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Tag Archives: Linux

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Technology Errors

postfix/smtpd[XXXXX]: fatal: unsupported dictionary type: mysql, Postfix maillog Errors

ErrorsBy alexJanuary 11, 20112 Comments

I recently updated a development server running CentOS and ran into various minor issues including one regarding postfix being compiled with MySQL support. The development server runs ISPConfig for various virtual hosts and after upgrading all the packages on the server which included Postfix I noticed errors in the maillog. Below I describe what the…

Technology Errors

WordPress database error Duplicate entry X for key yarpp_content for query UPDATE wp_posts SET, MySQL Error

ErrorsBy alexJanuary 10, 2011Leave a comment

Today I was adding a note to a WordPress article I had written a couple of days ago and it appeared to POST without issue after I clicked the Update button in the WordPress admin. I went to the front-end of the site to verify the new content formatted correctly and to my surprise it…

Technology Insights

Ubuntu Linux Apache Error: [notice] child pid XXXX exit signal Segmentation fault (11)

InsightsBy alexJanuary 9, 20111 Comment

I received the below error when troubleshooting an issue reported to me by a client regarding one of their intranet web sites not working properly. After some poking around I noticed that there were numerous segmentation faults being reported in the Apache error logs. I had previously set up the server to dump core files…

Information Security

finditnow.osa.pl Hack: Google Search Results Redirect To finditnow.osa.pl Instead Of Correct Site

SecurityBy alexJanuary 8, 201123 Comments

Late last night I realized that the traffic for Question-Defense.com was way down for the day and thought it was related to some recent updates I had performed on the site. I spent probably an hour or so last night verifying that nothing was out of the ordinary with the site and wasn’t able to…

Technology Errors

Failed loading /usr/sbin/ioncube_loader_lin_5.2.so: /usr/sbin/ioncube_loader_lin_5.2.so: undefined symbol: zend_error_noreturn

ErrorsBy alexJanuary 6, 2011Leave a comment

After upgrading PHP recently on a CentOS Linux server from PHP 5.2.X to PHP 5.3.X I ran into numerous minor issues. One of the issues was with a web application that requires the ionCube PHP Encoder libraries to function properly. After upgrading PHP I noticed some errors in the Apache error logs including the ionCube…

Technology Errors

Type: Warning (2) Description: date(): It is not safe to rely on the system’s timezone settings

ErrorsBy alexJanuary 5, 2011Leave a comment

I recently upgraded a CentOS Linux servers PHP from 5.2.X to 5.3.X and ran into a couple minor issues along the way. One of the issues was the fact that one of my applications was complaining about PHP’s date function by letting me know that it could not rely on the system’s timezone setting. Fixing…

Technology Insights

Htop Exclamation Mark Near Uptime In Output On Linux Server

InsightsBy alexJanuary 4, 20113 Comments

The other day while troubleshooting an issue on a server I noticed something I hadn’t ever noticed before which was an exclamation mark next to the uptime output from the htop command. After investigating and looking over the source I found that it is a bonus letting you know that your server has been up…

Technology Insights

How To Not Be Prompted For Every File When Using Linux FTP mget Command

InsightsBy alexJanuary 3, 2011Leave a comment

The other day I was attempting to use the Linux ftp command line application to obtain all of the files, sub directories, and files within the sub directories from an FTP site. The first issue I ran into was the issue of being prompted to confirm each and every file that is downloaded. Below I…

Technology Insights

Count How Many Files Are In A Directory And All Sub Directories On A Linux Server

InsightsBy alexJanuary 1, 20114 Comments

Counting files in Linux is fairly easy by simply listing the files using ls and then using the wc application. Both the ls application and the wc application are core Linux applications and should be installed by default on your server. One thing that I had forgotten how to do was how to count all…

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