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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 (Courier-POP3, Courier-IMAP), 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. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.
Red Herring has announced that Openbravo has been named as a member of Red Herring 100 Europe, an award given to the top 100 private technology companies based in the EMEA (Europe, Middle East and Africa) region each year.
The beta release of Ubuntu Feisty, the latest release of the popular Linux operating system, has been delayed for a day because of kernel issues.
From a manufacturing perspective, putting Linux in consumer products can help in three major areas: cost efficiency, flexibility and time to market. Popular consumer items married to Linux include cell phones, TiVo, DVRs, HD televisions, set-top boxes, high-end printers and automobiles. However, Linux is far from a perfect solution for every product.
High Mobley's article The Business Case for Open Source Software
is not the usual "OSS saves money" argument. The article addresses issues like proprietary software vendors going out of business, being bought out, or even just dropping support for some of their products and leaving their customers out in the cold...
Tectonic decides to check out what all the hype is about, and takes popular content management system Drupal out for a road test.
In How to Handle Network Growing Pains
, Cynthia Kuo outlines the presentation "Admin++, What Root Never Told You", which Ron Gorodetzky, Senior Systems Administrator for Digg, gave at the Southern California Linux Expo (SCALE) in February. It includes a link to Gorodetzky's presentation slides.
High Mobley's article Open Source Network Monitoring at SCALE 5x
he talks about the three big Open Source networking monitoring systems who had booths at last month's Southern California Linux Expo - Zenoss, OpenNMS, and GroundWork. The article gives an overview of each project and it's associated company's business model, as well as a short run down of a few of the interesting features of each project.
Our product activation servers perform a more rigorous analysis of the keys that are sent up for activation than the local key logic does. Producing keys that will ultimately activate is less likely than just hitting upon one that will pass the local logic.
Josh Kuo's article Linux File System Security Options
outlines various software-based methods to encrypt your Linux filesystems. He addresses loop-AES, FUSE, eCryptfs, steganographic filesystems, sshfs, and ReiserFSv4.
I just wrapped up a productive dialog with an individual who heads a company tasked with video distribution. During the dialogue, I found myself questioning the wisdom of GPL in all things. That’s not because I don't believe that the GPL is a solid open source license mind you, but rather how it can encourage creation while inhibiting growth at the same time.
Digium's Linux-based, GPL-licensed "software appliance" marks a major step in the development of the open-source IP PBX (Internet protocol private branch exchange), according to a detailed, informative review. The "AsteriskNow" appliance simplifies installation, configuration, and maintenance, and helps enterprises transition from testing to deployment, the review suggests.
LXer Feature: 22-Mar-2007
I install, begin to configure and unknowingly make a mistake in the second installment of my adventures in Debian-land.
Well, so far I've published a dozen articles about KDE 4 over the last 12 weeks. A lot of content has been covered, but there is rapid progress still being made on those topics. So, in no particular order, this week's issue deals with addenda and updates to the last 12 articles, so that you can see some of the rapid progress happening as KDE races forward. Read on for details.
Study after study tells us that the biggest threat to business networks is human error, and those stats are never a surprise to IT professionals. Despite policies and training, users continue to respond to spam. They click on links and open executables from unknown senders. They lose files. Heck, they lose laptops. Users, many IT managers say, are just hopeless.
Dell has launched a new low-cost desktop PC aimed at grabbing market share in China. Instead of Microsoft's new Windows Vista OS, it runs Windows XP. Another PC the company is offering at a special price runs Linux.
You are on holiday in Ghana's capital, Accra. Walking down the street, you wonder what that tall building with the clock tower is to your left. On the gatepost, you see a little black and white drawing - a calling card from one of Ghana's leading software developers, Guido Sohne.
This article discusses some very common Ajax coding practices that can hurt you, and will want to avoid
Linux fans listen up. Next month TabletKiosk is debuting the TufTab, one of the first UMPCs that'll let you ditch Windows for Linux. The 2-lb UMPC will be semi-rugged (thanks to a rubberized case) and for all you security freaks, it'll come with a built-in fingerprint reader. There's no WWAN, but you do get Wi-Fi, Bluetooth, and a decent 7-inch display. With Windows XP it'll go for $1,699. With Linux it'll go for $1,624, which is still very steep, so you gotta be a hardcore Linux fanboy for this one.
3Dconnexion has released beta Linux drives for its SpaceNavigator control device, enabling users of Maya 8 and 8.5 on that platform to manipulate objects in 3D.
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