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When it comes to tweaking photos, Levels is the most important weapon in digiKam’s arsenal. This tool lets you adjust brightness and contrast by specifying the location of complete black, complete white, and midtones in a histogram, which makes it a perfect tool for fixing under- and overexposed photos as well as improving the overall tonal range of a photo.

Announced by the openSUSE developers a little over two years ago, the openSUSE 11.1 operating system has reached end of life (EOL) on January 13th, 2011.

This tutorial will describe how to install and configure MyDNS-NG and MyDNSConfig 3 on Debian Squeeze. MyDNS-NG is a DNS server that uses a MySQL database as backend instead of configuration files. The advantage is that MyDNS simply reads the records from the database, and it does not have to be restarted/reloaded when DNS records change or zones are created/edited/deleted. A secondary nameserver can be easily set up by installing a second instance of MyDNS that accesses the same database or, to be more redundant, uses the MySQL master / slave replication features to replicate the data to the secondary nameserver.

The use of ACLs is fairly simple, a basic understanding of Linux file and directory permissions is required. Permissions may be set for any number of users or groups individually.

While it was just a couple weeks ago that a VIA Technologies representative had admitted to me their Linux / open-source strategy is basically dead (and they had failed in delivering their Linux goals for 2010), it seems that today the first Chrome 9 (VIA VX900 IGP) documentation has been released. It appears to originate from VIA Technologies but this public release is coming to the community through the OpenChrome driver project. This documentation covers the 2D, 3D, and video engines for these integrated graphics processors.

Instant messaging is typically regarded as a social tool, but it also plays an increasingly important role in the workplace as a medium for professional communication. One of the most important technologies that has helped to advance instant messaging as a business tool is the Extensible Messaging and Presence Protocol (XMPP), an XML-based open standard that fosters interoperability between real-time messaging platforms.

The first release candidate for the upcoming Linux 2.6.38 kernel is now out and it could further improve Linux performance. With 2.6.37, the Big Kernel Lock (BKL) was removed, but apparently there is at least one more big global lock that needed to come out. In 2.6.38 there is a new RCU (Read/Copy/Update)-based path name lookup. The new RCU lookup could end up improving Linux kernel performance by as much as 50 percent.

Mandriva has announced on January 18th a new OEM distribution, designed for Intel ClassMate PC and several others educational netbooks, which was integrated with Mandriva-Mythware Educational Solution educational application.

This has been an interesting year for Ubuntu with two on-schedule releases. Ubuntu community leader, Ubuntu Developer and general a good egg Dave Walker takes a look back at the last 12 months of Ubuntu…

LOS ANGELES -- Canonical Chief Executive Officer Jane Silber has been added as a keynote speaker, with Leigh Honeywell, for the Southern California Linux Expo SCALE 9X in February.

December saw the release of the latest major update to VirtualBox, Oracle's desktop visualization tool. In its previous incarnation, it was voted as our readers' favorite virtualizer, so let's look at what 4.0 has to offer.

Canonical founder Mark Shuttleworth announced that the next version of Ubuntu Linux will adopt Nokia's Qt cross-platform development framework. Due in April, Ubuntu 11.04 (& Natty Narwhal& ) will offer Qt libraries as an alternative development environment to Gtk+, further extricating Ubuntu from its traditional embrace of all things GNOME.

Exactly 14 days after Linux version 2.6.37 was released, Linus Torvalds has published the first beta version of kernel 2.6.38, which is expected to be completed at the end of March or beginning of April. With this release, the merge window for the development cycle has come to an end and Torvalds has now integrated most of the changes for this version into the main development branch's source code management system.

Debian 6.0 Squeeze, will be released on February 5th or 6th, to be ready for that event. Here the installation screenshots, using the graphical interface of the CD1. Also in the article, some security tips.

This article describes in some detail how to install Samhain, the host based intrusion detection system. I am not going to ramble on about what host based intrusion detection is or why to use it, as there are plenty of articles already covering those subjects. This article is just to show you how to get Samhain up and running in a client / server configuration with a couple bells and whistles thrown in for fun.

....Following on from above, we now have a target date of the weekend of 5th and 6th February for the release. We have checked with core teams, and this seems to be acceptable for everyone....

LibreOffice is already my default office suite in Ubuntu though there is not much of a difference between OpenOffice and LibreOffice for now. But things are moving fast and LibreOffice is going to have its first official release soon. Meanwhile, you might want to remove all traces of OpenOffice and install LibreOffice in Ubuntu for a change. Trust me, it feels good.

Virtualbox 4.0.2 is released, this is an update release that comes with some bug fix and improvements.

On January 18th, Oracle updated its popular and powerful VirtualBox virtualization software to version 4.0.2. This new maintenance release brings lots of stability improvements and many bugfixes over previous versions.

Google's Android mobile phone operating system was one of the winners of 2010, booming in popularity to become the second most popular smartphone OS by the end of the year. Now in 2011 it looks that Google is setting its sights firmly on the tablet market.