86\u201c\u8c01\u80fd\u5bf9\u6587\u4ef6\u505a\u4ec0\u4e48\u201d\u3002\u5bf9\u8fd0\u7ef4\u548c\u65e5\u5e38\u4f7f\u7528\u6765\u8bf4\uff0c\u7406\u89e3\u6743\u9650\u662f\u907f\u514d\u201cPermission denied\u201d\u7684\u7b2c\u4e00\u6b65\uff0c\u4e5f\u662f\u914d\u7f6e\u5171\u4eab\u76ee\u5f55\u3001\u4fdd\u62a4\u654f\u611f\u6587\u4ef6\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6743\u9650\u6a21\u578b\u5206\u4e3a\u4e09\u5c42\uff1a<strong>\u4f20\u7edf UGO \u6743\u9650<\/strong>\uff08\u5c5e\u4e3b\u3001\u5c5e\u7ec4\u3001\u5176\u4ed6\u4eba\uff09\u2192 <strong>ACL \u6269\u5c55\u6743\u9650<\/strong>\uff08\u7ec6\u7c92\u5ea6\u63a7\u5236\uff09\u2192 <strong>\u7279\u6b8a\u6743\u9650\u4f4d<\/strong>\uff08\u5982 setgid\uff09\u3002\u4e09\u5c42\u914d\u5408\u4f7f\u7528\uff0c\u57fa\u672c\u80fd\u8986\u76d6\u6240\u6709\u6743\u9650\u7ba1\u7406\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u3001\u57fa\u7840\u6743\u9650\uff08UGO \u6a21\u578b\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u67e5\u770b\u6743\u9650\uff1a<code>ls -l<\/code><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c <code>ls -l<\/code> \u4f1a\u770b\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-rwxrw-r-- 1 alice devops 1024 Apr 16 10:00 script.sh<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u524d\u9762\u7684 <strong>10 \u4e2a\u5b57\u7b26<\/strong>\u662f\u5173\u952e\uff0c\u5206\u6210\u56db\u7ec4\u7406\u89e3\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u4f4d\u7f6e<\/th><th>\u793a\u4f8b<\/th><th>\u542b\u4e49<\/th><\/tr><\/thead><tbody><tr><td>\u7b2c 1 \u4f4d<\/td><td><code>-<\/code><\/td><td>\u6587\u4ef6\u7c7b\u578b\uff1a<code>-<\/code>\u666e\u901a\u6587\u4ef6\u3001<code>d<\/code>\u76ee\u5f55\u3001<code>l<\/code>\u7b26\u53f7\u94fe\u63a5\u3001<code>b<\/code>\u5757\u8bbe\u5907\u3001<code>c<\/code>\u5b57\u7b26\u8bbe\u5907<\/td><\/tr><tr><td>\u7b2c 2-4 \u4f4d<\/td><td><code>rwx<\/code><\/td><td>\u5c5e\u4e3b\u6743\u9650\uff08user\uff09<\/td><\/tr><tr><td>\u7b2c 5-7 \u4f4d<\/td><td><code>rw-<\/code><\/td><td>\u5c5e\u7ec4\u6743\u9650\uff08group\uff09<\/td><\/tr><tr><td>\u7b2c 8-10 \u4f4d<\/td><td><code>r--<\/code><\/td><td>\u5176\u4ed6\u4eba\u6743\u9650\uff08others\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u6743\u9650\u4f4d\u7531 <code>r<\/code>\uff08\u8bfb\uff09\u3001<code>w<\/code>\uff08\u5199\uff09\u3001<code>x<\/code>\uff08\u6267\u884c\uff09\u7ec4\u6210\uff0c\u7f3a\u5931\u7528 <code>-<\/code> \u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u4e0d\u540c\u542b\u4e49<\/strong>\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6743\u9650<\/th><th>\u5bf9\u6587\u4ef6<\/th><th>\u5bf9\u76ee\u5f55<\/th><\/tr><\/thead><tbody><tr><td><code>r<\/code><\/td><td>\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/td><td>\u5217\u51fa\u76ee\u5f55\u5185\u5bb9\uff08\u9700\u540c\u65f6\u6709 <code>x<\/code>\uff09<\/td><\/tr><tr><td><code>w<\/code><\/td><td>\u4fee\u6539\u6587\u4ef6\u5185\u5bb9<\/td><td>\u5728\u76ee\u5f55\u5185\u521b\u5efa\/\u5220\u9664\/\u91cd\u547d\u540d\u6587\u4ef6\uff08\u9700\u540c\u65f6\u6709 <code>x<\/code>\uff09<\/td><\/tr><tr><td><code>x<\/code><\/td><td>\u6267\u884c\u6587\u4ef6\uff08\u811a\u672c\/\u7a0b\u5e8f\uff09<\/td><td>\u8fdb\u5165\u76ee\u5f55\u3001\u8bbf\u95ee\u76ee\u5f55\u5185\u6587\u4ef6\u7684\u5143\u6570\u636e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u8bef\u533a\uff1a\u7ed9\u76ee\u5f55\u53ea\u52a0 <code>r<\/code> \u4e0d\u52a0 <code>x<\/code>\uff0c\u4f60\u4f9d\u7136\u65e0\u6cd5 <code>ls<\/code> \u8fdb\u53bb\uff0c\u56e0\u4e3a <code>x<\/code> \u662f\u201c\u901a\u884c\u8bc1\u201d\u3002\u76ee\u5f55\u7684 <code>w<\/code> \u9700\u8981 <code>x<\/code> \u914d\u5408\u624d\u80fd\u751f\u6548\u3002<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u6743\u9650\u7684\u6570\u5b57\u8868\u793a\uff08\u516b\u8fdb\u5236\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><code>r<\/code>\u3001<code>w<\/code>\u3001<code>x<\/code> \u5206\u522b\u5bf9\u5e94\u6570\u503c 4\u30012\u30011\uff0c\u7ec4\u5408\u76f8\u52a0\u5f97\u5230\u6743\u9650\u7801\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6743\u9650<\/th><th>\u6570\u503c<\/th><\/tr><\/thead><tbody><tr><td><code>rwx<\/code><\/td><td>7<\/td><\/tr><tr><td><code>rw-<\/code><\/td><td>6<\/td><\/tr><tr><td><code>r-x<\/code><\/td><td>5<\/td><\/tr><tr><td><code>r--<\/code><\/td><td>4<\/td><\/tr><tr><td><code>-wx<\/code><\/td><td>3<\/td><\/tr><tr><td><code>-w-<\/code><\/td><td>2<\/td><\/tr><tr><td><code>--x<\/code><\/td><td>1<\/td><\/tr><tr><td><code>---<\/code><\/td><td>0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5b8c\u6574\u7684\u6743\u9650\u53ef\u4ee5\u7528\u4e09\u4e2a\u6570\u5b57\u8868\u793a\uff1a<strong>\u5c5e\u4e3b\u6743\u9650<\/strong>\u3001<strong>\u5c5e\u7ec4\u6743\u9650<\/strong>\u3001<strong>\u5176\u4ed6\u4eba\u6743\u9650<\/strong>\u3002\u4f8b\u5982 <code>755<\/code> \u8868\u793a <code>rwxr-xr-x<\/code>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u4fee\u6539\u6743\u9650\uff1a<code>chmod<\/code><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7b26\u53f7\u65b9\u5f0f\nchmod u+x file.sh      # \u5c5e\u4e3b\u52a0\u6267\u884c\nchmod g-w file.sh      # \u5c5e\u7ec4\u53bb\u6389\u5199\nchmod o=r file.sh      # \u5176\u4ed6\u4eba\u8bbe\u4e3a\u53ea\u8bfb\nchmod a+x script.sh    # \u6240\u6709\u4eba\u52a0\u6267\u884c\n\n# \u6570\u5b57\u65b9\u5f0f\nchmod 755 script.sh    # rwxr-xr-x\nchmod 644 config.conf  # rw-r--r--<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u4fee\u6539\u5c5e\u4e3b\/\u5c5e\u7ec4\uff1a<code>chown<\/code> \u548c <code>chgrp<\/code><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4fee\u6539\u5c5e\u4e3b\nchown alice file.txt\n\n# \u540c\u65f6\u4fee\u6539\u5c5e\u4e3b\u548c\u5c5e\u7ec4\nchown alice:devops file.txt\n\n# \u53ea\u4fee\u6539\u5c5e\u7ec4\nchgrp devops file.txt<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u666e\u901a\u7528\u6237\u53ea\u80fd\u5c06\u81ea\u5df1\u540d\u4e0b\u6587\u4ef6\u7684\u5c5e\u7ec4\u6539\u4e3a\u81ea\u5df1\u6240\u5728\u7684\u7ec4\uff0c\u4e14\u5fc5\u987b\u662f\u8be5\u7ec4\u7684\u6210\u5458\u3002\u4fee\u6539\u5c5e\u4e3b\u9700\u8981 root \u6743\u9650\u3002<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">5. \u6743\u9650\u5224\u65ad\u903b\u8f91<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7528\u6237\u8bbf\u95ee\u4e00\u4e2a\u6587\u4ef6\u65f6\uff0c\u7cfb\u7edf\u6309\u4ee5\u4e0b\u987a\u5e8f\u51b3\u5b9a\u6743\u9650\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5982\u679c\u7528\u6237\u662f\u6587\u4ef6\u7684<strong>\u5c5e\u4e3b<\/strong> \u2192 \u5e94\u7528\u5c5e\u4e3b\u6743\u9650\u3002<\/li>\n\n\n\n<li>\u5426\u5219\uff0c\u5982\u679c\u7528\u6237\u5c5e\u4e8e\u6587\u4ef6\u7684<strong>\u5c5e\u7ec4<\/strong>\uff08\u6216\u6587\u4ef6\u6240\u5728\u7ec4\u7684\u6210\u5458\uff09 \u2192 \u5e94\u7528\u5c5e\u7ec4\u6743\u9650\u3002<\/li>\n\n\n\n<li>\u5426\u5219 \u2192 \u5e94\u7528\u5176\u4ed6\u4eba\u6743\u9650\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6ce8\u610f<\/strong>\uff1a\u53ea\u547d\u4e2d\u7b2c\u4e00\u4e2a\u7b26\u5408\u6761\u4ef6\u7684\u89c4\u5219\uff0c\u4e0d\u4f1a\u53e0\u52a0\u3002\u5982\u679c\u7528\u6237\u65e2\u662f\u5c5e\u4e3b\u53c8\u5c5e\u4e8e\u5c5e\u7ec4\uff0c\u53ea\u4f7f\u7528\u5c5e\u4e3b\u6743\u9650\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u3001ACL\uff08\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff09\u2014\u2014 \u7a81\u7834 UGO \u9650\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf UGO \u6743\u9650\u53ea\u80fd\u6307\u5b9a<strong>\u4e00\u4e2a\u5c5e\u4e3b\u3001\u4e00\u4e2a\u5c5e\u7ec4\u3001\u4e00\u7ec4\u5176\u4ed6\u4eba<\/strong>\u3002\u73b0\u5b9e\u573a\u666f\u4e2d\u5e38\u5e38\u9700\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ed9\u7279\u5b9a\u7528\u6237\uff08\u5982 <code>tempuser<\/code>\uff09\u5355\u72ec\u7684\u8bfb\u5199\u6743\u9650\uff0c\u4f46\u4e0d\u5e0c\u671b\u4ed6\u6210\u4e3a\u5c5e\u4e3b\u3002<\/li>\n\n\n\n<li>\u7ed9\u591a\u4e2a\u4e0d\u540c\u7ec4\u7684\u6210\u5458\u4e0d\u540c\u6743\u9650\u3002<\/li>\n\n\n\n<li>\u8ba9\u65b0\u5efa\u6587\u4ef6\u81ea\u52a8\u7ee7\u627f\u7236\u76ee\u5f55\u7684 ACL \u89c4\u5219\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ACL \u5c31\u662f\u7528\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u67e5\u770b ACL<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>getfacl file.txt<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># file: file.txt\n# owner: alice\n# group: devops\nuser::rw-\nuser:bob:r--\ngroup::r--\nmask::r--\nother::---<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u8bbe\u7f6e ACL<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7ed9\u7279\u5b9a\u7528\u6237\u6dfb\u52a0\u6743\u9650\nsetfacl -m u:bob:rwx file.txt\n\n# \u7ed9\u7279\u5b9a\u7ec4\u6dfb\u52a0\u6743\u9650\nsetfacl -m g:project:r-x dir\/\n\n# \u79fb\u9664\u67d0\u6761 ACL\nsetfacl -x u:bob file.txt\n\n# \u9012\u5f52\u8bbe\u7f6e\u76ee\u5f55 ACL\uff08\u65b0\u6587\u4ef6\u7ee7\u627f\uff1f\u9700\u8981\u914d\u5408\u9ed8\u8ba4 ACL\uff09\nsetfacl -R -m u:bob:r-x dir\/<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u9ed8\u8ba4 ACL\uff08\u7ee7\u627f\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u76ee\u5f55\u8bbe\u7f6e<strong>\u9ed8\u8ba4 ACL<\/strong> \u540e\uff0c\u76ee\u5f55\u5185\u65b0\u5efa\u7684\u6587\u4ef6\/\u5b50\u76ee\u5f55\u4f1a\u81ea\u52a8\u7ee7\u627f\u89c4\u5219\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>setfacl -m d:u:bob:r-x dir\/   # \u8bbe\u7f6e\u9ed8\u8ba4 ACL\nsetfacl -k dir\/                # \u79fb\u9664\u9ed8\u8ba4 ACL<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">4. mask \u6982\u5ff5\uff08\u91cd\u8981\uff01\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">ACL \u5f15\u5165\u4e86\u4e00\u4e2a <strong>mask<\/strong> \u503c\uff0c\u5b83\u8868\u793a\u201c\u5f53\u524d ACL \u6761\u76ee\u7684\u6700\u5927\u6709\u6548\u6743\u9650\u201d\u3002\u4efb\u4f55\u7528\u6237\u6216\u7ec4\u7684\u5b9e\u9645\u6743\u9650\u4e0d\u80fd\u8d85\u8fc7 mask \u7684\u6743\u9650\u4f4d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b <code>getfacl<\/code> \u8f93\u51fa\u4e2d\u7684 <code>mask::r-x<\/code> \u8fd9\u4e00\u884c\u3002\u5982\u679c mask \u662f <code>r-x<\/code>\uff0c\u5373\u4f7f\u67d0\u6761 ACL \u6761\u76ee\u5199\u7740 <code>rwx<\/code>\uff0c\u5b9e\u9645\u751f\u6548\u7684\u4e5f\u662f <code>r-x<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e38\u89c1\u95ee\u9898<\/strong>\uff1a\u7528 <code>chmod<\/code> \u4fee\u6539\u6587\u4ef6\u6743\u9650\u65f6\uff0c\u53ef\u80fd\u4f1a\u610f\u5916\u4fee\u6539 mask\u3002\u5efa\u8bae\u4f7f\u7528 <code>setfacl -m mask:rwx file<\/code> \u6765\u5355\u72ec\u8c03\u6574 mask\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4e2a\u4eba\u4e60\u60ef\uff1a\u6bcf\u6b21\u8bbe\u7f6e ACL \u540e\uff0c\u7528 <code>getfacl<\/code> \u786e\u8ba4 mask \u662f\u5426\u7b26\u5408\u9884\u671f\u3002\u5982\u679c\u53d1\u73b0\u6743\u9650\u4e0d\u751f\u6548\uff0c\u4f18\u5148\u68c0\u67e5 mask\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u56db\u3001setgid \u2014\u2014 \u8ba9\u76ee\u5f55\u5185\u7684\u65b0\u6587\u4ef6\u81ea\u52a8\u7ee7\u627f\u5c5e\u7ec4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">setgid\uff08Set Group ID\uff09\u662f\u4e00\u4e2a<strong>\u7279\u6b8a\u6743\u9650\u4f4d<\/strong>\uff0c\u4e3b\u8981\u7528\u4e8e\u76ee\u5f55\uff1a\u5f53\u76ee\u5f55\u8bbe\u7f6e\u4e86 setgid\uff0c<strong>\u8be5\u76ee\u5f55\u4e0b\u65b0\u5efa\u7684\u6587\u4ef6\/\u5b50\u76ee\u5f55\u4f1a\u81ea\u52a8\u7ee7\u627f\u76ee\u5f55\u7684\u5c5e\u7ec4<\/strong>\uff0c\u800c\u4e0d\u662f\u7ee7\u627f\u521b\u5efa\u8005\u7684\u9ed8\u8ba4\u5c5e\u7ec4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5bf9\u4e8e<strong>\u56e2\u961f\u5171\u4eab\u76ee\u5f55<\/strong>\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u8bbe\u7f6e setgid<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6570\u5b57\u65b9\u5f0f\uff1a\u5728\u6743\u9650\u524d\u9762\u52a0 2\nchmod 2775 shared_dir\/\n\n# \u7b26\u53f7\u65b9\u5f0f\nchmod g+s shared_dir\/<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u67e5\u770b setgid<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ls -l<\/code> \u4e2d\uff0c\u5c5e\u7ec4\u7684 <code>x<\/code> \u4f4d\u4f1a\u53d8\u6210 <code>s<\/code>\uff08\u5982\u679c\u539f\u6765\u6709\u6267\u884c\u6743\u9650\uff09\u6216 <code>S<\/code>\uff08\u5982\u679c\u539f\u6765\u6ca1\u6709\u6267\u884c\u6743\u9650\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>drwxrwsr-x 2 alice devops 4096 Apr 16 10:00 shared_dir\/\n#      \u2191 \u8fd9\u4e2a s \u8868\u793a setgid \u5df2\u8bbe\u7f6e<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3. setgid \u7684\u6548\u679c<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5047\u8bbe shared_dir \u5c5e\u7ec4\u4e3a devops\uff0c\u8bbe\u7f6e\u4e86 setgid\n$ ls -ld shared_dir\/\ndrwxrwsr-x 2 alice devops 4096 Apr 16 10:00 shared_dir\/\n\n# \u7528\u6237 bob\uff08\u5c5e\u4e8e devops \u7ec4\uff09\u5728\u76ee\u5f55\u5185\u65b0\u5efa\u6587\u4ef6\n$ touch shared_dir\/newfile.txt\n$ ls -l shared_dir\/newfile.txt\n-rw-r--r-- 1 bob devops 0 Apr 16 10:01 newfile.txt\n#               \u2191 \u5c5e\u7ec4\u81ea\u52a8\u53d8\u6210\u4e86 devops\uff0c\u800c\u4e0d\u662f bob \u7684\u9ed8\u8ba4\u7ec4<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\uff0c\u540c\u7ec4\u6210\u5458\u90fd\u80fd\u4e92\u76f8\u8bbf\u95ee\u5f7c\u6b64\u65b0\u5efa\u7684\u6587\u4ef6\uff08\u524d\u63d0\u662f\u6743\u9650\u5141\u8bb8\uff09\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1asetgid \u53ea\u5f71\u54cd<strong>\u65b0\u5efa<\/strong>\u7684\u6587\u4ef6\uff0c\u5df2\u6709\u6587\u4ef6\u7684\u5c5e\u7ec4\u4e0d\u4f1a\u6539\u53d8\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e94\u3001umask \u2014\u2014 \u65b0\u5efa\u6587\u4ef6\/\u76ee\u5f55\u65f6\u7684\u9ed8\u8ba4\u6743\u9650\u63a9\u7801<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>umask<\/code> \u51b3\u5b9a\u4e86\u65b0\u521b\u5efa\u6587\u4ef6\u6216\u76ee\u5f55\u7684<strong>\u9ed8\u8ba4\u6743\u9650<\/strong>\u3002\u5b83\u4e0d\u662f\u4e00\u4e2a\u6743\u9650\u8bbe\u7f6e\uff0c\u800c\u662f\u4e00\u4e2a\u201c\u51cf\u53bb\u201d\u7684\u503c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u89c4\u5219<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u4ef6\u7684\u9ed8\u8ba4\u57fa\u51c6\u6743\u9650\u662f <strong>666<\/strong>\uff08<code>rw-rw-rw-<\/code>\uff09\u3002<\/li>\n\n\n\n<li>\u76ee\u5f55\u7684\u9ed8\u8ba4\u57fa\u51c6\u6743\u9650\u662f <strong>777<\/strong>\uff08<code>rwxrwxrwx<\/code>\uff09\u3002<\/li>\n\n\n\n<li>\u6700\u7ec8\u6743\u9650 = \u57fa\u51c6\u6743\u9650 &#8211; umask \u503c\uff08\u6309\u4f4d\u51cf\u53bb\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e38\u89c1 umask \u503c\u53ca\u6548\u679c<\/strong>\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>umask<\/th><th>\u65b0\u6587\u4ef6\u6743\u9650<\/th><th>\u65b0\u76ee\u5f55\u6743\u9650<\/th><\/tr><\/thead><tbody><tr><td>022<\/td><td>644\uff08<code>rw-r--r--<\/code>\uff09<\/td><td>755\uff08<code>rwxr-xr-x<\/code>\uff09<\/td><\/tr><tr><td>002<\/td><td>664\uff08<code>rw-rw-r--<\/code>\uff09<\/td><td>775\uff08<code>rwxrwxr-x<\/code>\uff09<\/td><\/tr><tr><td>077<\/td><td>600\uff08<code>rw-------<\/code>\uff09<\/td><td>700\uff08<code>rwx------<\/code>\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u67e5\u770b\u548c\u8bbe\u7f6e umask<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u770b\u5f53\u524d umask\uff08\u6570\u5b57\u5f62\u5f0f\uff09\numask\n# \u8f93\u51fa 022\n\n# \u8bbe\u7f6e umask\uff08\u4e34\u65f6\uff0c\u4ec5\u5f53\u524d shell\uff09\numask 002\n\n# \u6c38\u4e45\u8bbe\u7f6e\uff1a\u5199\u5165 ~\/.bashrc \u6216 \/etc\/profile\necho \"umask 002\" >> ~\/.bashrc<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4e2a\u4eba\u4e60\u60ef\uff1a\u5728\u591a\u7528\u6237\u534f\u4f5c\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u628a umask \u8bbe\u4e3a <code>002<\/code>\uff0c\u8fd9\u6837\u540c\u7ec4\u6210\u5458\u521b\u5efa\u7684\u6587\u4ef6\u9ed8\u8ba4\u53ef\u88ab\u7ec4\u5185\u5176\u4ed6\u4eba\u4fee\u6539\uff0c\u51cf\u5c11\u6743\u9650\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u516d\u3001\u7efc\u5408\u6848\u4f8b\uff1a\u914d\u7f6e\u4e00\u4e2a\u7ec4\u5185\u5171\u4eab\u5de5\u4f5c\u76ee\u5f55<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9700\u6c42<\/strong>\uff1a\u6709\u4e00\u4e2a\u9879\u76ee\u7ec4 <code>proj<\/code>\uff0c\u6210\u5458\u5305\u62ec <code>alice<\/code>\u3001<code>bob<\/code>\u3001<code>carol<\/code>\u3002\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5171\u4eab\u76ee\u5f55 <code>\/data\/project<\/code>\uff0c\u8981\u6c42\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53ea\u6709 <code>proj<\/code> \u7ec4\u7684\u6210\u5458\u53ef\u4ee5\u8fdb\u5165\u548c\u64cd\u4f5c\u8be5\u76ee\u5f55\u3002<\/li>\n\n\n\n<li>\u76ee\u5f55\u5185\u65b0\u5efa\u7684\u6587\u4ef6\/\u5b50\u76ee\u5f55\u81ea\u52a8\u7ee7\u627f <code>proj<\/code> \u7ec4\uff0c\u7ec4\u6210\u5458\u53ef\u4ee5\u4e92\u76f8\u7f16\u8f91\u3002<\/li>\n\n\n\n<li>\u9879\u76ee\u7ecf\u7406 <code>alice<\/code> \u62e5\u6709\u5220\u9664\u4efb\u610f\u6587\u4ef6\u7684\u6743\u9650\uff0c\u666e\u901a\u6210\u5458\u4e0d\u80fd\u5220\u9664\u4ed6\u4eba\u521b\u5efa\u7684\u6587\u4ef6\uff08\u9664\u975e\u6587\u4ef6\u6743\u9650\u5141\u8bb8\uff09\u3002<\/li>\n\n\n\n<li>\u4e34\u65f6\u6210\u5458 <code>tempuser<\/code> \u53ea\u6709\u53ea\u8bfb\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b65\u9aa4 1\uff1a\u521b\u5efa\u7ec4\u548c\u7528\u6237<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u521b\u5efa\u7ec4\ngroupadd proj\n\n# \u6dfb\u52a0\u7528\u6237\u5e76\u52a0\u5165\u7ec4\nuseradd -G proj alice\nuseradd -G proj bob\nuseradd -G proj carol\nuseradd tempuser   # \u4e34\u65f6\u7528\u6237\uff0c\u4e0d\u5c5e\u4e8e proj \u7ec4\n\n# \u8bbe\u7f6e\u5bc6\u7801\uff08\u7565\uff09<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b65\u9aa4 2\uff1a\u521b\u5efa\u5171\u4eab\u76ee\u5f55\u5e76\u8bbe\u7f6e\u57fa\u7840\u6743\u9650<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>mkdir -p \/data\/project\nchown root:proj \/data\/project   # \u5c5e\u7ec4\u8bbe\u4e3a proj\nchmod 2770 \/data\/project        # \u6743\u9650 2770\uff1arwxrwx--- + setgid<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>2770<\/code>\uff1a\u5c5e\u4e3b root \u6709\u5168\u90e8\u6743\u9650\uff0c\u5c5e\u7ec4 proj \u6709\u5168\u90e8\u6743\u9650\uff0c\u5176\u4ed6\u4eba\u65e0\u6743\u9650\u3002<\/li>\n\n\n\n<li><code>2<\/code>\uff08setgid\uff09\uff1a\u786e\u4fdd\u76ee\u5f55\u5185\u65b0\u5efa\u6587\u4ef6\u7684\u5c5e\u7ec4\u81ea\u52a8\u4e3a <code>proj<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u68c0\u67e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ls -ld \/data\/project\n# drwxrws--- 2 root proj 4096 Apr 16 10:00 \/data\/project<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b65\u9aa4 3\uff1a\u4f7f\u7528 ACL \u6dfb\u52a0\u4e34\u65f6\u7528\u6237\u7684\u53ea\u8bfb\u6743\u9650<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>setfacl -m u:tempuser:r-x \/data\/project\n# \u6ce8\u610f\uff1a\u5bf9\u76ee\u5f55\u9700\u8981 r \u548c x \u624d\u80fd\u8fdb\u5165\u548c\u5217\u51fa\u5185\u5bb9<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b65\u9aa4 4\uff1a\u7ed9\u9879\u76ee\u7ecf\u7406\u989d\u5916\u7684\u5220\u9664\u6743\u9650\uff08\u53ef\u9009\uff0c\u56e0\u4e3a\u5df2\u7ecf\u662f\u5c5e\u7ec4\u6210\u5458\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u4e0a alice \u4f5c\u4e3a proj \u7ec4\u6210\u5458\uff0c\u5df2\u7ecf\u6709 <code>rwx<\/code> \u6743\u9650\uff0c\u53ef\u4ee5\u5220\u9664\u4efb\u610f\u6587\u4ef6\u3002\u4f46\u5982\u679c\u5e0c\u671b\u9650\u5236\u666e\u901a\u6210\u5458\u4e0d\u80fd\u5220\u9664\u4ed6\u4eba\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u6574 umask \u548c ACL \u7684 mask\uff0c\u6216\u8005\u4f7f\u7528\u66f4\u7ec6\u7c92\u5ea6\u7684 ACL \u5bf9 <code>alice<\/code> \u8d4b\u4e88\u7279\u6b8a\u6743\u9650\uff08\u4f46\u8fd9\u91cc\u9ed8\u8ba4\u5df2\u7ecf\u6ee1\u8db3\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u4e25\u683c\u7684\u573a\u666f\uff1a\u666e\u901a\u6210\u5458\u53ea\u80fd\u5220\u9664\u81ea\u5df1\u521b\u5efa\u7684\u6587\u4ef6\u3002\u8fd9\u9700\u8981\u4f9d\u8d56<strong>\u7c98\u6ede\u4f4d\uff08sticky bit\uff09<\/strong>\uff0c\u4f8b\u5982 <code>\/tmp<\/code> \u76ee\u5f55\u7684 <code>t<\/code> \u6743\u9650\u3002\u53ef\u4ee5\u5728\u5171\u4eab\u76ee\u5f55\u8bbe\u7f6e\u7c98\u6ede\u4f4d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod +t \/data\/project   # \u6dfb\u52a0\u7c98\u6ede\u4f4d\uff0c\u4f7f\u5f97\u53ea\u6709\u6587\u4ef6\u5c5e\u4e3b\u3001\u76ee\u5f55\u5c5e\u4e3b\u3001root \u80fd\u5220\u9664\u6587\u4ef6<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u7c98\u6ede\u4f4d\u4e0e setgid \u540c\u65f6\u4f7f\u7528\u9700\u8981\u6ce8\u610f\uff1a<code>chmod 3770 \/data\/project<\/code>\uff083 = setgid + sticky\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8fc7\u672c\u6848\u4f8b\u4e0d\u5f3a\u5236\u8981\u6c42\u7c98\u6ede\u4f4d\uff0c\u6309\u9700\u6c42\u7075\u6d3b\u9009\u62e9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b65\u9aa4 5\uff1a\u914d\u7f6e umask \u786e\u4fdd\u7ec4\u6210\u5458\u9ed8\u8ba4\u53ef\u5199<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u6c42\u6bcf\u4e2a\u6210\u5458\u5728\u81ea\u5df1\u7684 shell \u73af\u5883\uff08\u6216\u7cfb\u7edf\u5168\u5c40\uff09\u8bbe\u7f6e umask \u4e3a <code>002<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5728 \/etc\/profile \u6216 \/etc\/bash.bashrc \u4e2d\u6dfb\u52a0\nif &#91; $UID -gt 199 ] &amp;&amp; &#91; \"`id -gn`\" = \"`id -un`\" ]; then\n    umask 002\nelse\n    umask 022\nfi<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u65b0\u6587\u4ef6\u6743\u9650\u4e3a <code>664<\/code>\uff08<code>rw-rw-r--<\/code>\uff09\uff0c\u65b0\u76ee\u5f55\u6743\u9650\u4e3a <code>775<\/code>\uff08<code>rwxrwxr-x<\/code>\uff09\uff0c\u7ec4\u6210\u5458\u53ef\u4e92\u76f8\u4fee\u6539\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b65\u9aa4 6\uff1a\u9a8c\u8bc1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5 <code>bob<\/code> \u8eab\u4efd\u767b\u5f55\uff0c\u5728 <code>\/data\/project<\/code> \u4e2d\u521b\u5efa\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>su - bob\ncd \/data\/project\necho \"hello\" &gt; bob.txt\nls -l bob.txt\n# -rw-rw-r-- 1 bob proj 6 Apr 16 10:05 bob.txt\n#          \u2191 \u5c5e\u7ec4\u4e3a proj\uff0c\u7ec4\u6210\u5458\u53ef\u5199<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5 <code>alice<\/code> \u8eab\u4efd\u767b\u5f55\uff0c\u5c1d\u8bd5\u4fee\u6539 <code>bob.txt<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>su - alice\necho \"world\" &gt;&gt; \/data\/project\/bob.txt   # \u6210\u529f<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5 <code>tempuser<\/code> \u8eab\u4efd\u767b\u5f55\uff0c\u5c1d\u8bd5\u5199\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>su - tempuser\ntouch \/data\/project\/temp.txt\n# touch: cannot touch 'temp.txt': Permission denied<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u53ef\u4ee5\u8bfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat \/data\/project\/bob.txt   # \u6210\u529f<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u914d\u7f6e\u5b8c\u6210\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e03\u3001\u901f\u67e5\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u64cd\u4f5c<\/th><th>\u547d\u4ee4<\/th><\/tr><\/thead><tbody><tr><td>\u67e5\u770b\u6743\u9650<\/td><td><code>ls -l<\/code><\/td><\/tr><tr><td>\u4fee\u6539\u6743\u9650\uff08\u6570\u5b57\uff09<\/td><td><code>chmod 755 file<\/code><\/td><\/tr><tr><td>\u4fee\u6539\u6743\u9650\uff08\u7b26\u53f7\uff09<\/td><td><code>chmod u+x,g-w,o=r file<\/code><\/td><\/tr><tr><td>\u4fee\u6539\u5c5e\u4e3b<\/td><td><code>chown alice file<\/code><\/td><\/tr><tr><td>\u4fee\u6539\u5c5e\u7ec4<\/td><td><code>chgrp devops file<\/code><\/td><\/tr><tr><td>\u67e5\u770b ACL<\/td><td><code>getfacl file<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e ACL\uff08\u7528\u6237\uff09<\/td><td><code>setfacl -m u:bob:rwx file<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e ACL\uff08\u7ec4\uff09<\/td><td><code>setfacl -m g:proj:rx file<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e\u9ed8\u8ba4 ACL\uff08\u7ee7\u627f\uff09<\/td><td><code>setfacl -m d:u:bob:rx dir\/<\/code><\/td><\/tr><tr><td>\u79fb\u9664 ACL<\/td><td><code>setfacl -x u:bob file<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e setgid\uff08\u6570\u5b57\uff09<\/td><td><code>chmod 2775 dir<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e setgid\uff08\u7b26\u53f7\uff09<\/td><td><code>chmod g+s dir<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e\u7c98\u6ede\u4f4d<\/td><td><code>chmod +t dir<\/code><\/td><\/tr><tr><td>\u67e5\u770b umask<\/td><td><code>umask<\/code><\/td><\/tr><tr><td>\u8bbe\u7f6e umask<\/td><td><code>umask 002<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u516b\u3001\u4e2a\u4eba\u7ecf\u9a8c\u603b\u7ed3<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f18\u5148\u4f7f\u7528 UGO + setgid<\/strong> \u89e3\u51b3\u5927\u90e8\u5206\u5171\u4eab\u76ee\u5f55\u9700\u6c42\uff0cACL \u4f5c\u4e3a\u8865\u5145\uff08\u5982\u7ed9\u7279\u5b9a\u7528\u6237\u53ea\u8bfb\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u8981\u6ee5\u7528 ACL<\/strong>\uff0c\u5b83\u4f1a\u8ba9 <code>ls -l<\/code> \u65e0\u6cd5\u5b8c\u6574\u663e\u793a\u6743\u9650\uff0c\u6392\u67e5\u95ee\u9898\u8bb0\u5f97\u7528 <code>getfacl<\/code>\u3002<\/li>\n\n\n\n<li><strong>setgid \u662f\u5171\u4eab\u76ee\u5f55\u7684\u597d\u5e2e\u624b<\/strong>\uff0c\u914d\u5408 umask 002 \u53ef\u4ee5\u7701\u53bb\u5927\u91cf <code>chgrp<\/code> \u64cd\u4f5c\u3002<\/li>\n\n\n\n<li><strong>mask \u662f\u4e2a\u9690\u85cf\u5751<\/strong>\uff1a\u5982\u679c ACL \u4e0d\u751f\u6548\uff0c\u5148\u68c0\u67e5 mask\u3002<\/li>\n\n\n\n<li><strong>\u65b0\u6587\u4ef6\u6743\u9650\u5f02\u5e38<\/strong>\uff1a\u68c0\u67e5 umask \u662f\u5426\u7b26\u5408\u9884\u671f\uff0c\u5c24\u5176\u662f\u4e0d\u540c\u7528\u6237\u7684\u9ed8\u8ba4 umask \u53ef\u80fd\u4e0d\u540c\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6743\u9650\u662f\u4ec0\u4e48\uff1f Linux \u662f\u591a\u7528\u6237\u591a\u4efb\u52a1\u7cfb\u7edf\uff0c\u6587\u4ef6\u6743\u9650\u51b3\u5b9a\u4e86\u201c\u8c01\u80fd\u5bf9\u6587\u4ef6\u505a\u4ec0\u4e48\u201d\u3002\u5bf9\u8fd0\u7ef4\u548c\u65e5\u5e38\u4f7f\u7528\u6765\u8bf4\uff0c\u7406 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":84,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[27,29,31],"class_list":["post-83","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mtsb","tag-linux","tag-29","tag-31"],"_links":{"self":[{"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":1,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":85,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/posts\/83\/revisions\/85"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/media\/84"}],"wp:attachment":[{"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bojinhu.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}