# TiddlyWiki5 on a Raspberry Pi

## The Problem

There seem a ton of ways to get TiddlyWiki running. I thought I would try the [Node.js version](https://github.com/Jermolene/TiddlyWiki5) on a Raspberry Pi. I wanted a set-up so I could leave the Pi online and access the TiddlyWiki on the rest of my home LAN. After following the instructions I got to the last line:

    tiddlywiki mynewwiki --listen
    

And I had TiddlyWiki running on the Pi, but couldn’t access on the rest of the LAN. Which I wasn’t expecting. It turned out there were two problems:

* Raspberry Pi comes with ports closed by default and
* The default version of TiddlyWiki node needs a specific flag

Always more difficult when you have two problems, as you solve one and when it doesn’t work, you think you’ve done something wrong; as opposed to realising you are half way there…

Solution follows.

## Enable the port on Raspberry Pi

At the terminal on the Pi:

    sudo apt install ufw
    sudo ufw allow ssh
    sudo ufw enable
    sudo ufw allow 8080
    

The second line is only required if you are using ssh to remote into your Pi, if you aren’t leave it out. Hint - if you are using a keyboard connected to your Pi, then you aren’t using ssh…

This installs [Uncomplicated Firewall](https://en.wikipedia.org/wiki/Uncomplicated_Firewall) onto your Pi, enables it and then allows the port that your TiddlyWiki will be listening on.

## Set the host flag when running TiddlyWiki5

First we have to [find the IP address of your Raspberry Pi](https://www.raspberrypi.org/documentation/remote-access/ip-address.md). Let’s assume you’ve done that and it is `192.168.0.12`. You now have to start the TiddlyWiki with the following command:

    tiddlywiki mynewwiki --listen host=192.168.0.12
    

You should now be able to access the TiddlyWiki using the address http://192.168.0.12:8080 from the rest of your network. You won’t be able to reach your TiddlyWiki from the external internet without further steps however (which suits my use case).