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- Path: sparky!uunet!europa.asd.contel.com!darwin.sura.net!sgiblab!swrinde!dptspd!iquery!wrangler!balkan!chinacat!chip
- From: chip@chinacat.unicom.com (Chip Rosenthal)
- Subject: November CACTUS Newsletter
- Organization: Unicom Systems Development, Austin, TX
- Distribution: austin
- Date: Mon, 16 Nov 1992 18:36:44 GMT
- Message-ID: <1992Nov16.183644.10487@chinacat.unicom.com>
- Lines: 535
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- CACTUS Newsletter
-
- Capital Area Central Texas UNIX Society
-
- Volume 8, Number 11 - November 1992
-
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- ------------------------------------------------
- | Next Meeting |
- | Time: Thursday, November 19 at 7:00p.m. |
- | Place: Dell Computer Building Arboretum |
- | Agenda: The Robot Group |
- | The RT Project (Unix for Kids!) |
- ------------------------------------------------
-
-
- In this Issue...
- This Month's Program
- Last Month's Program
- September's Program
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- The CACTUS Newsletter is published monthly.
- Your comments and submissions are welcome.
- Our email address is newsletter@cactus.org.
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- UNIX is a registered trademark of UNIX System Laboratories.
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- CACTUS Newsletter page 2 November 1992
-
-
- This Month's Program
-
- Our next meeting will be Thursday, November 19th, in the Dell
- Computer Building at the Arboretum. The meeting is free and open
- to the public. Doors will open at 6:30pm, and the meeting will
- begin at 7:00pm. Our main topic will be a presentation of some
- fantastic robotic creations. The meeting will begin with a
- discussion of an exciting project CACTUS is investigating that
- aims to bring UNIX computers to thousands of Austin students.
-
- The Robot Group is an Austin-based organization that has
- received national media attention for some of their strange and
- wondrous machines. Glenn Currie of the Robot Group will give us
- a live demonstration of one of the groups gizmos, and a video
- presentation of some of their more grandiose projects.
-
- CACTUS is developing a plan that could save hundreds of old
- IBM RT workstations from the scrapyard and get them into the
- hands of Austin school students. We are planning to place the
- RTs in local high schools and set up a UNIX network. It will
- take a lot of work to get the machines configured and installed,
- support the students and teachers, and provide ongoing software
- and hardware maintenance. We will need a slate of committed
- volunteers to assure the success of this project. If you know
- about these machines, we need your expertise. If you are
- interested in learning more about UNIX administration,
- particularly in a large-scale network environment, have we got a
- great opportunity for you! Our main presentation will be
- preceded by a discussion of this project and volunteer
- recruitment.
-
-
- Last Month's Program
-
- The October CACTUS meeting was held on Thursday, October 15,
- 1992 in the Dell Computer Building (at the Arboretum). The main
- topic for the evening, The BSD/386 Operating System, was
- presented by Tony Sanders of Berkeley Software Design, Inc. A
- tutorial Through the Monitor Glass (or Marc's Adventures in Clone
- Land) by Marc Wiz preceded the main presentation.
-
- Through the Monitor Glass
-
- Marc set out on a quest many months ago to design a high-end
- Intel-based Unix computer system. He spent a lot of time
- researching products, talking to both manufacturers and users.
- This tutorial presented some of his findings, and provided some
- good guidelines for selecting a desktop Unix system.
-
- Computers aren't cheap. When it's your money, you want to
- make an informed decision. You can never have too much
- information. Marc suggested several sources of information: the
- Usenet and email, magazines, friends, and manufacturers. The
- Usenet newsgroups Marc found most helpful were
- comp.sys.ibm.pc.hardware, comp.unix.pc-clone.32bit,
- comp.unix.sys386, comp.unix.sys5.r4, and comp.unix.misc.
- Although magazines can be a good resource, Marc suggestion
- caution. They don't always know, and biases can often creep in.
- Friends can be an excellent resource, particularly if you can
- take their system for a test drive. The equipment manufacturer
-
-
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- CACTUS Newsletter page 3 November 1992
-
-
- can be an important resource, but there are some caveats. Learn
- to separate marketing truth from real truth, be prepared to spend
- a lot of long distance dollars listening to music-on-hold, and be
- prepared for tech support people who wouldn't know a Unix if it
- bit them.
-
- These days it isn't enough to say, ``I want to run Unix.''
- Which Unix do you want? There are a lot of choices. Pick your
- software first
- hardware compatibility might be an issue. Not only do you need
- to choose what you want for a base Unix (System V Release 3.2?
- Release 4? Berkeley?), but also what additional packages you
- might need (networking? X Windows? etc.) Do you want access to
- source code? Is the software stable? Is their a reasonable
- selection of supported hardware? How is the vendor's support?
- These questions will have different priorities for different
- people, and the answers will suggest the proper package.
-
- There are going to be price versus performance tradeoffs to
- be made all along the way. Do you need and can you afford the
- latest and greatest? While 486/50 EISA machines are still
- pricey, 386/33s are dirt cheap. The current generation video
- adapters have workstation-class performance, but the older video
- cards are very inexpensive. Newer may be faster; it certainly is
- more expensive. If you plan to do heavy duty work or run a lot
- of X, you might need the performance the more expensive
- components provide.
-
- One item which doesn't get much attention in PC systems is
- the power supply. This can be important in a Unix machine with
- lots of power hungry peripherals. For peace of mind, insist on a
- UL listed power supply. Also, a good on-line, uninterruptible
- power supply (UPS) can protect your investment. A cheaper
- standby power supply (SPS) is not as good, but might be adequate.
- Don't forget to take the complete system power consumption into
- account (including peripherals) when sizing up the supply.
-
- There are two popular backplane technologies for PC systems.
- The older ISA bus is mature, stable, common, and cheap. However,
- it isn't particularly fast, and sometimes you can't get more than
- 16MB memory into it. The newer EISA bus is much faster and 32-
- bits wide. It's also a lot more expensive. Further, because
- it's somewhat new there might be some risk in going with no-name
- clone EISA systems. Some systems are coming out with a VESA
- local bus, a high speed backplane primarily for display devices.
- There are, however, some questions about how these devices might
- impact a multi-tasking system such as Unix.
-
- You will probably need to buy serial ports. These will
- support terminals, modems, printers, and mice. If you need
- four-ports or less, you might consider a nonintelligent card,
- particularly if you can get one with the buffered 16550AFN chip
- instead of the more common 16450.
-
- There are a number of choices for storage. The first
- question is, ``SCSI or not?'' SCSI is a lot more expandable, but
- a bit more expensive than IDE disk drives. Make sure you
- consider your future needs when specifying disk size. Don't get
- suckered by cheap tape drives. They are not a bargain. If your
- information is important to you, you need something like a
-
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- CACTUS Newsletter page 4 November 1992
-
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- quarter inch cartridge tape drive or maybe 4mm or 8mm if you've
- got that much disk.
-
- Once you've decided on the pieces, you need to decide how
- they get turned into a system. Do you want a dealer to configure
- the system, or do you want to do it yourself? The premium for a
- dealer-assembled system is probably less than $100, and that
- might be worth the peace of mind. Insist upon getting what you
- want, not simply what the dealer has in stock. Find out if the
- dealer has any experience with Unix. Do you want to buy local or
- mail order? If you go outside Texas you might save on sales tax,
- but how do you handle support and returns and who pays for
- shipping?
-
- The BSD/386 Operating System
-
- Tony gave us a tour of BSDI's BSD/386 operating system. BSDI
- is committed to providing a truly open operating system. Not
- only is BSD/386 a complete and stable operating system, but also
- it includes the system source code as part of the standard
- distribution. BSD/386 is a complete POSIX-compliant operating
- system for the PCs you already own.
-
- BSD/386 supports the multi-user, multi-tasking capabilities
- you'd expect. It runs on both 80386 and 80486 architectures. It
- provides full networking (TCP/IP, OSI, SLIP, and PPP) and
- comprehensive set of tools (vi, EMACS, yacc, awk, perl, and a
- host of others). The system includes the MIT X Window System
- (X11R5); ANSI C and C++; a re-implementation of Sun's Network
- File System (NFS); text processing software (groff, TEX); DOS
- execution mode; and more.
-
- BSD/386 is based on the NET2 release from the Computer
- Systems Research Group at the University of California, Berkeley.
- BSDI combines this base with a wide variety of publically
- available tools and custom engineering, to provide a complete,
- fully-featured operating system. The result is the only product
- of its kind, a full POSIX-complaint operating system unencumbered
- by external license fees.
-
- The basic system requirements are an 80386/80486 computer
- with keyboard and monitor, 4MB of memory, 3.5" 1.44MB floppy
- disk, and 100MB of hard disk. At least 8MB of memory and a mouse
- are recommended for X. You'll need at least 300MB to hold the
- full set of sources on-line. Distribution is available on both
- CD-ROM and quarter inch cartridge tapes but not floppy disk.
- 8mm Exabyte tape drives and a number of Ethernet adapters are
- supported. SCSI adapters are supported. EISA systems with over
- 16MB memory are supported. Full support for EISA peripherals
- will be provided in a future release.
-
- After the presentation Tony had a system running BSD
- available for attendees to take for a test drive.
-
- BSD/386 comes with 60 days of support and a 90-day money back
- guarantee. If you would like to receive further information from
- BSDI on their software send email to info@bsdi.com, call 1 (800)
- 800-4BSD or write to,
-
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- CACTUS Newsletter page 5 November 1992
-
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- Berkeley Software Design, Inc.
- 3110 Fairview Park Drive Suite 580
- Falls Church, VA 22042
-
- Request their Questions and Answers and Technical Feature
- Guide and of course any marketing info they would pass your way.
-
- Special thanks to Ron McDowell and Terry Essler (of Dell) for
- their efforts to provide BSDI and CACTUS with a demonstration
- machine.
-
-
- September's Program
-
- Southwestern Bell (SWBT) made a presentation on the
- Integrated Services Digital Network (ISDN), the new telephone
- network. ISDN provides end-to-end digital communications over
- existing telephone lines.
-
- The new ISDN technology brings some exciting advancements.
- First, since it is end-to-end digital transmission, data
- transfers can operate at higher speeds and reliability than
- conventional modems. It also supports simultaneous transmission
- of voice and data, including digital packet transmission. This
- means your existing phone wire could be used for two voice lines,
- or one voice and one data line, both working simultaneously.
-
- Since ISDN is still in its infancy, there are still some
- limitations. You can use the ISDN features only when you are
- connected to somebody else who is also ISDN capable and reachable
- from your ISDN service area. Unfortunately, few people have ISDN
- service right now, and the areas that provide ISDN are not well
- connected For example, although you can get ISDN service in
- Austin and San Macros, there is no ISDN link between the two.
-
- Currently only the Fireside central office has ISDN service
- available. If you live within the Fireside service area you can
- get it at normal cost. If you live outside Fireside you have to
- pay additional mileage charges.
-
- ISDN is not for heavy LAN type transmission. It is not, at
- least not currently, designed to replace T1 lines. Also, special
- devices are required to connect to ISDN lines.
-
- For more information on how to get an ISDN line from your
- home or office, contact SWBT. Ask for information on their
- Single-Line ISDN Digiline service, or if you're a big time player
- look into Plexar Custom.
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- CACTUS Newsletter page 6 November 1992
-
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- CACTUS Membership Information
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- CACTUS membership is open to all people interested in Open
- Systems such as Unix. We meet the third Thursday of every month.
- Meeting topics and locations are announced in the newsletter. We
- currently offer members access to the cactus.org computer system,
- that includes electronic news and mail capability. CACTUS
- Membership/Account forms may be obtained at the meetings or by
- request. Please send your request to:
-
- CACTUS
- P.O. Box 9786
- Austin, TX 78766-9786
-
- or via electronic mail to membership@cactus.org. Please be sure
- to include your USPS mail address in your request. Annual dues
- are $20 for regular memberships, $96 for sponsor memberships.
-
- Note: Please examine the upper-right corner of your mailing
- label. It shows your membership status and will note when your
- membership expires.
-
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- CACTUS Contacts
-
- Your comments and suggestions are welcomed. Electronic mail
- may be directed to the following addresses.
-
- officers@cactus.org Comments to CACTUS officers.
- programs@cactus.org Meeting ideas, suggestions and comments.
- membership@cactus.org Membership questions and suggestions.
- staff@cactus.org cactus.org questions and suggestions.
- newsletter@cactus.org Newsletter submissions and comments.
-
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- CACTUS Officers
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- President Tom Painter painter@cactus.org 835-5457
- Publicity Jim Baty baty@cactus.org 837-7539
- Scribe Robert Felps felps@cactus.org 873-9060
- Finance Mike Cato mikec@amd.com 837-2916
- Programs Ray Schafer schafer@cactus.org 823-9968
- Membership Michael Cheselka cheselka@cactus.org 452-9412
- Newsletter Chip Rosenthal chip@chinacat.unicom.com 482-8260
- Members Michael Cerda cerda@bongo.cc.utexas.edu 471-3241
- at Large Jim Knutson knutson@cactus.org 338-3362
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- CACTUS Newsletter page 7 November 1992
-
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- CACTUS Sponsors
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- American Interface Computers
- Wolf Metzner 327-5344
-
- Applied Formal Methods, Inc.
- Susan L. Gerhart 794-9732 gerhart@cactus.org
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- Austin Code Works
- Scott Guthery 258-0785 acw!info
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- Clinical Resource Systems, Inc.
- Andy Galewsky 258-1977 andy@crs.com
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- Computation Center
- Mike Cerda 471-3241 cerda@bongo.cc.utexas.edu
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- Control Data
- John Herczeg 467-0588
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- Data General
- Jana Stein 835-9771
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- Dell Computer Corporation
- Charlie Sauer 338-4400
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- Hewlett Packard
- Bill Sumrall 338-7221
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- Interactive Systems
- Jim Kelsey 343-0376 jimke@itx.isc.com
- Network technology, software development, consulting.
-
- Majec Systems Inc.
- Maryanne Moore 452-1138
- Contract programming services, multimedia development.
-
- O'Keefe & Assoc.
- John O'Keefe 343-1134
-
- Objective System Solutions
- Charles A. Richter 219-5182 richter@cs.utexas.edu
- Consulting and training in object oriented systems.
-
- Pencom Systems Inc.
- Tom Morgan 343-1111 pencom!psitx!tom
- Recruiting, programming, software development, test services.
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- Pencom/IBM
- Steven P. Talmage 838-8613
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- Power Assist
- Leigh R. Power 219-9215 leigh@power.com
- Consulting, training, evaluation, and programming services.
-
- Schlumberger
- James Johnson 331-3781
- Technical services and products in over 100 countries.
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- CACTUS Newsletter page 8 November 1992
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- Sun Microsystems Computer Corp.
- Roger Waak 343-0293 roger.waak@central.sun.com
- Supplier of Unix client-server computing solutions.
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- Silicon Graphics
- Don Williams 459-0994
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- Tandem Computers
- Steve Senator 244-8000
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- Texas Internet Consulting
- Smoot Carl-Mitchell 329-1047 smoot@tic.com
- TCP/IP networking, Unix, and open systems standards.
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- Unicom Systems Development
- Chip Rosenthal 482-8260 chip@chinacat.unicom.com
- Unix business and technical system sales, support, engineering.
-
- VideoTelecom Corp.
- Marian Keith-Stasney 834-2700
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- --
- Chip Rosenthal 512-482-8260 | I got the blues so bad one time
- Unicom Systems Development | it put my face in a permanent frown.
- <chip@chinacat.Unicom.COM> | - Taj Mahal
-