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"This tutorial shows how to implement SPF in a Postfix 2.x installation. The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery. There are lots of SPF extensions and patches available for Postfix, but most require that you recompile Postfix. Therefore we will install the postfix-policyd-spf-perl package from openspf.org which is a Perl package and can be implemented in existing Postfix installations (no Postfix compilation required)."
The first day of the annual Free and Open Source Developers' European Meeting in Brusssels was very busy for the KDE team: attending talks by other talented hackers, hosting KDE related talks in the developer room, representing KDE at the booth, mingling with other hackers, bug hunting and work on new features. KDE had a strong presence this year, at least twice as many KDE people attended including a very strong showing from the Amarok developers. Speakers in the KDE developer room included Jos van den Oever, Stephan Laurient, Flavio and Sander Koning.
Considering that Eric S Raymond is a board member of Freespire, and considering his well known posture regarding allowing proprietary codecs to be freely used by default in Linux, this article ponders why he did not choose to embrace Freespire or Linspire and chose Ubuntu instead?
It's well known that the Jmicron JMB363 SATA,PATA controller is not supported by RHEL AS 4.4 at this time, what causes attempts to install RHEL 4.4 (CentOS 4.4) from IDE CDROM to fail. Work around for mentioned issue follows below.
RiscPkg author Graham Shaw has written and published a new book for RISC OS programmers. His latest dead tree tome, Using UnixLib, aims to introduce coders to the GCCSDK library that provides the basic C function set as well as, effectively, a UNIX-compatibility layer.
SQL Hacks works well because of the fact that it does what it says. It hacks. It gets in to SQL and shows you how to do things that you would have to, in many cases, search for hours to find out how to accomplish. This is not for the beginner, rather these books target more experienced users.
This tutorial shows how to implement SPF (Sender Policy Framework) in a Postfix 2.x installation. The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery. There are lots of SPF extensions and patches available for Postfix, but most require that you recompile Postfix. Therefore we will install the postfix-policyd-spf-perl package from openspf.org which is a Perl package and can be implemented in existing Postfix installations (no Postfix compilation required).
Sudo is a simple program which allows the administrator to give regular users extra permissions to execute the commands they would normally not be allowed to use. In order to use sudo you need to configure it properly. This FAQ is supposed to help you with this task.
Syxoo Bizniz Linux is a rock-solid Linux based on Kubuntu, which autodetects more modern hardware. It will run as a LIVE-CD on practically any computer. It is ideal for your common business needs - or simply for safe surfing and mailing in an internet cafe. It installs to your hard drive in just a few minutes and is ideal for use on your desktop workstation or notebook. Start to work whith Linux whithin an hour and save lots and lots of money.
Dell IdeaStorm, the customer feedback website launched last week, saw a large number of people asking to have Linux pre-installed on the computers they buy from the Texas-based manufacturer. In this article Dell offers an update on the company's effort to meet this and other popular requests. (spoiler: they are going to certify their business products with Novell and little else)
The nomination period is at an end, with nine candidates standing forth to be counted (a record). We are now in the campaigning period. The candidates are:
o Wouter Verhelst
o Aigars Mahinovs
o Gustavo Franco
o Sven Luther
o Sam Hocevar
o Steve McIntyre
o Rapha=EBl Hertzog
o Anthony Towns
o Simon Richter
In this article i describe some of the things to do immediately after installing ubuntu on your machine . Since most of the people reading this would be shifting from Windows to Linux with a system dual booting so i would focus more on making transition easy from Windows to Linux.
NVIDIA has stated over on NvNews that the next Linux display driver will introduce a new naming convention. With the 1.0-9XXX series coming to an end we once believed that NVIDIA would continue the series with the 2.0-XXXX driver. However, NVIDIA's Andy Ritger has stated that the series will continue with 100.XX.XX.
The basic set of GNOME panel apps ranges from the practical, such as clocks and system monitors, to the mildly amusing, but apparently too traditional to dispense with, such as Fish. However, in the last few years, an increasing number of GNOME applications are being designed to fit into the panel. Since many of these recent apps are interesting but too minor to rate a full-length review, here's a roundup of some that have caught my attention. Although all of them are in early release, each hints at new functionality and levels of customization that might soon be available on the desktop.
Sometimes I just get it plain old wrong. Yesterday's entry on using Google Apps as a risk management decision, and then to consult your internal legal team. Then as one reader pointed out, the idea was sound, but then I advocated using Drupal and Linux on any old shared environment. So basically, I advocated against Google Apps, and then said to do the same thing that Google Apps do, which is provide a shared collaborative environment that the company does not control by buying some 5 dollar a month hosting company. The reader was dead right, and I was dead wrong. Here's why.
It’s easy to criticize the humble newspaper as being outmoded, out of style and out of business options. What’s far more difficult is to imagine how newspapers can take their goodness — the award-winning investigative reports, the service journalism, the knowledge of the community — and combine that with new technology and the Internet to reach and interact with an enlightened, empowered audience.
This year’s Python Convention, being held this weekend in Dallas Texas, started off with an inspiring presentation by an engineer from the One Laptop Per Child (OLPC) project (Ivan Krstić) , showing off the hardware features of the new “OLPC XO 1” prototype, as well as some “dangerous ideas” about its software design: a large part of the user space code for the laptops will be implemented in Python, mainly because of the ease of manipulating the source code. The OLPC laptop software will be 100% free software, not just in principle, but in spirit as well—the assumption of open source design is literally built into the hardware.
Computer users wanting to run Vista on Mac OS or Linux will have to buy an expensive version of Vista if they want to legally install it on their systems using virtualization technology.
In this article we will be looking at the impact of CONFIG_NO_HZ/Dynamic Ticks, which will be found in the Linux 2.6.21 kernel. The option has been available as a patch for quite a while, but not until Linux 2.6.21-rc1 had it been merged into the upstream kernel. When enabled, there will only be timer ticks when they are needed. The end-user benefit is cooler-running processors and increased power savings. We have investigated this change with a notebook and desktop computer.
In the current business environment, it is essential that databases, as well as other components of IT infrastructure, remain functional at all times. Downtime of databases is increasingly expensive to companies, and the industry is searching for ways to avoid planned or unplanned downtime. Hosting organizations widely depend on commercial high-availability suites, such as Veritas Cluster Server or Sun Cluster, that provide robust, very customizable, and flexible failover capabilities to a wide range of applications. However, these solutions also carry a significant price tag.
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