#!/bin/bash

chmod 666 /dev/dri/renderD128
chmod 666 /dev/dri/card0

# For a persistent way to give the permissions (this worked for me the first time but later on stopped working)
cat > /etc/udev/rules.d/99-intel-chmod666.rules << 'EOF'
KERNEL=="renderD128", MODE="0666"
KERNEL=="card0", MODE="0666"
EOF