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15562 discussions

embedded libraries for PDP-11, was Re: [HECnet] DECUS RSX C compiler

by mcguire＠neurotica.com

On 10/26/2012 04:52 PM, Paul_Koning at Dell.com wrote: The 2.11BSD lib looks leaner, and I am using it in my pet OS project (I pick the pieces I need "on the run", I have not done a complete port... yet). If the above suggestion doesn't get you anywhere, perhaps avrlibc could be hacked into a PDP-11 library. All of the hardware support will have to be ripped out of course, but there are nice tight implementations of generic library functions in there. I took a look at that. It seems to be largely assembly code, which makes it not very helpful. I've lifted more than a few routines from it, and they've all been C. Guess I just got lucky. Sorry for the false start. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 8 months

embedded libraries for PDP-11, was Re: [HECnet] DECUS RSX C compiler

by Paul_Koning＠Dell.com

On Oct 22, 2012, at 3:32 PM, Dave McGuire wrote: ... The 2.11BSD lib looks leaner, and I am using it in my pet OS project (I pick the pieces I need "on the run", I have not done a complete port... yet). If the above suggestion doesn't get you anywhere, perhaps avrlibc could be hacked into a PDP-11 library. All of the hardware support will have to be ripped out of course, but there are nice tight implementations of generic library functions in there. I took a look at that. It seems to be largely assembly code, which makes it not very helpful. paul

12 years, 8 months

Area 6 restored

by md.benson＠gmail.com

Hi, After prolonged downtime, and a major upheaval in my room, including shutting down my Microserver that formally ran 24/7, I have finally got STAR69 running agin and Area 6's routing functioning once more. STAR69 is not running on a RaspberryPi (old 256MB version) and seems to be working normally again. The bridge is also up on the same Linux unit. I bet no-one even noticed, right? ;) -- Mark Benson http://DECtec.info Twitter: @DECtecInfo HECnet: STAR69::MARK Online Resource & Mailing List for DEC Enthusiasts.

12 years, 8 months

DECnet on 4.3BSD/TOPS-20 and other questions

by mcguire＠neurotica.com

On 10/23/2012 08:37 PM, Cory Smelosky wrote: I might be able to find a Qbus SCSI host adapter, but I those seem to run quite a bit on ebay, but I have other resources (that don't seem to have anything DEC ) They are expensive, but they're well worth having if you can scrape together the bucks. I think it'd be cheaper for me to find some DSSI drives. (Or add a DSSI <-----> SCSI adapter in to the mix ) Well, trouble is, they're drying up fast. Think I could make a VAX work with iSCSI? ;) That's an idea! Would be easier on a weekend due to my eyesight making me unable to drive, so i'd need someone to drive me there. Although I have a few friends a little ways from Pittsburgh who might be able to help in some way. Me getting there directly is a bit challenging, both due to my eyesight and possibly being the youngest here ;). Understood. I generally don't differentiate much between weekdays and weekends, so either is fine for me. (You have no idea how hard it is to get this working in a VM ). Oh yes I do. ;) I virtualized a gaggle of SCO OpenServer machines for a customer about two years ago, using VMware. Oh man that was a mess...VMware was the only virtualization platform that would work, and even that took some doing. They're all still running, though, but now on VERY different hardware. :-) At least it's not Hyper-V I couldn't get anything to run in Hyper-V save for windows. And not even NT 4! Eeeeeek! -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 8 months

Leaving HECnet

by marc＠bluevine.net

Ah, I don't know anything about Multinet. Is there a reason why you can't use the bridge in that case? The bridge program probably would have worked better, but since I'm shutting down the server hosting these virtual machines (along with a couple Solaris VMs, a Linux VM, and a Windows VM), it's easier just to keep the stuff offline except for the rare times when I might need to boot up a VMS or PDP-11 system. (Given the amount of times I've accessed the systems in the past year, I suspect that it's more about archiving them for reference.) --Marc

12 years, 8 months

Leaving HECnet

by robert.jarratt＠ntlworld.com

-----Original Message----- From: Marc Chametzky [mailto:marc at bluevine.net] Sent: 25 October 2012 20:53 To: hecnet at Update.UU.SE Cc: Rob Jarratt Subject: Re: [HECnet] Leaving HECnet Can you explain a little more about the randomization of the source port number? I might be being stupid here, but I don't see what problem that would cause, the bridge runs over UDP. Or are you talking about some other way of tunnelling DECnet over IP? I'm not using the bridge program. I'm using MultiNet's DECnet-over-IP circuit. It sends packets to the remote system over UDP on port 700. The problem is that its source port is also 700. My firewall randomizes the source port for security reasons and is not configurable in that regard. When the destination system receives packets from my network, it drops them because they don't have the right source port. --Marc Ah, I don't know anything about Multinet. Is there a reason why you can't use the bridge in that case? Regards Rob

12 years, 8 months

Leaving HECnet

by marc＠bluevine.net

Can you explain a little more about the randomization of the source port number? I might be being stupid here, but I don't see what problem that would cause, the bridge runs over UDP. Or are you talking about some other way of tunnelling DECnet over IP? I'm not using the bridge program. I'm using MultiNet's DECnet-over-IP circuit. It sends packets to the remote system over UDP on port 700. The problem is that its source port is also 700. My firewall randomizes the source port for security reasons and is not configurable in that regard. When the destination system receives packets from my network, it drops them because they don't have the right source port. --Marc

12 years, 8 months

Leaving HECnet

by robert.jarratt＠ntlworld.com

-----Original Message----- From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On Behalf Of Marc Chametzky Sent: 25 October 2012 19:49 To: hecnet at Update.UU.SE Subject: [HECnet] Leaving HECnet I'm working on consolidating my system and as part of this, I'm getting rid of my ESXi server that's running my virtual systems. I'm going to move them to my file server where I'll simply run them on demand from my Mac. I thought about keeping HECnet around, but given that my connectivity hasn't been working anyway due to my firewall's insistence on randomizing the source port number for the DECnet-over-IP circuit, I think I'm just going to drop off at this point. Plus, I don't know when I'd be back online again in the future once I shut the server down. The affected nodes to be removed are 19.300 through 19.304. Thanks so much for letting me hang around. I still love the idea of a hobbyist DECnet. :-) --Marc Marc, Can you explain a little more about the randomization of the source port number? I might be being stupid here, but I don't see what problem that would cause, the bridge runs over UDP. Or are you talking about some other way of tunnelling DECnet over IP? Regards Rob

12 years, 8 months

Leaving HECnet

by mcguire＠neurotica.com

On 10/25/2012 02:49 PM, Marc Chametzky wrote: I'm working on consolidating my system and as part of this, I'm getting rid of my ESXi server that's running my virtual systems. I'm going to move them to my file server where I'll simply run them on demand from my Mac. I thought about keeping HECnet around, but given that my connectivity hasn't been working anyway due to my firewall's insistence on randomizing the source port number for the DECnet-over-IP circuit, I think I'm just going to drop off at this point. Plus, I don't know when I'd be back online again in the future once I shut the server down. The affected nodes to be removed are 19.300 through 19.304. Thanks so much for letting me hang around. I still love the idea of a hobbyist DECnet. :-) :-( -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 8 months

Leaving HECnet

by marc＠bluevine.net

I'm working on consolidating my system and as part of this, I'm getting rid of my ESXi server that's running my virtual systems. I'm going to move them to my file server where I'll simply run them on demand from my Mac. I thought about keeping HECnet around, but given that my connectivity hasn't been working anyway due to my firewall's insistence on randomizing the source port number for the DECnet-over-IP circuit, I think I'm just going to drop off at this point. Plus, I don't know when I'd be back online again in the future once I shut the server down. The affected nodes to be removed are 19.300 through 19.304. Thanks so much for letting me hang around. I still love the idea of a hobbyist DECnet. :-) --Marc

12 years, 8 months

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