How to Install EMQX on Alpine Linux Latest

In this tutorial, we will learn how to install EMQX, a scalable and distributed MQTT messaging broker, on Alpine Linux.

Prerequisites

Before we begin, make sure that you have the following prerequisites:

• A machine with Alpine Linux Latest installed
• Root access or a user with sudo privileges

Step 1: Update the System

Start by updating the system using the following command:

sudo apk update && sudo apk upgrade

Step 2: Install Dependencies

EMQX requires some dependencies to be installed on your system. Use the following command to install them:

sudo apk add bash coreutils curl findutils grep procps openssl-dev ncurses-dev unixodbc-dev

Step 3: Download and Extract EMQX

Download the EMQX package from the official website. You can use the following command to download it:

curl -O https://www.emqx.io/downloads/broker/v4.3.7/emqx-ubuntu20.04-v4.3.7.zip

Next, extract the package using the following command:

sudo unzip emqx-ubuntu20.04-v4.3.7.zip -d /opt

Step 4: Create a User for EMQX

Create a user named "emqx" to run the EMQX broker using the following command:

sudo adduser -D -H emqx

Step 5: Set Permissions and Ownership

Change the ownership and permissions of the EMQX files and directories using the following commands:

sudo chown -R emqx:emqx /opt/emqx-ubuntu20.04-v4.3.7
sudo chmod -R 755 /opt/emqx-ubuntu20.04-v4.3.7

Step 6: Configure EMQX

Now, let's configure EMQX. Go to the EMQX installation directory using the following command:

cd /opt/emqx-ubuntu20.04-v4.3.7/etc

Next, create a file named "emqx.conf" using the following command:

sudo nano emqx.conf

Update the following lines in the emqx.conf file:

node.name = emqx@127.0.0.1
node.process_limit = 2097152000
listeners.tcp.default = 1883

Save and close the file.

Step 7: Start EMQX

Start EMQX using the following command:

sudo /opt/emqx-ubuntu20.04-v4.3.7/bin/emqx start

You can check the status of EMQX using the following command:

sudo /opt/emqx-ubuntu20.04-v4.3.7/bin/emqx_ctl status

Congratulations! You have successfully installed and configured EMQX on Alpine Linux Latest.

Conclusion

EMQX is one of the most popular MQTT messaging brokers and can be easily installed on Alpine Linux using the above steps. It provides robust messaging capabilities and can handle large-scale IoT projects.

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