[Linux] VS Server with systemd

[daretmavi]

On my way to run VS Server on Raspberry Pi 4, I tried to run it through systemd.

In works nice, but I was not able to send any commands to the server. Terminal emulation "screen" does not work with systemd, so the script server.sh is useless.

I found some solution. It can be done by adding socket to the service definition (in /etc/systemd/system/).

vintagestory.service

[Service]
...
Sockets=vintagestory.socket
StandardInput=socket
StandardOutput=journal
StandardError=journal
...

and create the socket file

vintagestory.socket

[Unit]
PartOf=vintagestory.service

[Socket]
ListenFIFO=%t/vintagestory.stdin

Now you can send the command with echo
e.g.

echo "/stats" > /run/vintagestory.stdin

and read the server output with

systemctl status vintagestory

of look at the log

sudo systemctl status vintagestory

 

My service and socket files are attached (Work in progress).

vintagestory.service vintagestory.socket

[daretmavi]

Here is a simple script to run the command and get the status back - VS_command.sh

VS_command.sh <COMMAND-FOR-SERVER>

 

VS_command.sh