Welcome to Linux Knowledge Base and Tutorial
"The place where you learn linux"
International Rescue Committe

 Create an AccountHome | Submit News | Your Account  

Tutorial Menu
Linux Tutorial Home
Table of Contents

· Introduction to Operating Systems
· Linux Basics
· Working with the System
· Shells and Utilities
· Editing Files
· Basic Administration
· The Operating System
· The X Windowing System
· The Computer Itself
· Networking
· System Monitoring
· Solving Problems
· Security
· Installing and Upgrading
· Linux and Windows

Man Pages
Linux Topics
Test Your Knowledge

Site Menu
Site Map
Copyright Info
Terms of Use
Privacy Info
Masthead / Impressum
Your Account

Private Messages

News Archive
Submit News
User Articles
Web Links


The Web

Who's Online
There are currently, 89 guest(s) and 0 member(s) that are online.

You are an Anonymous user. You can register for free by clicking here






Tavis Barr

         tavis dot barr at liu dot edu

Nicolai Langfeldt

         janl at linpro dot no

Seth Vidal

        skvidal at phy dot duke dot edu

Tom McNeal

        trmcneal at attbi dot com


Revision History
Revision v3.12002-08-25Revised by: tavis
Typo in firewalling section in 3.0
Revision v3.02002-07-16Revised by: tavis
Updates plus additions to performance, security

Table of Contents
1. Preamble
1.1. Legal stuff
1.2. Disclaimer
1.3. Feedback
1.4. Translation
1.5. Dedication
2. Introduction
2.1. What is NFS?
2.2. What is this HOWTO and what is it not?
2.3. Knowledge Pre-Requisites
2.4. Software Pre-Requisites: Kernel Version and nfs-utils
2.5. Where to get help and further information
3. Setting Up an NFS Server
3.1. Introduction to the server setup
3.2. Setting up the Configuration Files
3.3. Getting the services started
3.4. Verifying that NFS is running
3.5. Making changes to /etc/exports later on
4. Setting up an NFS Client
4.1. Mounting remote directories
4.2. Getting NFS File Systems to Be Mounted at Boot Time
4.3. Mount options
5. Optimizing NFS Performance
5.1. Setting Block Size to Optimize Transfer Speeds
5.2. Packet Size and Network Drivers
5.3. Overflow of Fragmented Packets
5.4. NFS over TCP
5.5. Timeout and Retransmission Values
5.6. Number of Instances of the NFSD Server Daemon
5.7. Memory Limits on the Input Queue
5.8. Turning Off Autonegotiation of NICs and Hubs
5.9. Synchronous vs. Asynchronous Behavior in NFS
5.10. Non-NFS-Related Means of Enhancing Server Performance
6. Security and NFS
6.1. The portmapper
6.2. Server security: nfsd and mountd
6.3. Client Security
6.4. NFS and firewalls (ipchains and netfilter)
6.5. Tunneling NFS through SSH
6.6. Summary
7. Troubleshooting
7.1. Unable to See Files on a Mounted File System
7.2. File requests hang or timeout waiting for access to the file.
7.3. Unable to mount a file system
7.4. I do not have permission to access files on the mounted volume.
7.5. When I transfer really big files, NFS takes over all the CPU cycles on the server and it screeches to a halt.
7.6. Strange error or log messages
7.7. Real permissions don't match what's in /etc/exports.
7.8. Flaky and unreliable behavior
7.9. nfsd won't start
7.10. File Corruption When Using Multiple Clients
8. Using Linux NFS with Other OSes
8.1. AIX
8.2. BSD
8.3. Tru64 Unix
8.4. HP-UX
8.5. IRIX
8.6. Solaris
8.7. SunOS

The Linux Tutorial completely respects the rights of authors and artists to decide for themselves if and how their works can be used, independent of any existing licenses. This means if you are the author of any document presented on this site and do no wish it to be displayed as it is on this site or do not wish it to be displayed at all, please contact us and we will do our very best to accommodate you. If we are unable to accommodate you, we will, at your request, remove your document as quickly as possible.

If you are the author of any document presented on this site and would like a share of the advertising revenue, please contact us using the standard Feedback Form.

Show your Support for the Linux Tutorial

Purchase one of the products from our new online shop. For each product you purchase, the Linux Tutorial gets a portion of the proceeds to help keep us going.



Security Code
Security Code
Type Security Code

Don't have an account yet? You can create one. As a registered user you have some advantages like theme manager, comments configuration and post comments with your name.

Help if you can!

Amazon Wish List

Did You Know?
You can get all the latest Site and Linux news by checking out our news page.


Tell a Friend About Us

Bookmark and Share

Web site powered by PHP-Nuke

Is this information useful? At the very least you can help by spreading the word to your favorite newsgroups, mailing lists and forums.
All logos and trademarks in this site are property of their respective owner. The comments are property of their posters. Articles are the property of their respective owners. Unless otherwise stated in the body of the article, article content (C) 1994-2013 by James Mohr. All rights reserved. The stylized page/paper, as well as the terms "The Linux Tutorial", "The Linux Server Tutorial", "The Linux Knowledge Base and Tutorial" and "The place where you learn Linux" are service marks of James Mohr. All rights reserved.
The Linux Knowledge Base and Tutorial may contain links to sites on the Internet, which are owned and operated by third parties. The Linux Tutorial is not responsible for the content of any such third-party site. By viewing/utilizing this web site, you have agreed to our disclaimer, terms of use and privacy policy. Use of automated download software ("harvesters") such as wget, httrack, etc. causes the site to quickly exceed its bandwidth limitation and are therefore expressly prohibited. For more details on this, take a look here

PHP-Nuke Copyright © 2004 by Francisco Burzi. This is free software, and you may redistribute it under the GPL. PHP-Nuke comes with absolutely no warranty, for details, see the license.
Page Generation: 0.12 Seconds