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OpenVMS Hobbyist Program | VAX Systems Forums | Emulated VAX Forum
Author how to build simh 3.9 under Ubuntu 16.04 LTS with TCP/IP

Posts: 1
Joined: 31.12.17
Posted on January 15 2018 07:18

since weeks I try to get my OpenVMS under simh 3.9.x / VAX (7.3.x) to run. One of the primary problems is the missing libqcap under Ubuntu 16.04 LTS (either GNOME3 or native) and Windows 10 Pro 64 bits. I couldn't find a compilable version of simh with libqcap running TCP/IP on my OpenVMS. All the availabe software is not reachable for me, cause I couldnt transfer it onto my OpenVMS-filesystem without running TCP/IP...

also there were no chance to create a running ISO-System for importing VAX-Software from my other hosts, cause still only the origin OpenVMS-ISO is running under DUA3:/RQ ... all other external created ISOs were rejected (perhaps mountable with /OVER=id, but not readable directory structures).

Who has a running simh with TCP/IP under Ubuntu and how you built it with the current libraries? (contigously upgraded to last releases).... ?????

Is any one up un OpenVMS/VAX still until today?????

Veit Heise
Author RE: how to build simh 3.9 under Ubuntu 16.04 LTS with TCP/IP

Posts: 6
Joined: 06.03.09
Posted on January 16 2018 00:21

I just built SIMH last night on Ubuntu 16.04.3 Server last night.

First I suggest building the latest version of SIMH (currently it is a beta of 4.0). Version 3.9 is very old and there have been many improvements and fixes since it's release. Many of the improvements have been to the networking parts of simh.

wget https://github.com/simh/simh/archive/master.zip
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install libpcap-dev vde2 libsdl2-dev
sudo apt-get install unzip build-essential bridge-utils
unzip master.zip
cd simh-master/

The commands above will build SIMH on Ubuntu with networking support. In the most recent versions of SIMH, networking is enabled by default.
Edited by robl on January 16 2018 00:23
Author RE: how to build simh 3.9 under Ubuntu 16.04 LTS with TCP/IP

Posts: 530
Joined: 15.04.08
Posted on January 16 2018 03:00
Has anyone checked if Ubuntu has updated the libvirt package for Ubuntu 16.04 to the actual version needed for the LXD/LXC versions bundled?

The best way I found to run SimH/VAX with networking is to use a LXD container, and the easiest way to configure it is with libvirt.

It would be nice if SimH could be enhanced to so that its configuration could be managed by libvirt.
With libvirt, the VAX emulator shows up looking like a VM to standard management tools.

Unfortunately my upgrade from Ubuntu 14.04 to 16 had to be backed out, because LXD/LXC bundled with it requires "capabilities" to be set for the SimH/VAX, and the version of libvirt provided by Ubuntu 16 was too old to support it.


Also the VMS distributions are not ISOs, they are disk images. Any tool that actually expects it to be an ISO will fail.
Author RE: how to build simh 3.9 under Ubuntu 16.04 LTS with TCP/IP

Posts: 530
Joined: 15.04.08
Posted on January 16 2018 03:13
This thread will be moved to the Emulated VAX Forum soon.
Author RE: how to build simh 3.9 under Ubuntu 16.04 LTS with TCP/IP

Posts: 38
Location: Hillsboro Ohio
Joined: 15.02.07
Posted on April 22 2018 13:58
i am using windows 7 ultimate
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