linux\u8d4b\u4e88\u7528\u6237\u8bfb\u5199\u6743\u9650<\/strong>\uff0c\u53ea\u8bfb\u6743\u9650\u7684\u4ee3\u7801\u662f4\uff0c\u5177\u4f53\u7684\u53e5\u578b\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\nchmod[who][+|-|=][mode][file\/dir]<\/p>\n
\u5176\u4e2d\uff0c\u5404\u4e2a\u9009\u9879\u7684\u542b\u610f\u5982\u4e0b\uff1a<\/p>\n
1.who\uff1a\u8868\u793a\u4f5c\u7528\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u662fu\uff08\u7528\u6237\uff09\u3001g\uff08\u7528\u6237\u7ec4\uff09\u6216o\uff08\u5176\u5b83\u7528\u6237\uff09\uff0c\u4e5f\u53ef\u4ee5\u662fa\uff08\u6240\u6709\u4eba\uff09\uff1b<\/p>\n
2.+|-|=\uff1a\u8868\u793a\u64cd\u4f5c\u7684\u6743\u9650\uff0c+\u8868\u793a\u6dfb\u52a0\u6743\u9650linux\u547d\u4ee4\u8be6\u89e3\u8bcd\u5178\uff0c-\u8868\u793a\u5220\u6389\u6743\u9650\uff0c=\u8868\u793a\u8d4b\u4e8e\u6743\u9650\uff1b<\/p>\n
3.mode\uff1a\u8868\u793a\u8981\u8bbe\u7f6e\u7684\u6743\u9650\uff0c\u53ef\u4ee5\u662fr\uff08\u8bfb\u53d6\uff09\u3001w\uff08\u5199\u5165\uff09\u6216x\uff08\u6267\u884c\uff09\uff0c\u4e5f\u53ef\u4ee5\u662f\u6570\u5b57\uff0c\u8868\u793a\u5177\u4f53\u7684\u6743\u9650\u503c\uff1b<\/p>\n
4.file\/dir\uff1a\u8868\u793a\u8981\u8bbe\u7f6e\u6743\u9650\u7684\u6587\u4ef6\u6216\u76ee\u5f55\u3002<\/p>\n
\u6bd4\u5982\uff0c\u6211\u4eec\u8981\u5c06\u6587\u4ef6file.txt\u7684\u6743\u9650\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
chmodu-wfile.txt<\/p>\n
\u8fd9\u4e2a\u547d\u4ee4\u7684\u542b\u610f\u662f\uff0c\u5c06\u6587\u4ef6file.txt\u7684\u7528\u6237\u6743\u9650\uff08\u5373owner\u6743\u9650\uff09\u7684\u5199\u5165\u6743\u9650\uff08w\uff09\u9664\u53bb\uff0c\u56e0\u800c\u4f7f\u8fd9\u4e2a\u6587\u4ef6\u53ea\u624d\u80fd\u88ab\u8bfb\u53d6\u3002<\/p>\n
\u4e09\u3001\u6279\u91cf\u8bbe\u7f6e\u53ea\u8bfb\u6743\u9650<\/p>\n
\u5047\u5982\u6211\u4eec\u987b\u8981\u540c\u65f6\u5c06\u591a\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\uff0c\u8fd9\u4e48\u5355\u72ec\u4f7f\u7528chmod\u547d\u4ee4\u4f3c\u4e4e\u4e0d\u592a\u4fbf\u6377\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528find\u547d\u4ee4\u6765\u67e5\u627e\u7b26\u5408\u6761\u4ef6\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528xargs\u547d\u4ee4\u5c06\u5b83\u4eec\u4f20\u9012\u7ed9chmod\u547d\u4ee4\u3002\u5177\u4f53\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
find.-typef|xargschmodu-w<\/p>\n
\u8fd9\u4e2a\u547d\u4ee4\u7684\u542b\u610f\u662flinux\u64cd\u4f5c\u7cfb\u7edf\u4e0b\u8f7d\uff0c\u5148\u7528find\u547d\u4ee4\u67e5\u627e\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\uff08-typef\uff09\uff0c\u4e4b\u540e\u5c06\u5b83\u4eec\u4f20\u9012\u7ed9xargs\u547d\u4ee4\uff0c\u5728xargs\u547d\u4ee4\u4e2d\u6267\u884cchmodu-w\u6765\u53bb\u9664\u5b83\u4eec\u7684\u7528\u6237\u5199\u5165\u6743\u9650\uff08u-w\uff09\u3002<\/p>\n
\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u7684\u521b\u5efa\u548c\u6743\u9650\u7684\u8bbe\u7f6e\u662f\u6781\u5176\u91cd\u8981\u7684\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u600e\u6837\u521b\u5efa\u7528\u6237\u5e76\u8bbe\u7f6e\u53ea\u8bfb\u6743\u9650\uff0c\u5e0c\u671b\u5bf9\u4f60\u4eec\u6709\u6240\u5e2e\u52a9\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u5f3a\u70c8\u5efa\u8bae\u4f60\u4eec\u5728\u4f7f\u7528Linux\u7cfb\u7edf\u65f6\uff0c\u4e00\u5b9a\u8981\u6ce8\u610f\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u8fd0\u884c\u7684\u7a33\u5b9a\u6027\uff0c\u9632\u6b62\u4f55\u5fc5\u8981\u7684\u98ce\u9669\u548c\u95ee\u9898\u3002<\/p>\n
\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/p>\n
\u600e\u6837\u5728Linux\u4e0b\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868(ACL)\u6765\u63a7\u5236\u7528\u6237\u7684\u6743\u9650<\/p>\n
Linux\u4e0b\u7684\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09\u4e3b\u8981\u62ff\u6765\u63a7\u5236\u7528\u6237\u7684\u6743\u9650\uff0c\u53ef\u4ee5\u505a\u5230\u4e0d\u540c\u7528\u6237\u5bf9\u540c\u4e00\u6587\u4ef6\u6709\u4e0d\u540c\u7684\u6743\u9650\uff0c\u8fd9\u4e48\u5177\u4f53\u8981\u600e\u4e48\u64cd\u4f5c\u5462\uff1f\u4e0b\u8fb9\u5c0f\u7f16\u5c31\u6559\u4f60\u600e\u6837\u5728Linux\u4e0b\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09\u6765\u63a7\u5236\u7528\u6237\u7684\u6743\u9650\u3002<\/p>\n
\u4f7f\u7528\u62e5\u6709\u6743\u9650\u63a7\u5236\u7684Liunx\uff0c\u5de5\u4f5c\u662f\u4e00\u4ef6\u8f7b\u677e\u7684\u4efb\u52a1\u3002\u5b83\u53ef\u4ee5\u5b9a\u4e49\u4efb\u4f55user\uff0cgroup\u548cother\u7684\u6743\u9650\u3002\u65e0\u8bba\u662f\u5728\u684c\u9762\u7b14\u8bb0\u672c\u6216\u5219\u4e0d\u4f1a\u6709\u597d\u591a\u7528\u6237\u7684\u865a\u62dfLinux\u5b9e\u4f8b\uff0c\u6216\u5219\u5f53\u7528\u6237\u4e0d\u4e50\u610f\u5206\u4eab\u5979\u4eec\u4e4b\u95f4\u7684\u6587\u4ef6\u65f6\uff0c\u8fd9\u6837\u7684\u5de5\u4f5c\u662f\u5f88\u68d2\u7684\u3002\u4f46\u662f\uff0c\u5047\u5982\u4f60\u662f\u5728\u4e00\u4e2a\u5c0f\u578b\u7ec4\u7ec7\uff0c\u4f60\u8fd0\u884c\u4e86\u8fd0\u9882\u6bd5NFS\u6216\u5219Samba\u670d\u52a1\u7ed9\u4e0d\u540c\u7684\u7528\u6237\uff0c\u4e4b\u540e\u4f60\u5c06\u4f1a\u9700\u6a31\u7a3f\u8981\u7075\u6d3b\u7684\u9009\u8d2d\u5e76\u8bbe\u7f6e\u597d\u591a\u590d\u6742\u7684\u914d\u7f6e\u548c\u6743\u9650\u53bb\u6ee1\u8db3\u4f60\u7684\u7ec4\u7ec7\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n
Linux\uff08\u548c\u5176\u4ed6Unix\u7b49POSIX\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\uff09\u6709\u4e00\u79cd\u88ab\u79f0\u4e3a\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09\u7684\u6743\u9650\u63a7\u5236\u65b9\u5f0f\uff0c\u5b83\u662f\u4e00\u79cd\u6743\u9650\u5206\u914d\u4e4b\u5916\u7684\u666e\u904d\u8303\u5f0f\u3002\u8bf8\u5982\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f60\u987b\u8981\u786e\u8ba43\u4e2a\u6743\u9650\u7ec4\uff1aowner\u3001group\u548cother\u3002\u800c\u4f7f\u7528ACL\uff0c\u4f60\u53ef\u4ee5\u964d\u4f4e\u6743\u9650\u7ed9\u5176\u4ed6\u7528\u6237\u6216\u7ec4\u522b\uff0c\u800c\u4e0d\u5355\u53ea\u662f\u7b80\u5355\u7684\u201cother\u201d\u6216\u8005\u662f\u62e5\u6709\u8005\u4e0d\u5b58\u5728\u7684\u7ec4\u522b\u3002\u53ef\u4ee5\u5bb9\u8bb8\u6307\u5b9a\u7684\u7528\u6237A\u3001B\u3001C\u62e5\u6709\u5199\u6743\u9650\u800c\u4e0d\u518d\u662f\u8ba9\u5979\u4eec\u6574\u4e2a\u7ec4\u62e5\u6709\u5199\u6743\u9650\u3002<\/p>\n
ACL\u652f\u6301\u591a\u79cdLinux\u6587\u4ef6\u7cfb\u7edf\uff0c\u5305\u62ecext2\uff0cext3\uff0cext4\uff0cXFS\uff0cBtfrs\uff0c\u7b49\u3002\u5047\u5982\u4f60\u4e0d\u786e\u5b9a\u4f60\u7684\u6587\u4ef6\u7cfb\u7edf\u662f\u5426\u652f\u6301ACL\uff0c\u8bf7\u53c2\u8003\u6587\u6863\u3002<\/p>\n
\u5728\u6587\u4ef6\u7cfb\u7edf\u4f7fACL\u751f\u6548<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u987b\u8981\u5b89\u88c5\u5de5\u5177\u6765\u7ba1\u7406ACL\u3002<\/p>\n
Ubuntu\/Debian\u4e2d\uff1a<\/p>\n
$sudoapt-getinstallacl<\/p>\n
CentOS\/Fedora\/RHEL\u4e2d\uff1a<\/p>\n
#yum-yinstallacl<\/p>\n
Archlinux\u4e2d\uff1a<\/p>\n
#pacman-Sacl<\/p>\n
\u51fa\u4e8e\u6f14\u793a\u76ee\u7684\uff0c\u6211\u5c06\u4f7f\u7528ubuntuserver\u7248\u672c\uff0c\u5176\u4ed6\u7248\u672c\u7c7b\u4f3c\u3002<\/p>\n
\u5b89\u88c5ACL\u5b8c\u6210\u540e\uff0c\u987b\u8981\u6fc0\u6d3b\u6211\u4eecc\u76d8\u5206\u533a\u7684ACL\u529f\u80fd\uff0c\u8fd9\u6837\u6211\u4eec\u80fd\u591f\u4f7f\u7528\u5b83\u3002<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u68c0\u6d4bACL\u529f\u80fd\u662f\u5426\u65e9\u5df2\u5f00\u542f\u3002<\/p>\n
$mount<\/p>\n
\u4f60\u53ef\u4ee5\u6ce8\u610f\u5230\uff0c\u6211\u7684root\u5206\u533a\u4e2dACL\u5c5e\u6027\u65e9\u5df2\u5f00\u542f\u3002\u4e07\u4e00\u4f60\u6ca1\u6709\u5f00\u542f\uff0c\u4f60\u987b\u8981\u7f16\u8f91\/etc\/fstab\u6587\u4ef6\uff0c\u5728\u4f60\u987b\u8981\u5f00\u542fACL\u7684\u5206\u533a\u7684\u9009\u9879\u524d\u964d\u4f4eacl\u6807\u8bb0\u3002<\/p>\n
\u5982\u4eca\u6211\u4eec\u987b\u8981\u91cd\u65b0\u6302\u8f7d\u5206\u533a\uff08\u6211\u559c\u6b22\u5b8c\u5168\u91cd\u542f\uff0c\u7531\u4e8e\u6211\u4e0d\u60f3\u9057\u5931\u6570\u636e\uff09\uff0c\u5047\u5982\u4f60\u5bf9\u65c1\u82b9\u5176\u5b83\u5206\u533a\u5f00\u542fACL\uff0c\u4f60\u5fc5\u987b\u4e5f\u91cd\u65b0\u6302\u8f7d\u5b83\u3002<\/p>\n
$sudomount\/-oremount<\/p>\n
\u5e72\u7684\u4e0d\u9519\uff01\u5982\u4eca\u6211\u4eec\u65e9\u5df2\u5728\u6211\u4eec\u7684\u7cfb\u7edf\u4e2d\u5f00\u542fACL\uff0c\u8ba9\u6211\u4eec\u5f00\u59cb\u548c\u5b83\u4e00\u8d77\u5de5\u4f5c\u3002<\/p>\n
ACL\u8303\u4f8b<\/p>\n
\u57fa\u7840ACL\u901a\u8fc7\u4e24\u6761\u547d\u4ee4\u7ba1\u7406\uff1asetfacl\u7528\u4e8e\u964d\u4f4e\u6216\u5219\u66f4\u6539ACL\uff0cgetfacl\u7528\u4e8e\u663e\u793a\u5206\u914d\u5b8c\u7684ACL\u3002\u8ba9\u6211\u4eec\u6765\u505a\u4e00\u4e9b\u6d4b\u8bd5\u3002<\/p>\n
\u6211\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55\/shared\u7ed9\u4e00\u4e2a\u5047\u5b9a\u7684\u7528\u6237\uff0c\u540d\u53ebfreeuser<\/p>\n
$ls-lh\/<\/p>\n
\u6211\u60f3\u8981\u5206\u4eab\u8fd9\u4e2a\u76ee\u5f55\u7ed9\u5176\u4ed6\u4e24\u4e2a\u7528\u6237test\u548ctest2\uff0c\u4e00\u4e2a\u62e5\u6709\u5b8c\u6574\u6743\u9650\uff0c\u53e6\u4e00\u4e2a\u53ea\u6709\u8bfb\u6743\u9650\u3002<\/p>\n
\u9996\u5148\uff0c\u4e3a\u7528\u6237test\u8bbe\u7f6eACL\uff1a<\/p>\n
$sudosetfacl-mu:test:rwx\/shared<\/p>\n
\u5982\u4eca\u7528\u6237test\u53ef\u4ee5\u968f\u4fbf\u521b\u5efa\u6587\u4ef6\u5939\uff0c\u6587\u4ef6\u548c\u8bbf\u95ee\u5728\/shared\u76ee\u5f55\u4e0b\u7684\u4efb\u4f55\u5730\u65b9\u3002<\/p>\n
\u5982\u4eca\u6211\u4eec\u964d\u4f4e\u53ea\u8bfb\u6743\u9650\u7ed9\u7528\u6237test2\uff1a<\/p>\n
$sudosetfacl-mu:test2:rx\/shared<\/p>\n
\u6ce8\u610ftest2\u8bfb\u53d6\u76ee\u5f55\u987b\u8981\u6267\u884c\uff08x\uff09\u6743\u9650<\/p>\n
\u8ba9\u6211\u6765\u89e3\u91ca\u4e0bsetfacl\u547d\u4ee4\u683c\u5f0f\uff1a<\/p>\n
-m\u8868\u793a\u66f4\u6539ACL\u3002\u4f60\u53ef\u4ee5\u964d\u4f4e\u65b0\u7684\uff0c\u6216\u66f4\u6539\u5b58\u5728\u7684ACLu\uff1a\u8868\u793a\u7528\u6237\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528g\u6765\u8bbe\u7f6e\u7ec4\u6743\u9650test\u7528\u6237\u540d\uff1arwx\u987b\u8981\u8bbe\u7f6e\u7684\u6743\u9650\u3002<\/p>\n
\u5982\u4eca\u8ba9\u6211\u5411\u4f60\u5c55\u793a\u600e\u6837\u8bfb\u53d6ACL\uff1a<\/p>\n
$ls-lh\/shared<\/p>\n
\u4f60\u53ef\u4ee5\u6ce8\u610f\u5230\uff0c\u6b63\u5e38\u6743\u9650\u540e\u591a\u4e00\u4e2a+\u6807\u8bb0\u3002\u8fd9\u8868\u793aACL\u65e9\u5df2\u8bbe\u7f6e\u6210\u529f\u3002\u8981\u5177\u4f53\u770b\u4e00\u4e0bACL\uff0c\u6211\u4eec\u987b\u8981\u8fd0\u884c\uff1a<\/p>\n
$sudogetfacl\/shared<\/p>\n
\u6700\u540e\uff0c\u5047\u5982\u4f60\u987b\u8981\u79fb\u9664ACL\uff1a<\/p>\n
$sudosetfacl-xu:test\/shared<\/p>\n
\u5047\u5982\u4f60\u60f3\u8981\u7acb\u523b\u64e6\u9664\u6240\u6709ACL\u6761\u76ee\uff1a<\/p>\n
$sudosetfacl-b\/shared<\/p>\n
\u6700\u540e\uff0c\u5728\u8bbe\u7f6e\u4e86ACL\u6587\u4ef6\u6216\u76ee\u5f55\u5de5\u4f5c\u65f6\uff0ccp\u548cmv\u547d\u4ee4\u4f1a\u6539\u53d8\u8fd9\u79cd\u8bbe\u7f6e\u3002\u5728cp\u7684\u60c5\u51b5\u4e0b\uff0c\u987b\u8981\u6dfb\u52a0\u201cp\u201d\u53c2\u6570\u6765\u590d\u5236ACL\u8bbe\u7f6e\u3002\u5018\u82e5\u8fd9\u4e0d\u53ef\u884c\uff0c\u5b83\u5c06\u4f1a\u5c55\u793a\u4e00\u4e2a\u8b66\u544a\u3002mv\u9ed8\u8ba4\u8054\u901aACL\u8bbe\u7f6e\uff0c\u5047\u82e5\u8fd9\u4e5f\u4e0d\u53ef\u884c\uff0c\u5b83\u4e5f\u4f1a\u5411\u60a8\u5c55\u793a\u4e00\u4e2a\u8b66\u544a\u3002<\/p>\n
\u603b\u7ed3<\/p>\n
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