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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Articles tagged with: WordPress

Selecting CMS Software

February 21, 2013 – 11:45 pm
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If you are looking for an open-source content management system, your choices are likely to boil down to these three: Joomla!, WordPress, and Drupal. Professional CMS developers tend to disregard WordPress as a purely blogging …

WordPress 3.0.4 – the Return of the Custom Field Bug

January 31, 2011 – 4:20 pm

After upgrading to the latest stable WordPress version 3.0.4 I ran into an old issue I haven’t see for almost two years. Clicking “Publish” or “Save Draft” when writing a new post seems to remove some custom fields. If you re-add the custom field and click “Update”, the entry stays. But it goes away again once you use the “Save Draft” or “Publish”.

WordPress 3.0 and 3.0.1 Upgrade Bug

August 23, 2010 – 4:01 pm
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Ignoring my own advice to never install latest WordPress releases as soon as they come out, I upgraded my installation to WP 3.0 and shortly after to 3.0.1. Doing so broke a few things. Automatic plugin updates or installs seem to hang and so does automatic WordPress upgrade. Let me illustrate. According to this screenshot, I need to update one of the plugins.

WordPress File Upload Size Limit

December 25, 2009 – 9:24 pm
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By default, WordPress will not allow you to upload a file larger than 2Mb. This limit is not set by WordPress itself, but by detaul PHP configuration. This configuration file is usually /etc/php.ini, but normally …

Remove Duplicate Posts in WordPress

December 5, 2009 – 10:28 pm
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Below is the SQL script that will attempt to identify and remove duplicate posts in your WordPress database. This script can be useful for autoblogging. If you use plugins like WP-o-Matic to pull full-text RSS …

WordPress Backup Script

October 23, 2009 – 1:04 pm
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Whenever a new WordPress version comes out, I get an itch to upgrade as quickly as possible. Generally, this is not a good idea, unless you enjoy working out new software bugs and dealing with …

Protected: WordPress Usage Example

July 16, 2009 – 3:56 pm

There is no excerpt because this is a protected post.

WordPress Directory Listing Risk

June 11, 2009 – 11:36 pm
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A large number of WordPress directories do not have an index file. This is particularly dangerous in case of the plugins directory. If your server allows directory listings, a potential attacker may see which plugins …

Creating print.css for WordPress

May 24, 2008 – 6:35 pm
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Many WordPress theme designers choose to cut some corners with their creations. One of the more important things they skip over is print.css – the stylesheet that controls your blog’s appearance when you print it. …

Improving WordPress Performance

May 4, 2008 – 12:39 pm
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WordPress is a great blogging engine and decent CMS. Unfortunately, most available WordPress themes- even those claiming to be “minimalist” – are bloated and slow to load. Heavy CSS stylesheets, multiple Java scripts, numerous graphics …