My SIMH VAX is behind a reliable IDS/IPS, so I wrote a stupid program to
do a "RUN SYS$SYSTEM:OPCCRASH" when a TCP connection is made to a
specific port. It's at QCOCAL::REMOTE-SHUTDOWN-LISTENER.ZIP if you are
on HECnet. An obvious minimum improvement would be to support some sort
of port-knocking.
Best,
Supratim
On 11/29/2019 12:38 AM, Lars Brinkhoff wrote:
Seth J. Morabito wrote:
Has anyone got a clean solution for running a background SIMH process
that doesn't involve `screen` or `tmux`?
I have also been in search of a solution for this. I'm OK with using
screen if necessary.
I would like to create an init script or systemd module that will kick
off a simulator as a daemon process that can start up on host boot, and
shut down on host shutdown.
It's the shutting down part that's the problem for me. The operating
systems I'm interested need to have a user login and type a command to
shut down cleanly. This is hard to do reliably.
Possible workarounds for this include abusing the hardware power fail
interrupt to initiate shutdown, or listening for a signal from the
network.
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