[CentOS] Running a command at startup

RC cjvijf at gmail.com
Thu Dec 13 01:28:41 UTC 2018


if it's Centos/RHEL 7,  you can turn it into a service that starts after 
boot too,  and cintrol it with systemctl.

On 12/12/18 5:04 PM, 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?
>
> thanks
>
>
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