PureGrain-patch-readme

RPI_ZRAM by Don (@novaspirit)

This script will enable ZRAM on a Raspberry Pi

rpi_zram

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.

Quick Installer

Install RPI_ZRAM from your Raspberry Pi's shell promt:

sudo wget -q https://git.io/vM1kx -O /tmp/rpizram && bash /tmp/rpizram

The installer will complete the steps in the manual installation (below) for you.

Manual Installation

Download the script and copy to /usr/local/bin/ folder

sudo wget -O /usr/local/bin/zram.sh https://raw.githubusercontent.com/novaspirit/rpi_zram/master/zram.sh

make file executable

sudo chmod +x /usr/local/bin/zram.sh

edit /etc/rc.local file to run script on boot

sudo nano /etc/rc.local

add line before exit 0

/usr/local/bin/zram.sh &

run the script to start your RPI_ZRAM sudo /usr/local/bin/zram.sh

See it in action

Use top, htop or atop. Which ever you prefer to view the swap memory in action or a simple free -m will do the trick

free -m

That command should output something like: