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README: reword id mapping restrictions when unpriv
Suggested-by: Serge Hallyn <serge@hallyn.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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@ -70,10 +70,10 @@ quite restricted. Just to highlight the two most common problems:
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inside of the container will not be able to boot up correctly.
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inside of the container will not be able to boot up correctly.
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2. User Namespaces: As outlined above, user namespaces are a big security
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2. User Namespaces: As outlined above, user namespaces are a big security
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enhancement. However, users which are unprivileged on the host will only be
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enhancement. However, without relying on privileged helpers users who are
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able to establish a mapping for their own UID if they do not rely on
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unprivileged on the host are only permitted to map their own UID into
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privileged helpers. A standard POSIX system however, requires 65536 UIDs and
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a container. A standard POSIX system however, requires 65536 UIDs and GIDs
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GIDs to be available to guarantee full functionality.
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to be available to guarantee full functionality.
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## Configuration
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## Configuration
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