Create swap

create_swap.sh

#!/bin/sh

export SWAP_SIZE=2G

sudo fallocate -l $SWAP_SIZE /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile

sudo bash -c 'echo "/swapfile   none    swap    sw    0   0" >> /etc/fstab'

sudo sysctl vm.swappiness=10
sudo sysctl vm.vfs_cache_pressure=50

sudo bash -c 'echo "vm.swappiness=10" >> /etc/sysctl.conf'
sudo bash -c 'echo "vm.vfs_cache_pressure=50" >> /etc/sysctl.conf'