test-drb April 2001

test-drb@ccmp.vtda.org

251 participants
669 discussions

Preventing users from loggin into a unix box

by mcguire＠neurotica.com

On April 19, Ram Meenakshisundaram wrote: > I have a Solaris 2.6 Ultra-10 at work and I want to prevent users > from logging into my machine. I dont want to run in single-user > mode. Is there a way to disable rlogin or telnet over to my > machine? Yes, it's easy. All network-based services like that usually have their server-side components run by a supervisory program ("superserver") called "inetd". Inetd listens on all the ports that services are registered for, and when a connection request comes in, inetd accepts the connection, starts the required server binary, and basically hands it the socket. From then on, that connection is handled by the server binary for that particular service. This whole operation is handled by a config file called /etc/inetd.conf. It's got one line per service, and each line has many fields that control different things. The first field is the name of the service (telnet, ftp, etc). You can comment out services in that file by inserting a "#" in the very beginning of the line in question. To achieve the results you want, I would comment out the following lines: telnet (handles incoming telnet connections) ftp (handles incoming ftp connections) login (handles incoming rlogin connections) shell (handles incoming rsh and rcp connections) I hope this helps. -Dave McGuire

24 years, 1 month

Preventing users from loggin into a unix box

by mcguire＠neurotica.com

On April 19, Eric J. Korpela wrote: > True. I guess I just assume everyone runs ssh now. :) I'd recommend against > telent or rlogin regardless of what port you use. Just too dangerous to > have plain text passwords traveling over ethernet, even if it never > gets outside of the company firewall. You never can tell if that windows box > next door has a packet sniffer. Not everyone runs ssh nowadays. For networks of more than a handful of machines, it just doesn't seem to scale well enough, as nice as it is. For larger networks a central network authentication system like Kerberos is much more suitable, in my opinion. -Dave McGuire

24 years, 1 month

Preventing users from loggin into a unix box

by mcguire＠neurotica.com

On April 19, Bill Gunshannon wrote: > maybe I'm just being dense, but wouldn't the easiest solution be to just > not give others accounts on your box?? That approach assumes un-guessable passwords. It's trivial to write a program that iterates through all possible character combinations. Sure, it might take weeks, or even months...but then they're in. -Dave McGuire

24 years, 1 month

Introducing a New Concept on Advanced Garbage Treatment Process

by zwj88zww＠371.net

Introducing a new concept on advanced garbage treatment process, and licensing patents For details, please reference the web site: http://zwj5382.3322.net http://zwj5382.163.net The inventor would like to assign exclusive patent license to anyone who is interested in patented advanced garbage treatment process technology. For patent license, please contact the inventor via E-mail: zwj88zww(a)371.net

24 years, 1 month

Working Data General One laptop with spares to a good home

by Mark.DesMarais＠avocent.com

Hi! I have a DGone laptop in functional condition- two floppy drives, better LCD screen, max memory, power supply, hard carrying case. Only thing that doesn't work (as far as I know) is the battery pack. Also multiple printers, ribbons, thermal paper, a spare screen, keyboard, maybe a floppy and expansion port thingie, system boards, etc. I also have Wordstar that runs on the DGone, a few boot (MSDOS) disks, and GWBasic. Free or cost of shipping (Northboro, MA) if I get one interested party. If I have more than one, it'll be an auction to see who wants it most. If I don't hear from anyone, well, I'm afraid its dumpster time. Please email me- mark.desmarais(a)avocent.com. thanks Markd

24 years, 1 month

Singer/Link flight simulators

by xds_sigma7＠hotmail.com

Yeah, I've enjoyed those pix... He said this was for a 747.. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com

24 years, 1 month

Singer/Link flight simulators

by xds_sigma7＠hotmail.com

Coincidentally, I learned the other day, from someone that used to install them, that some Link simulators were built around SDS Sigma 5's and 7's... Will J _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com

24 years, 1 month

IBM 615x disks needed!

by f.papa＠mcmspa.it

Hi all, we are in desperate need of at least one (or more if possible) disk for an IBM RT-PC model 6150/6151. 115Mb or 310Mb models only, because of software space requisites. If you know where I can find some, please reply to this message. Thanks in advance! Fabio

24 years, 1 month

raised computer floor( Kansas City)

by mmcfadden＠cmh.edu

The guys across the hall from my office are tearing out a raised computer floor and throwing it away. Does anyone want it? It has 10 fully intact 2' X 2' tiles and about 10 partials, all metal tiles. They are pretty heavy. The tracks and support posts are also available. It's free but shipping may be expensive because of the weight. Please contact me via email and we can discuss shipping modes. Mike McFadden mmcfadden(a)cmh.edu 816-234-3274

24 years, 1 month

looking for some old RAM chips

by Demon02554＠aol.com

ok...i got my CDP-1802s so that i can build the COSMAC Elf... now i just need the RAM that the schematics have....i believe that it is 2 256x4 RAM chips...if anyone has these or can let me know where i can find them could you please let me know thanks, Robert Cobbins

24 years, 1 month

PDP-11 SCSI was RE: RT-11 - An Open letter to Mentec?

by dburrows＠netpath.net

>Can someone please create a list of PDP11 UNIBUS compatible SCSI >controller boards and manufacturers? > >--tom A quick list of the ones I have used: Emulex UC17 UC18 CMD The following suffix's applies to all their models. /T = Tape only /M = Disk only /TM = Disk and Tape CDU700 CDU710 CDU712 same as 710 but has Differential also CDU720 CDU722 same as 720 with differential TD Systems Viking UDT disk and tape UDO disk only UTO Tape only Dilog They did a couple but I can't think on the models offhand Dan

24 years, 1 month

IBM 615x disks needed!

by SUPRDAVE＠aol.com

In a message dated 4/19/01 8:07:27 AM Eastern Daylight Time, f.papa(a)mcmspa.it writes: << Hi all, we are in desperate need of at least one (or more if possible) disk for an IBM RT-PC model 6150/6151. 115Mb or 310Mb models only, because of software space requisites. If you know where I can find some, please reply to this message. Thanks in advance! >>\ i understand it's an ESDI drive so if you have some PS/2s you can use one of those drives. -- DB Young Team OS/2 old computers, hot rod pinto and more at: www.nothingtodo.org

24 years, 1 month

PDP-11 SCSI was RE: RT-11 - An Open letter to Mentec?

by ajp166＠bellatlantic.net

>--- Lee Courtney <leec(a)slip.net> wrote: >> > Which brings up another interesting point, how many >> > Hobbyists are running any of their PDP-11's with SCSI controllers? >> >> ...or how many would like to? (My hand is raised). While not being a 'pure' >> PDP-11, it does offer some significant advantages. Me, though I have the SCSI controller in a VAX right now. Any SCSI controller that does MSCP is fine in a PDP-11 and DEC did sell a version that way. >Anyway... if I could find a Qbus SCSI controller for <$200, I'd be >interested. If I could find one for <$50, I'd buy it on the spot. I would too, rare bird at that price! Allison

24 years, 1 month

data book rescue (nearly)

by kebabthesheep＠yahoo.com

The TV-fiddling part of my group here at work just moved house, and as is usual, when moving offices they dumped stuff. Specifically about 50-60 data books mainly covering philips devices. There are quite a few interesting ones as well covering all manner of bizarre video processors, and well as mundane stuff like diodes, mosfets, power controllers, memory ics, semi-custom gate arrays - you name it :) Looks like the future got a bit brighter w.r.t. to finding out data on those obscure devices you find in monitors, and old computers :) I'll make some sort of list when i've got them all out of my office - pity my only means of transport atm is a 40 year old brit bike... Dave. ____________________________________________________________ Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie

24 years, 1 month

DEC(Matrox) board ID needed

by broth＠heathers.stdio.com

I have been entering my DEC boards into a database the last few days and have come accross a board I can not ID. It is a Matrox UFG-01. It is dated 1981 and is a quad height board. Brian. -- Brian Roth - System Administrator www.webwirz.com - Old Computer Repository Preoccupation is my main occupation.....

24 years, 1 month

looking for some old RAM chips

by ajp166＠bellatlantic.net

From: Ethan Dicks <ethan_dicks(a)yahoo.com> >> now i just need the RAM that the schematics have....i believe that it is 2 >> 256x4 RAM chips...if anyone has these or can let me know where i can find >> them could you please let me know > >I've seen places with the 1822s for sale in the past couple of years. It's >not the same, but B.G. Micro has 2102s for <$1 each (the web page from their >online catalog is at http://www.bgmicro.com/pdf/page5.pdf) Look for 2101 or 5101 (moto called them 145101) they are all the same. >You could always use a more modern 2016 or 6264 or such and just tie the >upper address lines to 0. You can scavenge those from old Ethernet cards >and the like. The speed requirements of the 1802 are not harsh. I think >you can get away with 450ns RAM on a 1Mhz design. At 2mhz clock it wants 500ns or so rams, at 1mhz you can use 1uS (1000ns!) parts easily. If the writer cant find any let me know... I have some. Allison

24 years, 1 month

Kim / Commie keypads

by ajp166＠bellatlantic.net

-----Original Message----- From: Ross Archer <dogbert(a)mindless.com> >Since I found a suitable keyswitch solution at >Newark Electronics and ordered them tonight, I knew you could find something. ;) You restore my faith. >I suppose the whole computer is worth about >$0.25 in real terms apart from any collectible >or sentimental value. Sheesh indeed. :) It's worth more as it is actually a fairly useful machine as is and easily expanded . Certainly worthwhile to repair or even restore. Allison

24 years, 1 month

Update on dates for VCF East

by ajp166＠bellatlantic.net

From: Sellam Ismail <foo(a)siconic.com> >On Tue, 17 Apr 2001, Merle K. Peirce wrote: > >> You have to keep in mind the 3rd sunday of each month - that's the MIT >> flea market. > >As long as it's mostly over by 10am then it shouldn't conflict. The two >hamfests out in the Silicon Valley are pretty much wrapped up by 11am >(starting at 6am and 7am). > The MIT FLEA is a big ham/electronic/computer flea and runs to noon solid unless the weather is very bad. It's a big one for the area and a lot of out of state vendors make it. Allison

24 years, 1 month

OT: 25 SIGNS THAT YOU'VE Had TOO MUCH OF THE 90's AND 2000

by LFessen106＠aol.com

In a message dated 4/18/01 2:52:48 PM Eastern Daylight Time, curt(a)atari-history.com writes: > > Whew! Boy, and I thought I was the only pathetic soul to do that! Glad to > see I'm in similar company :-) {Boy does my wife get pissed off when I go > to "get a drink of water" and 3 hours later she comes upstairs to my loft > where the computers are to yell at me and ask just how big of a glass of > water am I getting and what site do I need to go to in order to get it, > yikes!} > > > Curt > And I thought I was the only one :-) -Linc Fessenden A good magician never reveals his secret; the unbelievable trick becomes simple and obvious once it is explained. So too with LINUX! The nice thing about Windows is - It does not just crash, it displays a dialog box and lets you press 'OK' first.

24 years, 1 month

Pro350/Pro380 Monitor

by dittman＠dittman.net

Can a Pro350/Pro380 use a VR241 monitor using the built-in video (in mono-mode, of course), or does the VR241 require the color daughterboard? Also, does anyone have a spare daughterboard for sale? Thanks. -- Eric Dittman dittman(a)dittman.net

24 years, 1 month

Tektronik 8560 System

by chugiang＠juno.com

I have a couple 8" floppy disks that. I believe that the system used for these diskettes was Tektronik 8560 System and these OS was Tnix. I want to transfer data from those diskettes to another media. Does anyone know or have any recommendations? Thanks ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/tagj.

24 years, 1 month

RT-11 - An Open letter to Mentec?

by dburrows＠netpath.net

>I am sad to hear about this, especially for you personally as well as for the >business loss. Is there any hardware that you need but now can't get? >Are there any RT-11 problems that I could help with? Sorry - I would >not be of any help with RSX/RSTS/VMS. At the moment things are basically under control. I had a system in my van that was to heavy to unload by myself and I had 5 pallets of equipment waiting to be picked up at a local friends place that has a nice loading dock. Thankfully the kids are all grown and moved out of the house so I have taken over half the house while the mess gets cleaned up and a steel building put up. > >Can you at least describe the overall probable contents of the CD and >also tell us if the contents are based on availability or because Mentec >did not want the omitted distributions on the CD? Namely, if the omitted >items became "available", could they be included? While the actual >distribution versions would be the best indication, a simple statement >that there will be RT-11 distributions would help as well. And are >the layered products being considered like FORTRAN and BASIC? There are many different distributions and IIRC some layered products. I have not looked closely at the RT11 stuff for a while. ( My background is RSX11M+) > >Also, will the CD be set up as Tim Shoppa set up the RT-11 Freeware CD >with DOS/W95/W98 files at the beginning and RT-11 partitions with >duplicates at the end? Or all DOS or all RT-11. Note that for DOS, >the first 64 blocks of partition zero in RT-11 are not available with the >raw SCSI media. With the RT-11 Freeware CD from Tim Shoppa, >this is not a problem, but could be if ONLY RT-11 partitions are >on the CD. For example, PUTR from John Wilson probably can't >read the first 64 blocks of partition zero under DOS if it had been >an RT-11 partition. Note that there are a number of ways around >this problem under DOS, but they are unnecessary if RT-11 partition >zero is devoted to DOS files. I have had several thoughts on that and it will depend on time. It will be DOS, etc. readable. >Hopefully, this was not the trickle situation and these posts on classiccmp >are the best way and do not involve Mentec in any manner. I only jumped in because I did not want a bunch of people calling Mentec about it now. I am waiting for something and hope it will be here before I get tied up on service calls for the next 2 weeks. > >Can you use any help? Have you a new target date at this point? Any >information would be helpful since probably most of us were not aware >it was even being considered. In fact, can you take a few minutes and >describe what is being considered? It is basically finalized but I don't want to have people rock the boat and be calling wanting this and that added. It has been enough trouble to get it to this point and everyone agreeable on its current contents. I have wanted to include things but it will not be another DECUS type distribution. The goodies like Al Baldwin's TCP package will not be on it. ( I tried but things were to cast in stone when I got involved) > >I would certainly be willing to help with anything that I could do at my end. >I have both real PDP-11 Qbus hardware available with a SCSI host adapter >with both SCSI hard drives and Sony SMO S501 magneto optical drives >and a number of 5 1/4" disks which hold about 295 MBytes per side >(about 8.75 RT-11 partitions). I also have available a PC which can >run RT-11 under the Supnik emulator along with PUTR from John Wilson. Thanks but I have already gotten up 2)11/73's, an 11/84, M11, all with SCSI disk and tape. I have a couple 11/84's, 11/44's that will be up when time permits. These are all also on the network with the PC's and a 4100. Remember I make a large part of my living supporting customers that are running this hardware. Dan

24 years, 1 month

small TCP/IP package installation question (in RT11)

by GOOI＠oce.nl

Hi all. I am trying to install the small FTP and TELNET package in Ersatz-11. I downloaded the smltcp.dsk and dvrdsk.dsk image files. However, when I use PUTR, I cannot "DIRIRECTORY" the contents. Example of screen output: (C:\E11)>mount ld0: dvrdsk.dsk ?Unable to identify file system (C:\E11)> (C:\E11)>mount ld0: dvrdsk.dsk /RT11 (C:\E11)>dir ld0: Volume in drive LD) is RB 03-JAN-97 Add SPFUNs Directory of LD0:\*.* 18-Apr-2001 ?Corrupt directory (C:\E11)> Perhaps it is just a simple thing I overlook, but whatever I try it looks like the DSK file is bad. I downloaded the file with Netscape 4.76 and right-clicked on the link and choose "Save link as..." from the pop-up menu. BTW, the page is http://shop-pdp.kent.edu/sshtml/tcpget.htm Kind regards, Henk Gooijen, PDP-11 collector Sneak-peek of retro-computing: http://home.12move.nl/~sh416008

24 years, 1 month

Update on dates for VCF East

by vcf＠siconic.com

It came to my attention that June 23-24 is the nationwide AARL event weekend so I have decided against holding the VCF on that weekend. I'm currently looking at the weekend of July 14-15 in Worcester or July 28-29 in Marlborough. Stay tuned :) Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org

24 years, 1 month

Collection list (just for phun)

by Alan.Pearson＠cramersystems.com

> I have to say that this is one of the most interesting topics that > we have discussed lately and it ereminds me why I actually > joined the list in the first place! Yeah, it's great to see what stuff people have got, I agree! I only joined the list a couple of weeks ago, and don't have anything much of a "collection" as such (just the usual stock of home micros, mostly stuff I got from new and never had the heart - thankfully - to throw out when they stopped being used) - Sinclair, Acorn, Commodore etc. Probably the only "interesting" one in the lot is an OU Hektor1 (someone else just posted about one of these 8085 boards). I'm in Bath (UK), and so far haven't found a decent source of old machines in the area - computer scrap/surplus dealers seem a bit thin on the ground. > Another thing I would find interesting is/are lists of what people are looking for.. I'm interested in older workstations (mainly stuff I've worked on in the past) and am always on the lookout for spares/complete systems/manuals/software etc - basically anything :-) Of most interest are: Xerox Alto (fat chance of finding one in the UK though!), Xerox 860, Xerox D-machines (8010, 6085, 1186 etc) Sun 3/60 Sun 4/110 Sun SPARCstation IPC HP9000 (725? can't remember the model number now) ICP/3RCC PERQ Cheers Al

24 years, 1 month

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test-drb April 2001