How to create own server with MQTT and Node-RED. 3 month for 5$
1. Go to DigitalOcean and Sign up for a Digital Ocean account for simply enter your email and password.
2. After registration, login your DigitalOcean account and confirm your email address.
3. Update your billing profile and deposit a $5 via paypal or credit card to your Digital Ocean account, the totally $15 is going to become available and it can be bought a 3 months vps cloud hosting.
4. Now you can create Droplet/Server, click Create Droplet button in the upper right hand corner of the page.
5. Select Debian and size 5$/mo, choose suitable region.
6. Finally click create.
7. After ~55 seconds our new clean VPS ready for use. IP Address/Username/Password will be sent to your email address. After that we need some SSH client (Windows users - PuTTY) for further steps.
8. Connect with SSH Client to the Server
login as: root
email@example.com's password: [PASSWORD FROM EMAIL MESSAGE]
You are required to change your password immediately (root enforced)
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Tue Apr 26 11:12:43 2016 from 36-197-190-90.dyn.estpak.ee
Changing password for root.
(current) UNIX password: [PASSWORD FROM EMAIL MESSAGE]
Enter new UNIX password: [YOUR NEW STRONG PASSWORD]
Retype new UNIX password: [YOUR NEW STRONG PASSWORD]
9. Initial work done! Congratulations!
10. Mosquitto MQTT Broker setup:
root@debian-512mb-ams3-01:~# wget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key && apt-key add mosquitto-repo.gpg.key ... OK root@debian-512mb-ams3-01:~# cd /etc/apt/sources.list.d/ && wget http://repo.mosquitto.org/debian/mosquitto-jessie.list && cd root@debian-512mb-ams3-01:~# apt-get update && apt-get install mosquitto ... Do you want to continue? [Y/n] [Y] ... [Mosquitto installed!] root@debian-512mb-ams3-01:~# cd /etc/mosquitto && nano acl.conf [Paste this two lines]: pattern read # pattern write %u/# [Click Ctrl + O, Enter, Ctrl + X] root@debian-512mb-ams3-01:/etc/mosquitto# touch password.conf root@debian-512mb-ams3-01:/etc/mosquitto# cd conf.d/ root@debian-512mb-ams3-01:/etc/mosquitto/conf.d# nano my.conf [Paste this]: acl_file /etc/mosquitto/acl.conf allow_anonymous false password_file /etc/mosquitto/password.conf [Click Ctrl + O, Enter, Ctrl + X] [username - Your username for authentication on MQTT broker, password - for authentication on MQTT broker] root@debian-512mb-ams3-01:/etc/mosquitto/conf.d# cd && mosquitto_passwd -b password.conf [username] [password] root@debian-512mb-ams3-01:/etc/mosquitto# /etc/init.d/mosquitto restart && cd [Congratulations Mosquitto MQTT broker setup is done and it is ready for use]
[Example commands for publishing and subscribing on your MQTT broker]: [Subscribe to all topics on broker]: root@debian-512mb-ams3-01~:# mosquitto_sub -u [user] -P [password] -t '#' -v [Publishing some message (in another SSH connection), root of the topic must be your username]: root@debian-512mb-ams3-01~:# mosquitto_pub -t [user]/foo/bar -m 'foobar hello mqtt' -u [user] -P [password]
11. How to use with Wifi-IoT firmware:
Period: 10 Server: [Your DigitalOcean VPS IP Address same as SSH] Port: 1883 User: [Your MQTT broker username] Passw: [Your MQTT broker password] [After ~10 sec you can see in SSH client window where you started "subscribe all topics cmd" messages from your module]
12. Installing Node-RED visual tool for wiring the Internet of Things
curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash - apt-get install -y nodejs npm install -g firstname.lastname@example.org hash -r npm cache clean npm install -g --unsafe-perm node-red npm install -g pm2 cd /root pm2 start /usr/bin/node-red --node-args="--max-old-space-size=128" -- -v pm2 save pm2 startup [Node-RED setup done, open your browser http://[server ip address]:1880/]
Now you can start wiring your Internet of Things! Congratulations!