This documentation describes how to install mosquitto (Open Source MQTT Broker) by compiling source code on Ubuntu.
Typically, you can install mosquitto by using package management apt-get install mosquitto command.

Preparation

Install gcc, make, g++, libssl-dev.

$ sudo apt-get install gcc make g++ libssl-dev

Create mosquitto user and group.

$ sudo groupadd mosquitto
$ sudo useradd -g mosuqitto mosquiotto

Compile mosquitto

Download souce code from here. http://mosquitto.org/download/

Extract tar ball and change directory.

$ tar xvzf mosquitto-1.2.3.tar.gz
$ cd mosquitto-1.2.3

Complile mosquitto.

$ make
$ sudo make install

Here are default intall path.

path	files
/usr/local/sbin	mosquiotto server
/etc/mosquitto	configuration
/usr/local/bin	utility command

Sample configuration file will be installed in /etc/mosquitto/mosquitto.conf.example. Change file name to be official.

$ mv /etc/mosquitto/mosquitto.conf.example /etc/mosquitto/mosquitto.conf

##Start mosquitto

Boot mosquitto by following command.

$ sudo -c mosquitto /usr/local/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf

If you want to start mosquitto in background, please add -d option in order to start it as daemon.

Upstart

Upstart is available on Ubuntu by default. Add mosquitto.conf to /etc/init/.

/etc/init/mosquitto.conf

description “Mosquitto MQTT broker”
author “Roger Light <roger@atchoo.org>”

start on net-device-up

respawn

exec /usr/local/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf

Register the script.

$ sudo initctl reload-configuration
$ sudo initctl list | grep mosquitto

Please make sure mosquitto is registered.

You can start/stop mosquitto as follows:

$ sudo initctl (start|stop) mosquitto

If the configuration is registerd correctly, mosquitto will be started automecally as of next boot.