{"id":163232,"date":"2020-10-03T15:46:54","date_gmt":"2020-10-03T07:46:54","guid":{"rendered":"http:\/\/4563.org\/?p=163232"},"modified":"2020-10-03T15:46:54","modified_gmt":"2020-10-03T07:46:54","slug":"linux-%e6%96%87%e4%bb%b6%e6%9d%83%e9%99%90%e4%b8%ad%ef%bc%8c%e6%93%8d%e4%bd%9c%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e9%9c%80%e8%a6%81%e7%88%b6%e7%9b%ae%e5%bd%95%e7%9a%84%e9%82%a3%e4%ba%9b%e6%9d%83","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=163232","title":{"rendered":"Linux \u6587\u4ef6\u6743\u9650\u4e2d\uff0c\u64cd\u4f5c\u4e00\u4e2a\u6587\u4ef6\u9700\u8981\u7236\u76ee\u5f55\u7684\u90a3\u4e9b\u6743\u9650\uff1f"},"content":{"rendered":"
\n
\n
\n

Linux \u6587\u4ef6\u6743\u9650\u4e2d\uff0c\u64cd\u4f5c\u4e00\u4e2a\u6587\u4ef6\u9700\u8981\u7236\u76ee\u5f55\u7684\u90a3\u4e9b\u6743\u9650\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : eudore <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
linux \u6587\u4ef6\u6743\u9650\u4e2d\uff0c\u64cd\u4f5c\u4e00\u4e2a\u6587\u4ef6\u9700\u8981\u7236\u76ee\u5f55\u7684\u90a3\u4e9b\u6743\u9650\uff1f \u662f\u5426\u9700\u8981\u68c0\u67e5\u6bcf\u7ea7\u76ee\u5f55\uff1f\u60f3\u627e\u5230\u4e00\u4efd\u5b8c\u6574\u89c4\u8303\u6b63\u786e\u7684\u6307\u5bfc\uff0c\u81ea\u5df1\u5728\u5199\u68c0\u67e5 linux \u7528\u6237\u6587\u4ef6\u6743\u9650\u7684\u4ee3\u7801\u3002
\u4f8b\u5982\u8bfb\u53d6\u4e00\u4e2a\u6587\u4ef6 \/home\/v2ex\/.ssh\/authorized_keys, \u9700\u8981 authorized_keys \u5177\u6709 r\uff0c\/home \u3001\/home\/v2ex \u3001\/home\/v2ex\/.ssh \u4e09\u4e2a\u76ee\u5f55\u9700\u8981 x \u6743\u9650\u3002 <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (11<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zengxs <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6d4f\u89c8\u76ee\u5f55\u9700\u8981 r \u6743\u9650
    \u8fdb\u5165\u76ee\u5f55\u9700\u8981 x \u6743\u9650
    \u5411\u76ee\u5f55\u5199\u5165\u6587\u4ef6\u9700\u8981 w \u6743\u9650<\/p>\n

    \u4e0d\u68c0\u67e5\u6bcf\u7ea7\u76ee\u5f55 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Chenamy2017 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8981\u64cd\u4f5c\u6587\u4ef6\uff0c\u90a3\u4e48\u4f60\u5c31\u68c0\u67e5\u8be5\u6587\u4ef6\u7684\u6743\u9650\uff0c\u4f60\u8981\u64cd\u4f5c\u76ee\u5f55\u5c31\u68c0\u67e5\u76ee\u5f55\u7684\u6743\u9650\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : NoobX <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u77e5\u9053\u4f60\u7528\u7684\u4ec0\u4e48\u8bed\u8a00
    \u5982\u679c\u662f\u7528 C\uff0c\u76f4\u63a5\u4f7f\u7528 open() syscall\uff0ccheck \u8fd4\u56de\u503c\u548c errno \u5373\u53ef\uff0c\u6839\u636e errno \u786e\u5b9a\u51fa\u9519\u539f\u56e0\uff0c\u6d41\u7a0b\u6ca1\u90a3\u4e48\u590d\u6742 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Mutoo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9700\u8981\u9012\u5f52\u6743\u9650\u7684\u3002\u5982\u679c\u7236\u76ee\u5f55\u65e0\u6cd5\u8bbf\u95ee\uff0c\u5c31\u7b97\u91cc\u9762\u7684\u6587\u4ef6\u662f 777 \u4f60\u4e5f\u6ca1\u529e\u6cd5\u8bfb\u53d6\u3002
    \u53e6\u5916\u53ef\u4ee5\u7528 namei \u8fd9\u4e2a\u547d\u4ee4\u68c0\u67e5\u6574\u4e2a\u8def\u5f84\u7684\u6743\u9650\u3002\u5982\u679c\u4e2d\u95f4\u6709\u67d0\u4e2a\u8def\u5f84\u6743\u9650\u6709\u95ee\u9898\uff0c\u4e00\u4e0b\u5c31\u53ef\u4ee5\u53d1\u73b0\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : eudore <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @NoobX \u4f7f\u7528\u7684 go \u5199\u7684\uff0c\u9700\u8981\u9a8c\u8bc1 sftp \u767b\u5f55\u7528\u6237\u7684\u662f\u5426\u5177\u6709\u64cd\u4f5c\u4e00\u4e2a sftp \u8bf7\u6c42\u6587\u4ef6\u7684\u6743\u9650\u3002
    \u53ea\u6709\u4e00\u4e2a\u9700\u8981\u9a8c\u8bc1\u7684\u7528\u6237\u540d\u548c\u76ee\u6807\u76ee\u5f55\uff0c\u73b0\u5728\u5b9e\u73b0\u6743\u9650\u9a8c\u8bc1\u903b\u8f91\uff0c\u4f46\u662f\u4e0d\u8bf7\u6c42\u4e00\u4e2a\u64cd\u4f5c\u9700\u8981\u4ec0\u4e48\u6837\u7684\u6743\u9650(\u6587\u4ef6\u76ee\u5f55\u7684 rwx \u4e00\u5171\u516d\u79cd\u60c5\u51b5\u9700\u8981\u4ec0\u4e48\u6837\u7684\u7236\u76ee\u5f55\u6743\u9650)\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : eudore <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Mutoo \u6211\u770b\u4e86\u4e0b namei \u547d\u4ee4\uff0c\u53d1\u73b0\u662f\u5217\u51fa\u4e00\u4e2a\u76ee\u5f55\u6bcf\u7ea7\u7684\u6743\u9650\u4fe1\u606f\uff0c\u4f46\u662f\u4e0d\u80fd\u53bb\u9a8c\u8bc1\u6307\u5b9a\u7528\u6237\u6587\u4ef6\u6743\u9650\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : eudore <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e2a\u4eba\u611f\u89c9\u662f\u5bf9\u4e00\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u64cd\u4f5c\u65f6\uff0c\u662f\u9700\u8981\u5176\u7236\u76ee\u5f55\u6bcf\u7ea7 x \u6743\u9650\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : NoobX <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @eudore \u62b1\u6b49\uff0c\u6211\u5bf9 go \u4e0d\u600e\u4e48\u719f\u6089\uff0c\u5c31\u4e0d\u778e BB \u8bef\u5bfc\u4f60\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : libook <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9700\u8981\u68c0\u67e5\u6bcf\u4e00\u7ea7\u76ee\u5f55\u7684\u6743\u9650\uff0c\u4f46\u5e76\u4e0d\u4e00\u5b9a\u6bcf\u4e00\u7ea7\u76ee\u5f55\u90fd\u5fc5\u987b\u7ed9\u6240\u6709\u6743\u9650\u3002<\/p>\n

    \u53ef\u4ee5\u53c2\u8003\u8fd9\u4e2a https:\/\/wiki.archlinux.org\/index.php\/Users_and_groups_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87) <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : libook <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e2d\u6587\u7248 Wiki \u7684\u201cLinux \u6587\u4ef6\u6743\u9650\u201d\u7684\u94fe\u63a5\u8c8c\u4f3c\u6302\u4e86\uff0c\u770b\u8fd9\u4e2a https:\/\/www.linux.com\/training-tutorials\/understanding-linux-file-permissions\/ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Mutoo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @eudore \u662f\u9700\u8981\u6bcf\u7ea7\u7684 x \u6743\u9650\uff0c\u4f46\u662f\u8fd9\u4e2a\u6743\u9650\u53ef\u4ee5\u6765\u81ea owner \u3001group \u6216 other \u7ec4 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Linux \u6587\u4ef6\u6743\u9650\u4e2d\uff0c\u64cd\u4f5c\u4e00\u4e2a\u6587…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/163232"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=163232"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/163232\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=163232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=163232"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=163232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}