Host your own blog from a $25 Raspberry Pi computer

Now everybody knows it's way smarter to just pay someone to host your website. But what not everybody knows is that it's way more punk rock to Do it Yourself. So what follows are some tips / pointers / instructions for setting  up your own home webserver (which will burn a scant 2 watts) using all free, open source software, a Raspberry Pi, and your home internet connection.

The emphasis here is on lightweight, which fits well with the Raspberry Pi. Sure, you can setup a blog with wordpress or Django, and they will run (I've tried it, at least with Django). But they probably will run rather slowly. Why? The rPi doesn't have a lot of memory or processing power, and a database / front end model requires a decent amount of that. If your site / blog ever gets much traffic, it'll likely buckle under the load. The answer? Just serve up plain old static HTML pages. It's fast, secure, simple, and easy on the rPi's limited resources. But rather than painstakingly handcodeing each new blog entry, you can use a static html generator like Pelican to make it easy.Host your own blog from a $25 Raspberry Pi computer

Here are the hardware ingredients:
1) A Raspberry Pi (with power supply and SD card)
2) A computer with an SD card reader (or a USB stick SD card reader)
3) A simple home network, shared by your computer and the rPI. If you have a router and an internet connection, you're golden. The rPi will need to be connected via ethernet, so you might need a cable.

Here are the main software ingredients:
1) The standard Raspberry Pi Linux “Raspbian” operating system, based on Debian.
2) Lighttpd, a lightweight web server, that's pretty easy to setup.
3) Pelican – a static html blog generator (you can also use something like Octopad, if you prefer.)
4) PageKite – a “localhost tunneling solution,” which I found to be much better than dynamic DNS.

Human requirements:
1) Some linux know how, or
2) A friend with some linux know how, and / or
3) Know how to use forums to ask for help, and
4) Patience

This instructable won't be comprehensive, but it will point you to the resources / places to get help if you need it.

Step 1: Setup your rPi

First you need to setup the SD card on your rPi. On this little computer, the SD card is your hard drive. It needs an operating system so you can boot and run your rPI, and tell it what software to run to serve your site.

Check out the getting started guide here:

You'll be installing the latest “Raspbian” SD card image from here:

Follow the instructions to download the image and install it on your SD card.

Now, if you have a monitor, keyboard, and mouse that you can use to run your rPi, you're set. If you don't, it's ok – you can still set things up from the command line in what's called “headless” mode. To do that, you'll need to “SSH” into your rPi through the network connection shared by it and your computer. Here's a great tutorial that explain how to do that:

Do run the Pi setup script when prompted.

You'll want to change the default password! If you leave the username as ‘pi' and the password as ‘raspberry,' you will be pwned. Change it now to something strong – web servers are exposed to the big bad internets, so you'll want to be security conscious.

Step 2: Setup a static IP, then install a webserver

Now you'll want your rPi to have a static IP address on your local network. Most networks use DHCP by default. That's a system where the router gives out an available IP address when asked by each computer. It's easier to setup your rPi to ask for the same IP every time. Here's another good tutorial from penguin tutor on how to set that up:

Once you have a static IP, install the webserver!

It's very easy to install software on Debian (and Raspbian is just Debian optimized for the pi), because pretty much all the software you need is available in the Debian software repositories.  So just open a terminal and type:

sudo apt-get install lighttpd

Lighttpd (pronounced “lighty”) is a lightweight open source web server. Its job is to listen for requests from the internet on the http port – port 80. When it receives a request, it sends back the requested webpage data.

Once lighttpd is installed, you should be able to see a startup web page by typing your rPi's IP address into your browser's address bar. For example, if you chose, you just type that into your address bar, and lighttpd's default webpage will come up. (If it doesn't at first, try rebooting your rPi: sudo reboot )Host your own blog from a $25 Raspberry Pi computer schematich

Step 3: Pelican, a static html blog generator

Pelican is an awesome static html makin' blog engine. What does that mean?
It means that once you set it up, you write blog posts in your favorite text editor, place them in a special folder, and then run Pelican. It then converts your text files into a simple HTML website on your computer. You then copy those files to your rPi server, and your viewers will be able to navigate through your posts. You can even choose different themes.

Pelican setup is described here:

You'll need to first get python  – the programming language in which Pelican is written and on which it runs – installed on your computer. The good news is that there are good instructions on how to do that on the webs. It might already be on there!

The simple theme that comes with Pelican is pretty good, but there are a few others to choose from (see links on the site). You can also roll your own if you have some html / css chops.

Once you've generated your blog, you'll want to copy it to your rPI's /var/www directory – that's the directory where Lighttpd looks for html pages to serve when it gets http requests. Pelican has lots of handy utilities to make that easy, including synching through drop box, or copying the files via ssh.

Step 4: Setup PageKite

Setup PageKite

When I first setup my rPi server, I tried using Dynamic Dns (through to make it work. It didn't. The reason was that my ISP, RCN cable, blocks all incoming requests on the http port – port 80. I thought that since No-IP has a service that will redirect those requests to another port of my choice (I used 8080), that'd I'd be ok.

But this had the very bad effect of making the non-standard port # I chose appear in my URLs. So when visiting my site, instead of seeing:

in the address bar, the viewer would see:

That's enough to freak out most parents, grandmothers, and folks who are liable to get freaked out by the webs and viruses and hackery. I could avoid this by paying my ISP $20 more a month for a static IP, but that seems like a lot to hose a simple blog. I like them, for the most part, but not that much.

Luckily, a friend told me about PageKite. PageKite allows you to install their app – written in Python – on your webserver. It keeps in contact with PageKite's front end servers. So when a request to view your website comes in, it gets forwarded from the PageKite servers, through a “tunnel” to your rPi's localhost port 80. So there's no need to use Dynamic DNS to keep track of what IP address your ISP has assigned you today, or hop around the blocks they may or may not have installed.

PageKite is pay what you want, and the suggested rates are very low (~$3 / month).

Step 5: W00t! Homegrown Webs…

W00t! Homegrown Webs...

Now send your url to all your pals, and fill the internets with your homegrown, homeserved wisdom. 🙂

Next steps?

* Setup your rPi to use autoupdate. That means that it will install security patches / updates automagically, to ensure that any security holes get plugged up quick. Here's a great tutorial:

* Make your rPi run on solar power, so you can serve solar powered content round the world. (You only need around 2 watts!) Then make an instructable!



Source: Host your own blog from a $25 Raspberry Pi computer

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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