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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier, so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.

Linus Torvalds announced the release of the RC4 for the Linux 3.9 kernel on Saturday evening, but its development still has not slowed down...

After 10 thousand downloads within a month for the beta of LXLE; many suggestions, tips and help came pouring in, it was simply amazing. After some investigating and clever work, its finally official. Did I miss anything? Probably. Is it flawless? Probably not. Is it a pretty damn nice full featured desktop OS that'll run good/great on any PC made it the past ten years? You bet, but hey, I'm biased.

How to locate and delete empty files and directories

It’s what science fiction dreams are made of: brightly colored, sphere-shaped robots that float above the ground, controlled by a tiny computer brain. But it isn't fiction: it’s the SPHERES satellite, and its brain is an Android smartphone.

Overview of the complications behind implementing natural sort order in C, introducing natsort

One of those desktop environments is Cinnamon, a new desktop environment built atop GNOME 3 technologies, so installing it will not take up too much disk space on the system, as most of the required components are already installed on the system.

Today on the interwebs I read an interview with a certain Free software project leader who stated that they were making: The world's premier and, in fact, only truly free software operating system. Ignoring that it doesn't actually hold up to scrutiny (there have been many "truly free software operating systems"), this brought to mind a spectacular feature of freedom: it abhors singularity. Indeed, monopoly positions are exceedingly rare in free systems.

The drm-intel-testing Git branch has been updated with new code that's ready for testing and eventual merging into the Linux 3.10 kernel...

Ola, guys. Let us review Sabayon 11. This time though, I will be deviating from my usual KDE experience and check whether this semi-monster Gentoo-based distro can deliver equally fun results when blessed with a less mainstream desktop environment. Anyhow, my past reviews with Sabayon have gone from stupendous to buggy to somewhat boring. My feeling is that the distribution has lost its passion and momentum, and that is now merely trying to make Gentoo more presentable, while wallowing in lost identity. That's what version 8 has taught me. So let us see what version 11 can do.

With yesterday's release of GCC 4.8.0, here are some new benchmarks. For this first roundabout are comparative benchmarks between GCC 4.7.2 and GCC 4.8.0 for an Intel Core i7 990X "Gulftown" system running Ubuntu Linux...

Looking out over the countryside beyond the office windows and I see, finally, the first fingerprints of spring. With the turning of the seasons will come growth and renewal, making Spring perhaps my favorite time of the year. When looking over the KDE landscape this week I was felt a similar Spring feeling in the air.

I almost feel tempted to start with a quote from the Wheel of Time series, something like there are no beginnings and ends, but it was a beginning. Indeed, the guys behind the elementary OS have created their own version of what the next, future desktop for Linux ought to be. There is not much detail about Pantheon going about the Internet, and it does not seem to have drawn much attention since being launched. Which does not bode well for this young project. Still, I decided to see whether this lightweight and modular environment written in Vala and GTK+ can bring fresh merit to the Linux world. Let us see indeed.

Keeping a diary of your daily life is an activity that is held dear by many people. It represents a good way of storing personal or business information on a day-to-day-basis. Keep track of notes and thoughts through the day, organize and secure memories, ideas, business transactions, emails, accounts, future plans, contact lists, and even secret information.

It seems suing for trademark infringement is really a prevalent game in the business world. Oko International, the maker of a wide range of watches and timepieces sold under the brand name 'Android,' is suing the giant Google for trademark infringement.

Aside from the Urban Terror game update, there's also a new version of Red Eclipse this weekend...

5 handy tips with GIMP everybody should know

UbuntuKylin is an official Ubuntu subproject whose goal is to create a variant of Ubuntu that is more suitable for Chinese users using the Simplified Chinese writing system. The project provides a delicate, thoughtful and fully customised Chinese user experience out-of-the-box by providing a desktop user interface localised into Simplified Chinese and with software generally preferred by many Chinese users.

It is almost weekend and you want to try another Linux distribution? We’ve got you covered! The Linux ecosystem is a varied one with hundreds of distributions, each having their unique set of abilities and limitations. Some compile the source on your system, others let you choose between init systems, try to be as small as possible, experiment with security solutions and more. There is also variation in governance: some are strongly top-down organized, others decide in a meritocratic way or vote. Some have strong corporate sponsor pushing decisions – others don’t. Some care to collaborate, others don’t value the wider ecosystem much and go their own way.

Programmers love to optimize their code and their tools. Why then is there so much slow and bloated code and so many arcane and fragile tool chains? Because programmers aren’t always optimizing for efficiency. There are many things programmers can optimize for, and a team can quickly end up working at cross purposes when everyone is optimizing for something different.