--On Wednesday, December 12, 2018 7:04 PM -0500 Robert Moskowitz
<rgm@xxxxxxxxxxxxxxx> wrote:
So can someone point me to how to make this into a simple systemd service?
I'd first create a utility script (untried code!) like this:
/usr/local/sbin/BlueLedFunction.sh
#!/bin/sh
echo "$1" > /sys/class/leds/blue\:heartbeat/trigger
Then I'd create /etc/systemd/system/BlueLedOff.service with appropriate
sections to invoke that script with "none" as an argument and to run in
your desired runlevel. (Take a look at the examples in
/lib/systemd/system.) Then issue this to have it run at startup:
systemctl enable BlueLedOff
Note that custom unit files go in /etc/systemd/system to avoid having them
overwritten by distro updates. You can customize existing unit files by
either copying them from /lib/systemd to /etc/systemd or you can override
single settings with specially-named subdirectories in /etc/systemd/system.
See the unit file documentation for details.
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