Swap Script:
https://github.com/Cretezy/Swap/blob/master/swap.sh

How To Add Swap on Ubuntu 14.04

https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04

AWS, Magento Update, Memory Error
https://devdocs.magento.com/guides/v2.3/comp-mgr/trouble/cman/out-of-memory.html