Ubuntu-LoadCommandLineWhenBoot

1. Create folder in home with the command line
    |- ~> mkdir script-folder
    |- ~> touch script-folder/custom-script-done
    |- ~> sudo chmod 777 script-folder/custom-script-done
    |- ~> nano script-folder/custom-script.sh

touch /home/{USER_FOLDER}/script-folder/custom-script-done;
** write the command line **

    \- ~> sudo chmod 755 script-folder/custom-script.sh
    
# OPTION A (in boot process, sudo stuff, taking care the call-tail-order)
    
2.0. Create the script to load in boot
    |- ~> sudo nano /etc/init.d/custom-script

#!/bin/bash
./home/{USER_FOLDER}/script-folder/custom-script.sh

    \- ~> sudo chmod 755 /etc/init.d/custom-script
    
2.1. Create the links to load/kill the script when boot/shutdown
    |- ~> sudo ln -s /etc/init.d/pjbridge-script /etc/rc3.d/S99pjbridge-script
    \- ~> sudo ln -s /etc/init.d/pjbridge-script /etc/rc6.d/K01pjbridge-script
    
# OPTION B (in crontab, before boot, java stuff )

2. Open crontab with nano and add line 
    |- ~> crontab -e

@reboot sh /home/{USER_FOLDER}/script-folder/custom-script.sh

# END OPTIONS

3. Reboot
    \- ~> sudo reboot
    
4. Check the file custom-script-done exists (and time
    #|- ~> sudo lsof -i | grep command
    |- ~> cd script-folder;
    |- $> ls
    \- Done!