Network

Finding PID by TCP port

lsof -i :3000

Set static IP address for local network

Edit /etc/dhcpd.conf

interface wlan0
static_routers=192.168.1.36/24
static domain_name_servers=192.168.1.1
static ip_address=127.0.0.1 8.8.8.8 8.8.4.4 # First own DNS, then Google's