[Raspberry Pi 5] Mosquitto 설치

라즈베리파이에 아두이노 연결하고 mqtt 사용할거라 설치했다.

 

1. Mosquitto 설치

apt install -y mosquitto mosquitto-clients

2. Mosquitto 실행

$ systemctl enable mosquitto
Synchronizing state of mosquitto.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable mosquitto

$ systemctl start mosquitto

$ systemctl status mosquitto
● mosquitto.service - Mosquitto MQTT Broker
     Loaded: loaded (/lib/systemd/system/mosquitto.service; enabled; preset: enabled)
     Active: active (running) since Wed 2025-03-26 21:35:42 KST; 42s ago
       Docs: man:mosquitto.conf(5)
             man:mosquitto(8)
   Main PID: 115906 (mosquitto)
      Tasks: 1 (limit: 9573)
        CPU: 15ms
     CGroup: /system.slice/mosquitto.service
             └─115906 /usr/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf

Mar 26 21:35:42 WAS-1 systemd[1]: Starting mosquitto.service - Mosquitto MQTT Broker...
Mar 26 21:35:42 WAS-1 systemd[1]: Started mosquitto.service - Mosquitto MQTT Broker.

3. mosquitto.conf 수정

$ cd /etc/mosquitto

$ nano mosquitto.conf

 

아래 부분을 추가한다.

 

listener 1883
protocol mqtt

listener 8081
protocol websockets

# 익명 접속 가능
# 추후에 수정 예정
allow_anonymous true

 

# 재실행
$ systemctl restart mosquitto

# 웹소켓 포트 확인
$ netstat -tulnp | grep 8081
tcp6       0      0 :::8081                 :::*                    LISTEN      116110/mosquitto