课程: Linux: Storage Systems

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Manage file system access control lists

Manage file system access control lists - Linux教程

课程: Linux: Storage Systems

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Manage file system access control lists

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- [Instructor] Let's talk about Access Control Lists, an extra permission mechanism beyond the ordinary permission modes you're used to. So this is something extra that file systems implement. Not all file systems might have it. And whether it's enabled or not can be affected by mount options. So you might not have it. Access Control Lists potentially work even with NFS. And one of the key things with Access Control Lists is you can give access to individual users instead of the owner, group, others sort of level. You can actually say Joe or Alice gets this kind of permission to a file. And the Access Control Lists are for a specific file or directory. If it's on a directory, then you can have members in the directory inherit those access permissions. So this is effectively what the permissions will be, different than what the ordinary permission modes might specify. You can get the Access Control List for a file or directory with the getfacl command, and you can set them with a…

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