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The Berkeley Automounter Suite of Utilities
The Berkeley Automounter, Amd, may be used as a replacement for Sun's automounter. The choice of which file system to mount can be controlled dynamically with selectors. Selectors allow decisions of the form "hostname is this," or "architecture is not that." Selectors may be combined arbitrarily. Amd also supports a variety of file system types, including NFS, UFS and the novel program file system. The combination of selectors and multiple file system types allows identical configuration files to be used on all machines thus reducing the administrative overhead. Amd ensures that it will not hang if a remote server goes down. Moreover, Amd can determine when a remote server has become inaccessible and then mount replacement file systems as and when they become available.
Welcome to the am-utils version 6.x home page. My name is Erez Zadok and I'm the lead maintainer of am-utils. Am-utils is the "next generation" of the popular BSD Automounter, Amd. Am-utils includes many additional updates, ports, programs, features (such as Autofs support, NFS V.3 support, and shared libraries), bug fixes, and more.
Quick Links: |
Latest Stable Sourcesam-utils-6.1.5(autofs) |
Latest Test Releaseam-utils-6.2a2(Sun-style automount syntax) |
Daily CVS Snapshots |
User Manual(also frames version and all-in-one version) |
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October 10, 2005: First test release, am-utils
6.2a1, includes Sun-style automount
syntax maps support. June 11, 2005: First official and stable am-utils 6.1 is released (check updated releases since then). June 4, 2004: Commercial support for am-utils is available.
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Software:
- Main FTP server.
- Sources for latest stable version of am-utils.
- All other, older stable releases of am-utils.
- The latest released snapshot of the sources, all released snapshots, or a daily snapshot of the sources. These may not be as stable as the official version.
- Sources for older alpha and beta versions of am-utils and amd.
- Browse the Am-utils sources using LXR.
- Prebuilt binaries for various platforms. Please read this README file before using any of these binaries.
- Patches for am-utils software as well as system software
- For maintainers, utilities (possibly modified) such as GNU Autoconf, Automake, and Libtool.
- FTP mirror sites.
Documentation and Information:
- My book.
- Latest user-manual (in HTML), postscript, or PDF. The distribution also includes Emacs Info and DVI formats.
- An FAQ which was started in March 2005 (so its still small and evolving).
- List of platforms on which am-utils builds and runs, and the level of their compatibility. Also available in text format from the distribution is the INSTALL file.
- A list of known system bugs, including some very important issues concerning OS Attribute Cache limitations. If you find a new problem with Am-utils, please describe it in detail and submit a bug report via Bugzilla.
- The latest NEWS file from the distribution. The ChangeLog file contains more verbose details.
- Information about Autofs support.
- Information about Sun-style automounter maps support.
- Information about LDAP support.
- Information about Mac OS-X support.
- Unofficial Year-2000 Compliance information.
- A list of tasks that need work on. Please volunteer to help if you can.
- A list of additional research publications and journal articles relating to Amd is available later in this page.
- I gave an Amd Tutorial at LISA '99 on Sunday, November 7, 1999. On Thursday, November 11, 1999, I hosted a BOF to discuss future directions for am-utils.
- On 09/1999, the CERT has released an important incident note and a security advisory regarding Amd and am-utils.
- As of June 4, 2004, commercial support for am-utils is available.
Mailing Lists:
Click on the list name below to access the subscription Web page. That page will also tell you how to post to the list, access the lists' archives, change your subscription status, etc.
| List Name | Purpose | Who Can Subscribe | Who Can Post | Comments |
| am-utils | For users' questions, announcements, bug reports, and general. | Anyone | Subscribers only | This list used to be called amd-dev at cs.columbia.edu. Use new name please. |
| am-utils-announce | For announcements only | Anyone | Developers only | |
| am-utils-cvs | For CVS commit logs | Anyone | Developers only | You can access the nightly source snapshots here. |
| am-utils-developers | For official maintainers, by invitation only | No one | Developers with CVS commit privileges only | Listed here for completeness. |
| amd-workers | Older users list (defunct) | No one | No one | This older users list (which I never mainatined) no longer exists. This list was shutdown in January 2004. Use the newer am-utils list instead. |
Download software.
Books:
| # | Title (click for html version) | Formats | Published In | Date | Comments |
| 1 | Linux NFS and Automounter Administration | BibTeX | Sybex | May 2001 | See Book home page |
Journal Articles:
| # | Title (click for html version) | Formats | Published In | Date | Comments |
| 1 | Using the Amd Automounter | BibTeX | Linux Journal | Oct 2003 |
Conference and Workshop Papers:
| # | Title (click for html version) | Formats | Published In | Date | Comments |
| 1 | Overhauling Amd for the '00s: A Case Study of GNU Autotools | PS PDF BibTeX | Usenix Technical Conference, FREENIX Track | Jun 2002 | |
| 2 | HLFSD: Delivering Email to your $HOME | PS PDF BibTeX | Usenix Systems Administration (LISA VII) Conference | Nov 1993 |
Manuals:
| # | Title (click for html version) | Formats | Published In | Date | Comments |
| 1 | Am-utils 6.1 (4.4 BSD Automounter Utilities) User Manual | PS PDF BibTeX | Aug 2003 | See a frames version and an all-in-one version. |
Current Students:
| # | Name (click for home page) | Program | Member Since |
| 1 | Ramya Edara | MS | Jan 2007 |
Past Students:
| # | Name (click for home page) | Program | Period | Current Location |
| 1 | Dan Ottavio | MS | Jan 2005 - Aug 2005 | Staff Software Engineer, Websphere division, Datapower group, IBM (Cambridge, MA) |
Sponsors:
| # | Sponsor | Amount | Period | Type | Title (click for award abstract) |
| 1 | IBM | 2003-2006 | Sole PI | IBM AIX 5.x Automounter Maintenance | |
| 2 | HP/Intel | $131,529 | 2002-2003 | Sole PI | Linux Application Performance and File System Security |
| 3 | HP/Intel | $22,490 | 2001-2002 | Sole PI | Linux Network Scalability and File System Reliability |
(Last updated: Thu Jun 14 16:48:15 EDT 2007)
