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Virtual Users/Domains With Postfix, Courier, MySQL, SquirrelMail (CentOS 6.0 x86_64)

  • HowtoForge; By Falko Timme (Posted by falko on Sep 12, 2011 10:19 AM EDT)
  • Story Type: Tutorial; Groups: Linux
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 (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database that 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.

TLWIR 16: Hydrogen, Recording Music and Red Hat’s Day

  • Begin Linux; By Rex Djere (Posted by acrossad on Sep 12, 2011 9:09 AM EDT)
  • Story Type: Roundups; Groups: Linux
The featured stories for TLWIR edition 16 are as follows:

Hydrogen Brings Beats to GNU/Linux, Windows, Mac OSX, and Windows Brian’s Bedroom: Recording Music With a Linux Home Studio Red Hat’s Big Moving Day

Mindfire Solutions releases yet another DNN module called “MfsSliding”

Mindfire Solutions releases the DotNetNuke MfsSliding Module on 1st Sept, 2011. The MfsSliding DotNetNuke Module is developed in-house by Mindfire's DNN team.

Gallery: The 20 most significant events in Linux's 20-year history

You can argue about which specific date is Linux's official birthday. Heck, even Linus Torvalds thinks there are four different dates in 1991 that might deserve the honor of being the operating system's birthday. Be that as it may, Linux is twenty years so let's take a walk though time with Linux at some of its high, and low, points.

Streaming Netflix on the Galaxy Tab 10.1

The steps outlined in this post should help Galaxy Tab 10.1 users get Netflix streaming up and running without having to root their tablets.

XDC2011 Chicago Kicks Off Tomorrow

The 2011 X.Org Developers' Conference is set to begin tomorrow morning in Chicago, Illinois, United States. This three-day event will focus on what's coming down the pipe for the X.Org Server, Mesa, the Linux kernel DRM, and related areas of open-source graphics and input...

LXer Weekly Roundup for 11-Sept-2011

LXer Feature: 11-Sept-2011

Welcome to this week's collection of big stories from the LXer Newswire. Enjoy!

Does Linux Community Need Corruption?

  • Linux Blog from DarkDuck (Posted by darkduck on Sep 12, 2011 2:24 AM EDT)
  • Groups: Mandriva
There is no secret that Mandriva as a company was on a brink of bankruptcy not so long ago. It was good time for some external investors to take over the company. And there were such investors. Investment fund NGI bought a stake in Mandriva. Since then, things have changed in the company.

The Linux Foundation Falls In New Security Breach

There was the widely-reported Kernel.org security breach at the end of August, which resulted in the servers used for hosting the Linux kernel Git repository and other code to be forced off-line. Kernel.org has still not been restored, and now there's a related security breach at the Linux Foundation. Linux.com, the Linux Foundation itself, and related infrastructure are now "down for maintenance" this weekend...

Softpedia Linux Weekly, Issue 164

  • Softpedia; By Marius Nestor (Posted by hanuca on Sep 12, 2011 12:36 AM EDT)
  • Story Type: Roundups
Welcome to the 164th issue of Softpedia Linux Weekly!

The Linux 3.1 Kernel May Have A New Logo

Back in 2009 the Linux mascot, Tux, was temporarily replaced by Tuz. Tuz was a Tasmanian Devil character and the use of the logo was used to promote this endangered animal that's nearly extinct in Australia. Tuz replaced Tux in the Linux 2.6.29 kernel, but with Linux 2.6.30 there was the return of Tux. Now with the Linux 3.1 kernel that's a proposal (RFC) for a new Linux kernel logo...

Use Tor To Maintain Online Anonymity

WikiLeaks and the recent Egyptian political revolution are two great examples of what Anonymity software can do. Tor is a unique virtual tunnels network, which ensures online activities and location remains undetected. The Tor Project was awarded the Free Software Foundation’s for 2010 for being the most influential Social Benefit Project.

Always Check the Lowest Common Denominator

  • Thoughts on Technology; By Jeff Hoogland (Posted by Jeff91 on Sep 11, 2011 6:01 PM EDT)
  • Story Type: Editorial, Tutorial
I've been going through some rounds with Asus tech support/customer service the last couple of months. Two RMA's and a brand new unit later, I have resolved the issue. I must admit it is a slightly embarrassing fix. It is a true example of making a mountain out of a mole hill in the technology industry.

A New Security breach at Linux Foundation

The Linux Foundation has mailed users of the Linux.com and LinuxFoundation.org sites informing them that they discovered a security breach on 8 September which "may have compromised your username, password, email address and other information". The Foundation says that it believes the breach is connected to the security breach at kernel.org at the start of September.

Upgrade/Migrate VMware ESX/ESXi 4.x To ESXi 5.0

  • HowtoForge; By Kyle Hartigan (Posted by falko on Sep 11, 2011 4:06 PM EDT)
  • Story Type: Tutorial; Groups: Linux
This tutorial outlines how to upgrade VMware ESX/ESXi 4.x to ESXi 5.0. VMware has recently released its new VM hypervisor product, VMware ESXi 5.0. VMware is replacing its current ESX model with ESXi and the biggest change (between ESX and ESXi) is the architecture.

Xonotic first-person shooter video game 0.5 is Released

Today we can bring you some great news, a brand new release of Xonotic! It has been quite a while since the 0.1 preview version, but we have made immense progress over the last few months. In this blog post we’ll be showing off the latest improvements and tell you about the changes we made from the feedback we had after the initial release.

Google Summer of Code & Season of KDE

How awesome are the Google Summer of Code (GSoC) and Season of KDE (SoK) programs? According to Daniel Moctezuma, "All the work done by students in GSoC/SoK will have an impact in Free Software and the world." Daniel is one of the 2011 GSoC students. Lydia Pintscher is the main administrator of these programs for KDE. She made the following report. read more

Intel SNA With Unity, Unity 2D & GNOME Shell

After the benchmarks a few days back of Intel Sandy Bridge Acceleration On Non-SNB Hardware, Chris Wilson of Intel who has been responsible for much of the "Sandy Bridge New Acceleration" work requested more tests, but this time to see the effect that the compositing window manager has on this new acceleration architecture. As a result, here is some quick tests of Intel's Sandy Bridge graphics under the Unity, Unity 2D, and GNOME Shell desktops.

The Linux Setup - Dan Lynch, Linux Outlaws podcast

  • My Linux Rig; By Steven Ovadia (Posted by steveov on Sep 11, 2011 3:47 AM EDT)
  • Story Type: Interview
Dan Lynch of the Linux Outlaws podcast discusses best practices in distro-hopping and podcasting using desktop Linux.

String Matches in Regular Expressions

  • BashShell.net; By Mike Weber (Posted by aweber on Sep 11, 2011 2:50 AM EDT)
  • Story Type: Tutorial
Use parentheses to create the string matches you need in regular expressions. Parentheses allows you to use pipes for multiple matches.

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