Create swap file on AWS EC2 t2.micro 1gb

makeswapfile.sh

#!/bin/bash

sudo dd if=/dev/zero of=/swap bs=1M count=1024
sudo mkswap /swap
sudo chmod 600 /swap
sudo swapon /swap
sudo cp -iv /etc/fstab{,-$(date '+%y%m%d%H%M%S').bak}

sudo nano /etc/fstab
# add line
# /swap swap  swap  defaults  0 0

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

cat /proc/sys/vm/swappiness
cat /proc/sys/vm/vfs_cache_pressure

sudo nano /etc/sysctl.conf
# add lines:
# vm.swappiness=10
# vm.vfs_cache_pressure=50

# Disable access time logging
sudo nano /etc/fstab
# change "errors=remount-ro" to "noatime,errors=remount-ro"