SWAP_SIZE=16G && SWAP_FILE=/swapfile && sudo swapoff -a && sudo rm -f $SWAP_FILE && sudo fallocate -l $SWAP_SIZE $SWAP_FILE && sudo chmod 600 $SWAP_FILE && sudo mkswap $SWAP_FILE && sudo swapon $SWAP_FILE && echo "$SWAP_FILE none swap sw 0 0" | sudo tee -a /etc/fstab