[HECnet] DECnet on Ubuntu 14.04

[Supratim Sanyal]

If you haven't, echo xx.yyy > /proc/sys/net/decnet/node_address from rc.local at boot time, where xx.yyy is your DECnet address. It is completely broken after 14.04 anyway. Erik Olofsen wrote some kernel patches for later kernels and he or others might chime in. My attempt at a write-up is at http://supratim-sanyal.blogspot.com/2017/09/the-decnet-linux-experience-it-works.html


> On May 12, 2019, at 5:56 PM, Robert Armstrong <bob at jfcl.com> wrote:
> 
>   Can anybody tell me the secret to making DECnet work on Ubuntu 14.04 (Precise)?    Yes, this release is out of date but it’s the one I need to use for other compatibility reasons.
>  
>   I installed the dnet-common, dnet-progs and libdnet packages from the standard repository.  I configured the /etc/decnet.conf and dnet.conf files (and I don’t care about decnet.proxy just yet).  Nothing seems to give an error, the dnetd daemon is running, and the MAC of my eth0 has been changed to match my DECnet address.  dneigh shows the correct adjacent routing node on the network.
>  
>   But nothing can communicate.  All the DECnet commands (sethost, dnping, etc) give “socket: no such device” errors, and all the other DECnet machines on the network think the Linux host is unavailable.
>  
>   I seem to remember that there was some problem with the DECnet startup with upstart, but I don’t remember the details and Google isn’t being helpful today.
>  
> Thanks,
> Bob
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