Bài giảng Quản trị Linux: Network File System - Đặng Thanh Bình

Đặng Thanh Bình<br /> <br /> Network File System<br /> <br /> Contents<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> <br /> How It Works<br /> NFS Client Configuration<br /> autofs<br /> Common NFS Mount Options<br /> Starting and Stopping NFS<br /> NFS Server Configuration<br /> Securing NFS<br /> NFS and portmap<br /> Using NFS over TCP<br /> <br /> Introduction<br /> • A Network File System (NFS) allows remote hosts<br /> to mount file systems over a network and<br /> interact with those file systems as though they<br /> are mounted locally.<br /> • This enables system administrators to consolidate<br /> resources onto centralized servers on the<br /> network.<br /> • This chapter focuses on fundamental NFS<br /> concepts and supplemental information<br /> <br /> HOW IT WORKS<br /> <br /> How It Works<br /> • Three versions of NFS:<br /> – NFS version 2 (NFSv2) is older and is widely<br /> supported.<br /> – NFS version 3 (NFSv3) has more features, including<br /> 64bit file handles, Safe Async writes and more robust<br /> error handling.<br /> – NFS version 4 (NFSv4) works through firewalls and on<br /> the Internet, no longer requires portmapper, supports<br /> ACLs, and utilizes stateful operations<br /> <br />