Rpi_Zram Script to enable ZRAM on a Raspberry Pi.
Automatically detects the number of CPU cores to allocate to ZRAM computation, disables existing swap and enables ZRAM swap.
Download the script and copy to /usr/bin/ folder
sudo wget -O /usr/bin/zram.sh https://raw.githubusercontent.com/ElectrooPi/Zram/master/Zram.sh make file executable
sudo chmod +x /usr/bin/zram.sh
edit /etc/rc.local file to run script on boot
sudo nano /etc/rc.local
add line before exit 0
/usr/bin/zram.sh &