http://www.microdevsys.com/WordPress Microcomputers - Development - Systems Fri, 03 Jul 2009 05:07:34 +0000 http://backend.userland.com/rss092 en This is a fine one.  Anyone who uses WordPress may need to deal with this.  Unfortunately, despite using reCAPTCHA, Akismet still picks up tons of span on my blog.  So why am I getting spam comments when I have reCAPTCHA?  I really had no idea, but it turned out reCAPTCHA is marking those that ... http://www.microdevsys.com/WordPress/2009/07/01/wordpress-dealing-with-comment-and-user-registration-spam/ PROBLEM Another day brings another bug. This time it's with the Akonadi server failing or unable to start.  This error followed a recent update I've done on my Fedora box.  This is what greeted me each time I started up KDE: The QtSQL driver 'QMYSQL' is required by your current Akonadi server configuration. The ... http://www.microdevsys.com/WordPress/2009/03/29/linux-akonadi-the-qtsql-driver-qmysql-is-required-by-your-current-akonadi-server-configuration/ PROBLEM On Linux, you receive this error when trying to open up links from inside Thunderbird emails: Error showing url: Failed to execute child process "/usr/lib/firefox-3.0.5/firefox" (No such file or directory) SOLUTION The solution to this was fairly simple.  Just create the link to firefox binary in the folder it was looking in for ... http://www.microdevsys.com/WordPress/2009/03/17/thunderbird-firefox-linux-error-showing-url-failed-to-execute-child-process/ PROBLEM Just today an issue came up for me installing the google toolbar.  (This Google toolbar has been in Beta for a while now, which caught my attention and may or should catch yours: Beta releases are buggy.  That may be beside the point though since I don't care as long ... http://www.microdevsys.com/WordPress/2009/02/16/firefox-firefox-could-not-install-the-file-at-because-signing-could-not-be-verified/ Hashes are a certainly very important part of any language.  If you're not used to hashes, you may not see their potential at first.  However, having used them in several languages now, hashes always ended up reducing my code significantly especially when only complex solutions would only do otherwise.  However, ... http://www.microdevsys.com/WordPress/2009/02/06/creating-associative-or-hash-arrays-in-bash-using-sed-and-strings-without-the-use-of-arrays-looping-and-conditionals/ INTRODUCTION Most people today know or have some idea what a firewall is.  For those not too familiar with it, it's essentially a piece of software or hardware that sits between your computer and the internet (outside world) helping to prevent unauthorized access to your computer / workstation.  The firewall does ... http://www.microdevsys.com/WordPress/2009/01/14/apache-configuring-mod_security-modsecurity-for-apache-on-fedora/ Apache HTTPD is the most popular web server to date.  It's extensible and configurable to meet various needs both small and big.  Here we'll focus on extending it's reporting functionality by enabling full status capability to see more granularity in status reports.  As you probably know, the service on Red ... http://www.microdevsys.com/WordPress/2009/01/14/linux-enable-extended-httpd-status-reports-in-apache-through-service-fullstatus/ It's still a surprise to most just how much scanning and probing by either hackers or malicious software is going on on the web when they do find out.  I mean, do you really know how many times your workstation or home network get's hit by attempted intrusions and invasions?  I ... http://www.microdevsys.com/WordPress/2009/01/08/securing-your-website-apache-httpd-port-80-from-malicious-scans/ PROBLEM One of the first things that went wrong after upgrading to Fedora 10 was the UI screen was unreadable / undescernable.  The screen was entirely messed up and though the keyboard worked fine, it wasn't easy to discern the UI windows from the shades of red, yellow, blue, green etc ... http://www.microdevsys.com/WordPress/2008/12/05/fedora-10-ui-video-graphics-problems-upon-reboot-to-fedora-10-graphics-are-unreadable/ PROBLEM In Fedora 10, the root login was disabled into the GUI, giving you a unable to authenticate user message.  You may have noticed that you got a warning about this in Fedora 9 but it wasn't yet disabled then.  Not so in Fedora 10 so this might be something you ... http://www.microdevsys.com/WordPress/2008/12/05/fedora-10-unable-to-authenticate-user-and-reenabling-the-root-login-access/