Take note: Make a file less than /and so on/apt/sources.list.d, not the /etc/apt/resources.record file the place the distribution's Formal repository addresses are located. That is a strategy that will not destabilize your system. It is recommended. You ought to have identified that I’m using Ovhcloud for this tutorial. Sense https://www.hostscheap.com/magento-2-install-service