Overlay

Dependencies

• isof (apt-get install lsof)

Getting started

• Copy the content of .env.example in a new .env file
• Fill out SOCKET_URL, CONSOLE_ID and CONSOLE_TOKEN env variables
• Start the overlay: sudo node app.js or npm run dev (with nodemon)
• To get debug or logs with socket.io use the following command: sudo env DEBUG=socket.io* npm run dev

Commands

Here is a list of some useful bash commands to get basic information from the system.

• get ip address

  ip route get 8.8.8.8 2>/dev/null | awk '{print $NF; exit}'

• get number of process running

  ps ax | wc -l | tr -d " "

• get system name

  uname -srmo

• get hostname

  hostname

• get uptime in seconds

  /usr/bin/cut -d. -f1 /proc/uptime

• get cpu temp in °C (divide by /1000)

  /sys/class/thermal/thermal_zone0/temp

• get gpu temp in °C

  /opt/vc/bin/vcgencmd measure_temp

• get free memory (in Kb)

  grep MemFree /proc/meminfo | awk {'print $2'}

• get total memory (in kB)

  grep MemTotal /proc/meminfo | awk {'print $2'}

• get disk usage

  df -h /

• scan wifi networks near

  iwlist wlan0 scan

• get current wifi ssid

  iwgetid -r