The content of this article is about how to build an MQTT server under Ubuntu. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Preface

The blogger previously wrote an article "Building an MQTT Server under Windows". This time I will try to build an MQTT server under Ubuntu. In fact, after downloading the source code package, the rest is almost the same as that article.

Development environment

• Virtual machine Ubuntu 14.04.5 LTS

• Apache-Apollo-1.7.1

Preparation work

Since building Apollo environment variables requires JAVA_HOME, you need to install JDK at this time. You can refer to this article: "Ubuntu Installs JDK1.8.0 and Configure environment variables".

Download and decompression

First download Apache-Apollo, download page: http://www.apache.org/dyn/closer.cgi?path=activemq/activemq-apollo/1.7 .1/apache-apollo-1.7.1-unix-distro.tar.gz

Or enter the following command:

wget http://apache.fayea.com/activemq/activemq-apollo/1.7.1/apache-apollo-1.7.1-unix-distro.tar.gz

Decompress the source package:

tar -zxvf apache-apollo-1.7.1-unix-distro.tar.gz

Configuration

Enter the apache-apollo-1.7.1/bin directory

cd apache-apollo-1.7.1/bin/

Enter ./apollo to view the help

pi@raspberry-pi:~/Downloads/apache-apollo-1.7.1/bin$ ./apollo
usage: apollo [--log <log_level>] <command> [<args>]The most commonly used apollo commands are:
    create           creates a new broker instance
    disk-benchmark   Benchmarks your disk&#39;s speed
    help             Display help information    version          Displays the broker versionSee &#39;apollo help <command>&#39; for more information on a specific command.

Create a Broker example: /apollo create mybroker. MQTT servers are all called Broker.

pi@raspberry-pi:~/Downloads/apache-apollo-1.7.1/bin$ ./apollo create mybroker
Creating apollo instance at: mybroker
Generating ssl keystore...

You can now start the broker by executing:  

   "/home/***/Downloads/apache-apollo-1.7.1/bin/mybroker/bin/apollo-broker" run

Or you can setup the broker as system service and run it in the background:

   sudo ln -s "/home/***/Downloads/apache-apollo-1.7.1/bin/mybroker/bin/apollo-broker-service" /etc/init.d/
   /etc/init.d/apollo-broker-service start

There will be prompts later on how to start the server and create a service.

Start Apollo:

pi@raspberry-pi:~/Downloads/apache-apollo-1.7.1/bin$ ./mybroker/bin/apollo-broker run

After checking the print information, you can know the port to which MQTT is connected and the management page port.

Finish.

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