Script to dynamically enable ZRAM on a Raspberry Pi or other Linux system.

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/novaspirit/rpi_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 &