chris ramsay

Book Review: Django 1.0 Template Development

Chris Ramsay — Wed, 23 Sep 2009 09:49:54 +0000

If you have ever looked for a book on the subject of Django templates, then a five minute search on the web will soon tell you that they are far and few between. In fact, you’ll most likely find that Django templating usually has a treatment taking up no more than a couple of [...]

How the Web Sees Me

Chris Ramsay — Fri, 28 Aug 2009 13:46:59 +0000

Found an interesting article on the New Scientist web site yesterday about an MIT Musem exhibit called Metropath(ologies). In short the installation mines through data from a yahoo search and then builds a visual representation of that information as you wait. Here’s what it did for me: References http://www.newscientist.com/article/dn17694-find-out-how-the-web-sees-you.html?DCMP=OTC-rss&nsref=online-news http://personas.media.mit.edu/

Dynamically Populate /etc/hosts in an AWS AMI

Chris Ramsay — Wed, 26 Aug 2009 13:20:14 +0000

I came across a problem recently when setting up some Fedora 8 Linux machine instances (AMIs) on Amazon’s EC2 service regarding the setting of the machine’s /etc/hosts file. The main issue was to get the host file to correlate the machine’s local IP address with its (new) host name. Seeing as the IP address was [...]

Yum with Multiple Repos: yum-plugin-priorities on CentOS

Chris Ramsay — Fri, 14 Aug 2009 13:52:18 +0000

I am just putting a new development server together, using CentOS 5, and have come across the same headache as usual – managing standard and 3rd party rpm repositories and avoiding conflicts. I had forgotten about the excellent package yum-plugin-priorities, so here are some brief details on how to get started. Package Prioritisation The priorities plug-in [...]

Pie Charts with MySQL

Chris Ramsay — Thu, 13 Aug 2009 15:14:24 +0000

Hey… … want to know how to do this with MySQL? +----------------------------------------------------------------------+ | pie_chart [...]

Getting Weather Information with Python

Chris Ramsay — Tue, 11 Aug 2009 09:37:44 +0000

I was searching around this morning for a method of getting sunrise/sunset times into a set of python and bash scripts I am writing to control mains (240V) powered items. Imagine my joy therefore when a quick search on Google found me this: python-weather-api. It’s very simple to use as you shall see (I have [...]

Error #5100 on Tweetdeck Install in Linux

Chris Ramsay — Fri, 12 Jun 2009 08:42:35 +0000

I have finally got round to installing TweetDeck on one of my Linux Fedora 10 systems. Whilst trying to run the Adobe Air Application Installer in order to install TweetDeck I kept getting the famous ‘Error #5100‘ code, and the install process would then crash out. It seems that the #5100 error code points to [...]

404 Errors on New Posts in Wordpress

Chris Ramsay — Fri, 22 May 2009 11:50:23 +0000

Abstract This seems to be a problem that a few people are experiencing these days when posting with apache hosted wordpress. The symptoms (in my experience) are as follows: You write a post Either a) preview the post, or b) publish the post You get a ‘404′ error Tracking back to the ‘posts’ page gives you a link to the [...]

Writing Files with Django Under SELinux

Chris Ramsay — Fri, 22 May 2009 11:01:30 +0000

Abstract Playing about with Django’s excellent admin interface this morning I came across a little problem that I am sure others will find if using Django in an SELinux environment. This concerns the ability to upload files to a server – in my case using Apache, mod_wsgi (not in daemon mode), and Fedora 10 with SELinux [...]

Django Connection Problems on Remote MySQL Database

Chris Ramsay — Thu, 21 May 2009 14:15:47 +0000

Outline An interesting problem reared its head today regarding the inability of my Django setup to connect to a remote MySQL server. I have just migrated a Django site I am in the middle of working on from a single physical server to two virtual machines (VMs) running on a free copy of VMWare’s ESXi server; [...]