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Which configuration file is commonly used to customize Mosquitto settings on a Raspberry Pi?

easy🧠 Conceptual Q2 of 15
Raspberry Pi - MQTT for IoT
Which configuration file is commonly used to customize Mosquitto settings on a Raspberry Pi?
A/usr/local/mosquitto/settings.conf
B/etc/mqtt/config.ini
C/etc/mosquitto/mosquitto.conf
D/home/pi/mqtt.conf
Step-by-Step Solution
Solution:

  1. Step 1: Locate Mosquitto configuration file

    The standard configuration file for Mosquitto on Linux systems is located at /etc/mosquitto/mosquitto.conf.

  2. Step 2: Confirm typical usage on Raspberry Pi

    On Raspberry Pi OS, Mosquitto uses /etc/mosquitto/mosquitto.conf to set broker options like persistence, listeners, and security.

  3. Final Answer:

    /etc/mosquitto/mosquitto.conf -> Option C

  4. Quick Check:

    Mosquitto config file = /etc/mosquitto/mosquitto.conf [OK]
Quick Trick: Mosquitto config is in /etc/mosquitto/mosquitto.conf [OK]
Common Mistakes:
MISTAKES
  • Looking for config in user home directory
  • Confusing with generic MQTT config files

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