[HECnet] DECnet/Python

[Thomas DeBellis]

I had 'a bit' of DECnet 'partly' running on an Ubuntu machine some time 
ago...  Well, not exactly: I only put LAT up because I wanted to test 
something and LAT isn't actually DECnet.  The Ubuntu host knows about 
everybody:

    slogin at neptune:~$ sudo latcp -d -l -v

    Service Name:    NEPTUNE
    Service Status:  Available
    Service Ident:   Linux 5.4.0-42-generic

    Node Name        Status      Rating   Identification
    NEPTUNE          Reachable       10   Linux 5.4.0-42-generic
    --------------------------------------------------------------------------------

    Service Name:    TOMMYT
    Service Status:  Available
    Service Ident:   TOMMYT, PANDA TOPS-20 Monitor 7.1(21740)-5

    Node Name        Status      Rating   Identification
    TOMMYT           Reachable        1   TOMMYT, PANDA TOPS-20 Monitor
    7.1(21740)-5
    --------------------------------------------------------------------------------

    Service Name:    VENTI2
    Service Status:  Available
    Service Ident:   VENTI2, PANDA TOPS-20 Monitor 7.1(21742)-5

    Node Name        Status      Rating   Identification
    VENTI2           Reachable        1   VENTI2, PANDA TOPS-20 Monitor
    7.1(21742)-5
    ----------------------------------

The 20's only seem to know about the Ubuntu host:

    LCP>shoW serVER /alL
    LCP>

    19:43:26 [LCP]        -- Summary of All Servers --

    Server Name(Number): NEPTUNE(0) Address: 6C-4B-90-3A-42-73
    LCP>

    LCP>shoW servER NEPTUNE
    LCP>
    19:41:10 [LCP]        -- Information About Server NEPTUNE --

    Server Number: 0
    Server Location: LATD for Linux
    Server Type: VAX/VMS
    Ethernet Address: 6C-4B-90-3A-42-73
    Server Status: Disconnected
    Max Slots: 254
    Data Link Size: 1500
    Circuit Timer(ms): 80
    Keep-alive Timer(s): 20

    LCP>shoW couNTERS /serVER:NEPTUNE
    LCP>
    19:40:36 [LCP]        -- Counters for Server NEPTUNE --

    Messages received: 2
    Messages transmitted: 1
    Messages retransmitted: 0
    Sequence errors received: 0
    Illegal messages received: 0
    Illegal slots received: 0
    Resource failures: 0
    LCP>

At some point, I'm fairly certain I remember them being able to 'see' 
each other.  I had a Pathworks CD-ROM for Windows 2000, but I can't find 
that and the Windows 2000 laptop I was using has caught a very bad cold 
(I.E., it won't boot)

llogin operation has been erratic.  At one point it worked mostly to the 
20's, but was not stable.  Now it fails in one of two ways:  1) To a 20, 
it fails silently with no error message at all.  2) To an Ubuntu host, 
it succeeds in connecting, and then starts spewing, viz

    slogin at neptune:~$ llogin neptune
    Ubuntu 20.04.1 LTS
    neptune login: Ubuntu 20.04.1 LTS
    neptune login:

    neptune login:
    sllllooooggggiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

I've never complained about it because I wanted to investigate further 
and maybe either fix what I was doing wrong (undoubtedly the real 
problem) or at least fix it to give better error diagnostics.

I haven't looked at the 20's because I've been occupied fixing bugs of 
more direct concern to me.

If the 20 had a LAT client, I might look further, but I don't what the 
scale of that work would be.  Right now, I'm trying to stay away from 
big projects and just finish the ones that I have in flight.

------------------------------------------------------------------------


On 10/26/21 3:11 PM, John Forecast wrote:
>
>
>> On Oct 26, 2021, at 7:57 AM, fsword007 at gmail.com wrote:
>>
>> Folks,
>> I successfully installed DECnet/Python on Ubuntu 21.10 system and was 
>> successfully connected to HECnet.
>> I have a few questions about DECnet/Python.  I choose that because it 
>> support virtual circuits like Multinet over TCP,  etc..
>> I can’t find any apps (programs) to support DECnet/Python like login, 
>> set host, dir, etc.  Only DECnet for Linux has programs.
>> Does DECnet for Raspberry Pi work with Ubuntu 21.10 (Linux 5.13 for 
>> x86)?
>
> I’ve never tried Ubuntu but I have built DECnet for Raspberry Pi on an 
> older version of Debian x86 without any problems. My suggestion would 
> be to try it. Due to family medical issues I will be unable to check 
> it out until December at the earliest.
>
>   John.
>> Tim
>
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