[Simh] Unattended background SIMH process

[James W. Laferriere]

 	Hello Jeremy ,  You call a /home/eric/stop_eric.sh in your systemd 
procedure ,  But forgot to insert the contents of the file in your missive .

 		Tia ,  JimL

On Fri, 29 Nov 2019, Jeremy Begg wrote:
> Hi Seth,
>
>> Has anyone got a clean solution for running a background SIMH process
>> that doesn't involve `screen` or `tmux`?
>
> My solution is pretty clean and doesn't require any kind of virtual TTY.
>
> I have SIMH running under Ubuntu Linux 18.04 on an Intel i3 NUC box.
> It took a little trial and error to get it all working (mostly due to
> Ubuntu's use of 'netplan' and 'systemd') but it works well enough for me.
>
> It's configured so that my SIMH VAX starts up when Linux starts up.
> I don't have it configured to shutdown VAX/VMS or SIMH when Linux is
> shutting down, but for my purposes it doesn't need to.  (Or I just haven't
> gotten around to it yet; the machine is only rebooted when I want it to.)
>
> ------------------------------------------------------------------------------
> # /etc/systemd/system/simh-eric.service
> # Starts SIMH at system boot to run ERIC the Half-a-VAX
> # Created 21-Jul-2019 by Jeremy Begg
>
> [Unit]
> Description=ERIC the half-a-VAX
> Requires=network-online.target
> After=network-online.target
>
> [Service]
> User=eric
> ExecStart=/home/eric/start_eric.sh
> ExecStop=/home/eric/stop_eric.sh
> RemainAfterExit=yes
>
> [Install]
> WantedBy=multi-user.target

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| James   W.   Laferriere    | System    Techniques | Give me VMS     |
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