#!/bin/bash

echo
echo "  => ZRAM"
echo

# Check for zram
pkg=zram-tools
dpkg-query -W -f='${Status}' $pkg 2>&1 | grep -q " installed"
if [ $? -eq 0 ]; then
    echo "ZRAM found."
    exit
fi

# Install zram
apt-get install zram-tools -y

# Configure zram
sed -i '/#ALGO=lz4/s/^#//g' /etc/default/zramswap
sed -i '/#PERCENT=50/s/^#//g' /etc/default/zramswap
sed -i 's/ALGO=lz4/ALGO=zstd/g' /etc/default/zramswap
systemctl restart zramswap.service