1.安裝工具

yum install gcc gcc-c++

yum install openssl-devel

yum install c-ares-devel

yum install libuuid-devel

yum install wget

yum install cmake

yum install build-essential python quilt devscripts python-setuptools python3 

yum install libssl-dev libc-ares-dev uuid-dev daemon openssl-devel

2.下載並編譯安裝libwebsockets

wget https://libwebsockets.org/git/libwebsockets/snapshot/libwebsockets-2.0.2.tar.gz

tar zxvf libwebsockets-2.0.2.tar.gz

cd libwebsockets-2.0.2

mkdir build

cd build

cmake .. -DLIB_SUFFIX=64

make install

ldconfig

3.修正連結庫

vim /etc/ld.so.conf.d/liblocal.conf

/usr/local/lib64

/usr/local/lib

ldconfig

4.下載並編譯安裝mosquitto

wget http://mosquitto.org/files/source/mosquitto-1.4.9.tar.gz

tar -xzvf mosquitto-1.4.9.tar.gz

cd mosquitto-1.4.9

更改configure.mk中

WITH_WEBSOCKETS:=no

為

WITH_WEBSOCKETS:=yes

make

make install

cp mosquitto.conf /etc/mosquitto

5.修改mosquitto.conf檔案

在/etc/mosquitto/mosquitto.conf的Default Listener一節新增如下幾行：

6.執行mosquitto

mosquitto -c /etc/mosquitto/mosquitto.conf

mosquitto -c /etc/mosquitto/mosquitto.conf -v

或mosquitto -c /etc/mosquitto/mosquitto.conf -d

7.本機測試mosquitto

在伺服器上新建兩個shell，A和B

A 訂閱主題：

mosquitto_sub -t topicA

B 推送訊息：

mosquitto_pub -t topicA -h localhost -m "topicA test"

PS:

MQTT監控軟體連結