ubuntu開機啓動

/rc.local  （ran as root)

https://unix.stackexchange.com/questions/210939/what-user-runs-the-commands-defined-in-etc-rc-local

 

crontab -e (ran as login user)

https://askubuntu.com/questions/814/how-to-run-scripts-on-start-up

https://serverfault.com/questions/449651/why-is-my-crontab-not-working-and-how-can-i-troubleshoot-it