Scott Donovan's List: raspbeery

• get the current frequency of the RPi CPU:
   /opt/vc/bin/vcgencmd get_config arm_freq
• measure the temperature of the RPi CPU:
   /opt/vc/bin/vcgencmd measure_temp
• get the current firmware version of your RPi:
   /opt/vc/bin/vcgencmd version
• show all installed packages:
   dpkg –get-selections
   find a specific package:
   dpkg –get-selections | grep <package name>
• list all files in a directory (last modified files last):
   ls -lrt
• remove an (apt-get) application from your RPi:
   sudo apt-get –purge remove <app name> && sudo apt-get autoremove –purge
• switch to ‘super user‘ terminal window (means you don’t have to use the ‘sudo’ prefix in front of all the following commands)
   sudo -i
• synchronize the date and time of your RPi:
   sudo dpkg-reconfigure tzdata
• list all loaded drivers:
   sudo lsmod
• list all connected USB devices
   sudo lsusb
• edit the Raspberry PI boot configuration file:
   sudo nano /boot/config.txt
• reboot your RPi:
   sudo reboot

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