sudo nano /etc/init.d/local.startup
You can name the new file whatever you want, but in this example i haveused local.startup. Type
on the first line of the file.
Now type your command(s) underneath, one after the other. Now save and close and make the file executable with
sudo chmod +x /etc/init.d/local.startup
Make the file to be recognized as an init script:
sudo update-rc.d local.startup defaults 80
Now when you restart you will have the commands in the file auto started.