将门户安装为非根门户，以确保门户管理员不具有系统根权限。

Installing portal as non-root, to ensure that portal administrators do not have system root permissions.

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向cvs_root标签中添加您的cvs系统根的cvs根信息。

Add the CVS root information for your CVS system root to the cvs_root tag.

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因为在挂载树中新的根目录没有父目录，所以无法像使用chroot时那样欺骗系统，从而访问真正的文件系统根。

Since the mount tree has no parent for the new root, the system cannot be tricked into entering it like it can with chroot .

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