How to install Node RED on Ubuntu 16.04

This video is a tutorial on how to install Node RED on Ubuntu 16.04

Here is a link to get you started...

https://diyprojects.io/node-red-installation-configuration-ubuntu-16-04-lts/#.Ws4ZwNPwYad

Start by making sure your system is up to date....

sudo apt-get update
sudo apt-get upgrade

Once you are up to date, then install the prerequisites....

sudo apt-get install nodejs-legacy

Check to make sure it installed properly by checking the version...

node -v

Then install npm....

sudo apt-get install npm

and check version on it as well...

npm -v

Once all that is done, we are ready to install node-red....

sudo npm install -g --unsafe-perm node-red node-red-admin

After it is finished we need to allow the port that it uses....

sudo ufw allow 1880

Then you can kick off node-red just to see if it works

node-red

If all goes well, it should start spitting stuff out at the command prompt showing you that its running and you can access it via the web browser

http://IP.ADDRESS:1880

Now lets set it up as a service so that it will automatically start...

sudo vi /etc/systemd/system/node-red.service

[Unit]
Description=Node-RED
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/node-red-pi --max-old-space-size=128 -v
Restart=on-failure
KillSignal=SIGINT

WorkingDirectory=/home/adrian
User=adrian

[Install]
WantedBy=multi-user.target

Save that and enable it....

sudo systemctl daemon-reload
sudo systemctl enable node-red.service
sudo systemctl start node-red.service
sudo systemctl status node-red.service

If all went well, it show active in the status.....

Lastly, lets setup a username and password for a little added security
....

node-red-admin hash-pw

this will prompt you for a password and then create a hash for it, copy and save that hash

Now you want to edit config....

sudo vi ~/.node-red/settings.js

Search for adminAuth and uncomment it

change username to whatever you want to use and then delete existing password hash and paste in the one you created.

Once you have that section uncommented out, save it and restart node-red

sudo systemctl restart node-red.service

You should now be able to hit it in the web browser and it prompt you for a password.

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Тэги:

#node-red #smart_home #home_automation

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