run your script or executable file on ubuntu startup

 Following the below steps

.

#xx is your script or executable file

#copy xx to /etc/init.d/xx

#give permission

chmod 755 /etc/init.d/xx

#-- register autostart

update-rc.d /etc/init.d/xx defaults

#-- remove autostart

update-rc.d -f /etc/init.d/xx remove

.

reboot and test.

🙇🏻‍♂️ Thank you.

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