Create SWAP 1Gb

create_swap_1g.sh

#!/bin/bash

if [ ! -f /swapfile ]; then
    sudo fallocate -l 1G /swapfile
    echo -e "\e[32mSWAP file created.\e[39m"
else
    echo -e "\e[33mSWAP file already exist.\e[39m"
fi

if ! [[ `swapon -s | grep /swapfile` ]]; then
    sudo mkswap /swapfile
    sudo swapon /swapfile
    echo -e "\e[32mSWAP created and enabled!\e[39m"
else
    echo -e "\e[31mSWAP already enabled!\e[39m"
fi