On Wed, Dec 12, 2018 at 07:04:12PM -0500, Robert Moskowitz wrote: > > On a support forum, I was told that to turn off my board's blue led run: > > echo none | sudo tee /sys/class/leds/blue\:heartbeat/trigger > > Well, this does not survive a system reboot. So I was told: > > Add the off bit to > > /etc/rc.local > > Add it above "exit 0" > > So of course, CentOS is past using rc.local and recommends: > > # It is highly advisable to create own systemd services or udev rules > # to run scripts during boot instead of using this fi > > So can someone point me to how to make this into a simple systemd service? https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sect-managing_services_with_systemd-unit_files You probably want something that is Type=oneshot. -- Jonathan Billings <billings at negate.org>