Author Archives: George Notaras

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About George Notaras

George Notaras is the editor of the G-Loaded Journal, a technical blog about Free and Open-Source Software. George, among other things, is an enthusiast self-taught GNU/Linux system administrator. He has created this web site to share the IT knowledge and experience he has gained over the years with other people. George primarily uses CentOS and Fedora. He has also developed some open-source software projects in his spare time.

How to integrate seaudit-report in logwatch

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Today, I revised my logwatch configuration and I decided to use an external parser for the SELinux audits. Logwatch includes such a parser (/usr/share/logwatch/scripts/services/audit script), but i tend to prefer seaudit-report, part of the setools-gui package in Fedora. Don’t let the package name confuse you, seaudit-report is a CLI tool.

Logwatch and Dovecot 1.x series in FC5

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Logwatch is the preferred tool in order to get summaries of the various service logs in Fedora Core 5. It needs very little customization, which mainly summarizes in overriding some of the log file locations. The only issue I have encountered so far is that it cannot parse the Dovecot log entries correctly.

Setting up Subversion and WebSVN

I always wanted to learn how to set up a version control system, especially SVN since everybody tend to move to that system. This howto will illustrate a way to install and configure Subversion and websvn on a Debian server with the following features: multiple repository Subversion access to the repositories via WebDAV (https, https)…

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How to recover lost files

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Linux com has published an intersting article about recovering data after wiping the hard drive. The author describes a successful attempt to recover his lost photographs and videos by using two GPL tools, TestDisk and PhotoRec. It’s good to know that there are free tools out there that can actually do this job right. I…

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GRUB background image

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Tweaking and customizing visuals in my system is not actually one of my topics of interest, but a tutorial about changing the GRUB boot screen’s background image has caught my attention. I don’t really like Fedora’s GRUB background – too many bubbles -, so the time has come to change it. The author writes in…

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WordPress Performance

Some months ago, I had a talk on IRC with someone who had created a useful plugin for WordPress, which shows performance related information. The plugin is called Performance Probe. Its output is saved in text files. I had written a quick python script, for demonstration purposes only, that uses performance probe’s output and RRDTool…

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SPEC File Directory

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I started packaging linux software for my Fedora machines from the time I was using Fedora Rawhide (development version) as my primary system. There is no repository that is synced with Rawhide, so there was a huge amount of software I had to compile (mostly multimedia related). This is a very time-consuming task, so I…

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MediaWiki Upgrade Procedure

I use MediaWiki as a personal note-taking, documentation and code snippet storage system. This was started as an experiment, but a wiki proved to be a decent solution for the above tasks. This is a small checklist, mainly for my own reference, to follow when upgrading MediaWiki.