13.RaspberryPI에 MQTT 설치

cd ~ wget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key sudo apt-key add mosquitto-repo.gpg.key cd .. cd .. cd .. cd .. cd .. cd etc/apt/sources.list.d/ sudo wget http://repo.mosquitto.org/debian/mosquitto-stretch.list sudo apt-get update sudo apt-cache search mosquitto sudo apt-get install mosquitto mosquitto-clients sudo /etc/init.d/mosquitto start mosquitto_sub -d -t hello/world

mosquitto_pub -d -t hello/world -m "Hi!"

pi@raspberrypi:~ $ cd ~ pi@raspberrypi:~ $ wget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key g.key--2021-03-28 19:18:53-- http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key Resolving repo.mosquitto.org (repo.mosquitto.org)... 85.119.83.194, 2001:ba8:1f1:f271::2 Connecting to repo.mosquitto.org (repo.mosquitto.org)|85.119.83.194|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3167 (3.1K) [application/octet-stream] Saving to: ‘mosquitto-repo.gpg.key’ mosquitto-repo.gpg.key 100%[============================>] 3.09K --.-KB/s in 0.001s 2021-03-28 19:18:54 (2.06 MB/s) - ‘mosquitto-repo.gpg.key’ saved [3167/3167] pi@raspberrypi:~ $ sudo apt-key add mosquitto-repo.gpg.key OK pi@raspberrypi:~ $ cd /etc/apt/source.list.d/ bash: cd: /etc/apt/source.list.d/: No such file or directory pi@raspberrypi:~ $ cd /etc/apt/source.list.d/ bash: cd: /etc/apt/source.list.d/: No such file or directory pi@raspberrypi:~ $ ls Bookshelf Documents mosquitto-repo.gpg.key Pictures Templates Desktop Downloads Music Public Videos pi@raspberrypi:~ $ cd .. pi@raspberrypi:/home $ ls pi pi@raspberrypi:/home $ cd // pi@raspberrypi:// $ cd .. pi@raspberrypi:// $ cd .. pi@raspberrypi:// $ ls bin dev home lost+found mnt proc run srv tmp var boot etc lib media opt root sbin sys usr pi@raspberrypi:// $ cd /etc/apt/source.list.d/ bash: cd: /etc/apt/source.list.d/: No such file or directory pi@raspberrypi:// $ cd etc/apt/sources.list.d/ pi@raspberrypi://etc/apt/sources.list.d $ sudo wget http://repo.mosquitto.org/debian/mosquitto-stretch.list --2021-03-28 19:20:39-- http://repo.mosquitto.org/debian/mosquitto-stretch.list Resolving repo.mosquitto.org (repo.mosquitto.org)... 85.119.83.194, 2001:ba8:1f1:f271::2 Connecting to repo.mosquitto.org (repo.mosquitto.org)|85.119.83.194|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 51 [application/octet-stream] Saving to: ‘mosquitto-stretch.list’ mosquitto-stretch.list 100%[============================>] 51 --.-KB/s in 0s 2021-03-28 19:20:40 (1.30 MB/s) - ‘mosquitto-stretch.list’ saved [51/51] pi@raspberrypi://etc/apt/sources.list.d $ sudo apt-get update o Get:1 http://archive.raspberrypi.org/debian buster InRelease [32.9 kB] Get:2 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB] Get:3 https://repo.mosquitto.org/debian stretch InRelease [12.4 kB] Get:4 http://archive.raspberrypi.org/debian buster/main armhf Packages [372 kB] Get:5 http://raspbian.raspberrypi.org/raspbian buster/main armhf Packages [13.0 MB] Get:6 https://repo.mosquitto.org/debian stretch/main all Packages [4,893 B] Get:7 https://repo.mosquitto.org/debian stretch/main armhf Packages [40.8 kB] Get:8 http://raspbian.raspberrypi.org/raspbian buster/non-free armhf Packages [104 kB] Fetched 13.6 MB in 51s (266 kB/s) Reading package lists... Done pi@raspberrypi://etc/apt/sources.list.d $ sudo apt-cache search mosquitto libmosquittopp-dev - MQTT version 3.1 client C++ library, development files libmosquittopp1 - MQTT version 3.1/3.1.1 client C++ library mosquitto-dev - Development files for Mosquitto libmosquitto-dev - MQTT version 3.1/3.1.1/5.0 client library, development files libmosquitto1 - MQTT version 3.1/3.1.1/5.0 client library libmosquitto1-dbg - debugging symbols for libmosquitto binaries libmosquitto1-dbgsym - Debug symbols for libmosquitto1 libmosquittopp1-dbg - debugging symbols for libmosquittopp binaries libmosquittopp1-dbgsym - Debug symbols for libmosquittopp1 mosquitto - MQTT version 3.1/3.1.1/5.0 compatible message broker mosquitto-clients - Mosquitto command line MQTT clients mosquitto-clients-dbgsym - Debug symbols for mosquitto-clients mosquitto-dbg - debugging symbols for mosquitto binaries mosquitto-dbgsym - Debug symbols for mosquitto pi@raspberrypi://etc/apt/sources.list.d $ sudo apt-get install mosquitto mosquitto-clients Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libev4 libmosquitto1 libuv1 libwebsockets12 Suggested packages: apparmor The following NEW packages will be installed: libev4 libmosquitto1 libuv1 libwebsockets12 mosquitto mosquitto-clients 0 upgraded, 6 newly installed, 0 to remove and 103 not upgraded. Need to get 596 kB of archives. After this operation, 1,334 kB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://ftp.harukasan.org/raspbian/raspbian buster/main armhf libev4 armhf 1:4.25-1 [34.5 kB] Get:2 http://ftp.harukasan.org/raspbian/raspbian buster/main armhf libuv1 armhf 1.24.1-1 [96.7 kB] Get:3 https://repo.mosquitto.org/debian stretch/main armhf libmosquitto1 armhf 2.0.9-0mosquitto1~stretch1 [80.3 kB] Get:4 https://repo.mosquitto.org/debian stretch/main armhf libwebsockets12 armhf 2.4.2-0mosquitto1~stretch1 [92.2 kB] Get:5 https://repo.mosquitto.org/debian stretch/main armhf mosquitto armhf 2.0.9-0mosquitto1~stretch1 [188 kB] Get:6 https://repo.mosquitto.org/debian stretch/main armhf mosquitto-clients armhf 2.0.9-0mosquitto1~stretch1 [105 kB] Fetched 596 kB in 3s (199 kB/s) Selecting previously unselected package libev4:armhf. (Reading database ... 98440 files and directories currently installed.) Preparing to unpack .../0-libev4_1%3a4.25-1_armhf.deb ... Unpacking libev4:armhf (1:4.25-1) ... Selecting previously unselected package libmosquitto1:armhf. Preparing to unpack .../1-libmosquitto1_2.0.9-0mosquitto1~stretch1_armhf.deb ... Unpacking libmosquitto1:armhf (2.0.9-0mosquitto1~stretch1) ... Selecting previously unselected package libuv1:armhf. Preparing to unpack .../2-libuv1_1.24.1-1_armhf.deb ... Unpacking libuv1:armhf (1.24.1-1) ... Selecting previously unselected package libwebsockets12:armhf. Preparing to unpack .../3-libwebsockets12_2.4.2-0mosquitto1~stretch1_armhf.deb ... Unpacking libwebsockets12:armhf (2.4.2-0mosquitto1~stretch1) ... Selecting previously unselected package mosquitto. Preparing to unpack .../4-mosquitto_2.0.9-0mosquitto1~stretch1_armhf.deb ... Unpacking mosquitto (2.0.9-0mosquitto1~stretch1) ... Selecting previously unselected package mosquitto-clients. Preparing to unpack .../5-mosquitto-clients_2.0.9-0mosquitto1~stretch1_armhf.deb ... Unpacking mosquitto-clients (2.0.9-0mosquitto1~stretch1) ... Setting up libmosquitto1:armhf (2.0.9-0mosquitto1~stretch1) ... Setting up libev4:armhf (1:4.25-1) ... Setting up mosquitto-clients (2.0.9-0mosquitto1~stretch1) ... Setting up libuv1:armhf (1.24.1-1) ... Setting up libwebsockets12:armhf (2.4.2-0mosquitto1~stretch1) ... Setting up mosquitto (2.0.9-0mosquitto1~stretch1) ... Created symlink /etc/systemd/system/multi-user.target.wants/mosquitto.service → /lib/systemd/system/mosquitto.service. Processing triggers for systemd (241-7~deb10u5+rpi1) ... Processing triggers for man-db (2.8.5-2) ... Processing triggers for libc-bin (2.28-10+rpi1) ... pi@raspberrypi://etc/apt/sources.list.d $ sudo /etc/init.d/mosquitto start [ ok ] Starting mosquitto (via systemctl): mosquitto.service. pi@raspberrypi://etc/apt/sources.list.d $ mosquitto_sub -d -t hello/world Client (null) sending CONNECT Client (null) received CONNACK (0) Client (null) sending SUBSCRIBE (Mid: 1, Topic: hello/world, QoS: 0, Options: 0x00) Client (null) received SUBACK Subscribed (mid: 1): 0 Client (null) received PUBLISH (d0, q0, r0, m0, 'hello/world', ... (3 bytes)) Hi! Client (null) received PUBLISH (d0, q0, r0, m0, 'hello/world', ... (3 bytes)) Hi! Client (null) received PUBLISH (d0, q0, r0, m0, 'hello/world', ... (3 bytes)) Hi!

pi@raspberrypi:/etc/apt/sources.list.d $ mosquitto_pub -d -t hello/world -m "Hi!" Client (null) sending CONNECT Client (null) received CONNACK (0) Client (null) sending PUBLISH (d0, q0, r0, m1, 'hello/world', ... (3 bytes)) Client (null) sending DISCONNECT pi@raspberrypi:/etc/apt/sources.list.d $ mosquitto_pub -d -t hello/world -m "Hi!" Client (null) sending CONNECT Client (null) received CONNACK (0) Client (null) sending PUBLISH (d0, q0, r0, m1, 'hello/world', ... (3 bytes)) Client (null) sending DISCONNECT pi@raspberrypi:/etc/apt/sources.list.d $ mosquitto_pub -d -t hello/world -m "Hi!" Client (null) sending CONNECT Client (null) received CONNACK (0) Client (null) sending PUBLISH (d0, q0, r0, m1, 'hello/world', ... (3 bytes)) Client (null) sending DISCONNECT pi@raspberrypi:/etc/apt/sources.list.d $