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This blog is about the development of my various Linux based web sites, starting with raspberrywebserver.com and Pyplate Python SQlite CMS.
Old

Raspberry Pi Server Cluster Performance

Posted 08-15-2013 at 04:36 PM by Pyplate

I've done some testing on my cluster. 4 Pies is definitely better than one, there's a big difference in performance between a single Pi and a 4 node cluster. You can read more detail here: server cluster testing.

As you'd expect, a cluster of four Raspberry Pies isn't that powerful, but setting it up has been interesting. It can handle a surprising amount of traffic - I got 2800 visits from Reddit yesterday. The minimum page load time is over a second (as tested on my local network),...
LQ Newbie
Posted in Uncategorized
Views 1026 Comments 0 Pyplate is offline
Old

Load balanced cluster with Raspberry Pies

Posted 08-13-2013 at 03:19 PM by Pyplate

I finally got around to doing it. I've set up a 4 node Raspberry Pi cluster. It's not that powerful, but setting it up has been good practice.

I used an old PC running Lubuntu as a load balancer. I just installed Apache and I'm using Apache's balancer module. I installed Lubuntu because I'm using a very old PC that has 512MB of RAM. The PC is more powerful than the cluster, but if I just used the PC as a server, I wouldn't have learned anything about load balancing.
...
LQ Newbie
Posted in Uncategorized
Views 419 Comments 0 Pyplate is offline
Old

Articles about CGI scripting in Python

Posted 07-29-2013 at 09:13 PM by Pyplate

Since I changed my domain name I've been seeing a lot more traffic on my site. I've been doing some link building and updating old links.

I've also written articles about using Google charts in python scripts and using forms with Python CGI scripts.

My Odroid has arrived. It's got a quad core ARM cortex A9 running at 1.7GHz. Now I just need to get my hands on a power supply that I can use with it.
LQ Newbie
Posted in Uncategorized
Views 471 Comments 0 Pyplate is offline
Old

I've changed the domain name of my site

Posted 07-15-2013 at 05:53 AM by Pyplate

I was using a free domain name supplied by noip.com, the dynamic DNS provider that I use. This looked unprofessional, and it was hurting my search engine ranking.

I bought a new domain name, and instead of using a dynamic DNS service, I just pointed it to my external IP. My ISP is known for hardly ever changing people's IP address. It's a risk to not use a dynamic DNS service, but I think it's a small risk.

My site currently uses a CMS that I've written myself....
LQ Newbie
Posted in Uncategorized
Views 425 Comments 0 Pyplate is offline
Old

I've written some more articles, and made a lot of progress on my CMS

Posted 07-08-2013 at 02:34 PM by Pyplate

I've added more pages to my Raspberry Pi web site. I've added a contact page and an article about building a remote control tank. The tank has Raspberry Pi with Apache running on it, and it connects to my home network using wifi.

I've also been working on the back end of my CMS. I've gotten to a point where I can add pages, change content in the head, banner and footer sections using the back end. There's a page where I can edit CSS and I've also added a script to do back ups....
LQ Newbie
Posted in Uncategorized
Views 364 Comments 0 Pyplate is offline

  



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