| #!/usr/bin/env python | |
| import time, colorsys, psutil, subprocess | |
| import dot3k.lcd as lcd | |
| import dot3k.backlight as backlight | |
| from dot3k.menu import Menu, MenuOption | |
| def run_cmd(cmd): | |
| p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) | |
| output = p.communicate()[0].rstrip() |
This is a method for setting up an OpenVPN tunnel on a Raspberry Pi router device, which does not route all traffic via the VPN, but selective IP address within the LAN.
Note 1: also uses the amazing sqm-scripts for traffic shaping, to reduce bufferbloat as much as possible.
Note 2: eth0 is our internal LAN, wlan0 is our external WAN
$ sudo nano /etc/sysctl.conf, uncomment this line:
To play music at home, I use a Raspberry Pi and Shairport-sync to receive an Airplay stream and output via a pair of USB speakers.
I wanted to sample the audio stream, display an audio visualiser on the Display-o-Tron LCD display. Additionally I wanted to display the track info, which can be read from the metadata.
Using a bit of python magic, we can tie it all together...! Watch it all in action:
