Bash commands regarding network

  - Quick & dirty bandwidth monitor<code bash>watch -n1 "ifconfig eth0 | grep 'RX'"</code>
  - LAN/WAN TCP connections <code bash>sudo lsof -n -P -i +c 15</code>
  - Public IP <code bash>wget http://ipinfo.io/ip -qO -</code> or <code bash>curl ipecho.net/plain ; echo</code>