dd if=/dev/zero of=/swapfile bs=1k count=2048000 mkswap /swapfile swapon /swapfile /swapfile swap swap defaults 0 0
https://xwsoul.com/posts/684
dd if=/dev/zero of=/swapfile bs=1k count=2048000 mkswap /swapfile swapon /swapfile /swapfile swap swap defaults 0 0