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Code 'n Load daemon

Current commands

If you're using the Control Panel, you can send the following commands directly to the device. If accessing via SSH, you need to prepend cnl to the command.

  • blinkme temporarily blinks the built-in LED of the device. It allows you to identify a device.
  • clean execute make clean on the application repository.
  • clone clone application repository.
  • coretemp get CPU temperature.
  • config set|get set or get configuration parameters (environment varibles in /etc/cnl.conf).
  • journal app|cnld|ssh see journal log for application, daemon or ssh connection.
  • monitor on|off enables|disables the application repository monitor. Remember to config set CNL_APP_MONITOR_TIME=0 in order to disable monitor permanently.
  • pubkey get public key of the device.
  • pull execute git pull on the application source folder.
  • remove remove application source code repository from device (execute rm -rf $CNL_APP_PATH).
  • serial get serial number from device.
  • start start application daemon (systemctl start cnl_app).
  • status [app|cnld|ssh]
  • stop stop application daemon (systemctl stop cnl_app).
  • update execute make update on the application repository.

Current configuration variables

Configuration variables are stored in /etc/cnl.conf.

  • CNL_PATH path for the CnL daemon source code repository.
  • CNL_APP_URL URL or SSH access for the application repository.
  • CNL_APP_PATH local path for the application source code repository.
  • CNL_APP_MONITOR_TIME monitoring time in seconds for the application repository.
  • CNL_SSH_KEY location of the SSH keys.
  • AUTOSSH_GATETIME=0 always set to zero for autossh.
  • CNL_SSH_LOCAL_PORT port number where sshd listens on the device.
  • CNL_SSH_SERVER_URL server URL, set during device registration.
  • CNL_SSH_SERVER_PORT server SSH port, set during device registration.
  • CNL_SSH_USER server SSH user, set during device registration.
  • CNL_SSH_REMOTE_PORT SSH tunnel port on server, set during device registration.