Ideas

• [x] BLE

• Rocket relay

• Flight Radar -need extra antenna

  • sudo service fr24feed start
  • interface: http://192.168.3.13:8754/settings.html

• Autodesk Ember printer

• [x] RepetierServer

# Start server
/etc/init.d/RepetierServer start
# Stop server
/etc/init.d/RepetierServer stop
# Restart server
/etc/init.d/RepetierServer restart

• RTL-SDR

• [x] GNU RADIO: for signal analysis, not enough cpu for heavy task

  • Conference
  • docs
  • gnuradio-companion
  • uhd_fft

• Spider

• Django

• [x] Apache server

  • web controlled LED sudo service apache2 start sudo apachectl start

• [x] WiFi extender

• Network filter (AD blocker)

• Mass surveillance network

• wifi sniffer

• Anti surveillance

Useful Links:

• CHIP Boot Repair
• tigervnc

Headless Server

• USB connect

screen /dev/tty.usbmodem1413 115200
export TERM=ansi  # correct encoding

cu -l /dev/tty.usbmodem1413 -s 115200
~.  # to escape

• system admin

usermod -l new old  # change username, check man for more

sudo usermod -a -G i2c chip  # use i2c tools without sudo for chip

sudo shutdown now

ip addr show wlan0

ps -p$$ -ocmd= # check shell

apt-get update/upgrade

apt-cache search keyword

sudo apt-get install sysstat

mpstat/vmstat/netstat/instat

htop 

last

updatedb # for locate database 

virtualenv venv

deactivate

stty < /dev/tty*  # check band rate

update-rc.d -f xxx remove # remove service

uname -a

• Install GUI

apt-get install lxde-core

startlxde

Hardware

• power management: check temperature

axp209 /etc/axp209

• Wi-Fi: Ref.

sudo nmtui

nmcli device wifi list

sudo nmcli device wifi connect '(your wifi network name/SSID)' password '(your wifi password)' ifname wlan0 

nmcli device status

• Bluetooth

sudo hcitool lescan  # search BLE device

bluetoothctl
     power on
     scan on
     pair
     agent on
     connect

• GPU?

• Onboard Power LED

sudo i2cset -f -y 0 0x34 0x93 0x0 # OFF

sudo i2cset -f -y 0 0x34 0x93 0x1 # ON

• GPIO
  • Pin number
  • library