So I am not familiar with bitnami (and always install and configure what I need on servers nmyself).
I can tell from what you posted that this is the section that is trying to make these services start at boot:
68 sudo cp ctlscript.sh /etc/init.d/bitnami-lampstack
69 sudo chmod +x /etc/init.d/bitnami-lampstack
70 sudo nano /etc/init.d/bitnami-lampstack
71 sudo update-rc.d -f bitnami-lampstack defaults
72 sudo update-rc.d -f bitnami-lampstack enable
73 sudo reboot
If this isn't a production machine maybe reboot and see if things come up like they should. If it is a production machine you will want to schedule a time to do this (off hours).
Then you can check the logs for why something didnt start. Each services (Maria, Apache, etc) generally has their own error logs that you would need to take a look at based on what happens after the reboot.
Honestly, it looks like whoever did this did it correctly.