How to create init.d startup script

Question

I just want to run a very simple command on startup. How can I do that? I've searched google and it has very complicated examples, but what I need is just run this script on startup. How can I do that?

Script

./init.d/opscenter-agent start

Answer 1

If you want to do this as system startup (as opposed to when you log in to your computer), put the commands you want to run in /etc/rc.local.

See [Ubuntu] Executing a script at startup and shutdown.

Answer 2

If the script does not need to be run by root, you can do this:

1) Open "Startup Applications Preferences" (Alt + F2 and paste gnome-session-properties and hit Enter),

2) Press "Add" and select your script:

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If you are not using a graphical environment, you can put the commands just before the line exit 0 in this file: /etc/rc.local. (To edit it just paste at terminal sudo nano /etc/rc.local.