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This guide explains how to install the RoundCube webmail application on a Debian Wheezy server running ISPConfig and nginx, and how to enable the ISPConfig 3 plugins for RoundCube so that users can perform actions like changing their email passwords from within RoundCube. Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface; it comes with functions like MIME support, address book, folder manipulation, message searching and spell checking.

Today in Open Source: What would happen to Linux without Ubuntu? Plus: How to make a custom Linux distribution, and a first look at Semplice Linux 5

The Sphirewall team is pleased to announce today the release of version 0.9.9.7, the latest version of the Sphirewall open source firewall. Along with this release we also announce the availability of our S3 Network Appliance.

This tutorial shows how to set up a high-availability storage with two storage servers (Debian Wheezy) that use GlusterFS. Each storage server will be a mirror of the other storage server, and files will be replicated automatically across both storage servers. The client system (Debian Wheezy as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

An Opinion Piece on how to Tackle Microsoft's Monopoly around the World!

Kwheezy combines Debian 7.1 and KDE 4.8.4 into a distro that is easier to install than vanilla Debian. It also comes with lots and lots of desktop Linux software applications.

Knoppix is one of the oldest distributions, yet it is as relevant today as it was when it was first released.

A couple of weeks ago I approached Klaus Knopper (Founder of Knoppix) via email asking whether he would be interesting in answering a few questions about the Knoppix project.

Version 1.2 is now available from the download page. This release has three main focuses. Stabilizing the installer, Linux gaming and removing the deb-multimedia.org third-party repository. Changes in version 1.2: incorporates a couple of remaining installer bug fixes; Kwheezy Profiler, a new GUI tool to backup and restore user profiles; rekonq browser updated to 2.3.2; Steam client installed by default; PlayOnLinux installed by default; some open-source games (KDE Games, DreamChess) included; deb-multimedia.org packages replaced by official Debian packages, the necessary codecs / decoders included from Kwheezy repository instead; some minor tweaking here and there; version 1.1 installations can be upgraded to 1.2 via Apper or apt-get.

The (Amnesic) Incognito Live System is a Debian-based live CD/USB with the goal of providing complete Internet anonymity for the user. The product ships with several Internet applications, including web browser, IRC client, mail client and instant messenger, all pre-configured with security in mind and with all traffic anonymised. To achieve this, Incognito uses the Tor network to make Internet traffic very hard to trace.

A live CD or live DVD is a complete bootable Linux operating system loaded from a CD or DVD. Although there are a lots of live Linux CDs, for seemingly every taste and purpose, it might still be useful on occasion to build your own. This guide details the steps to build a bootable live CD/DVD based on Debian “wheezy”.

First you might want to get the “minimize, maximize and close” windows-buttons which aren’t default in Debian 7–only the close window-button is there. From the desktop go to Activities menu to the top left and select Programs >System Tools and the “dconf-editor.” There are a lot of menus here to open so look carefully. Click Org >Gnome >Shell >Overrides. To your left you’ll find the “button layout” row. Type “:minimize,maximize,close” without quotation marks and then hit enter.

Ubuntu developers are presently deciding what to do with support for the ReiserFS file-system, up to and including dropping kernel support for the aging but stable file-system.

It was discovered that exactimage, a fast image processing library, does not correctly handle error conditions of the embedded copy of dcraw. This could result in a crash or other behaviour in an application using the library due to an uninitialized variable being passed to longjmp.

The right Linux server for your business just might be the one that offers your staff the level of support they need.

This article describes how to run desktop applications such as Mozilla Firefox and LibreOffice in Linux containers virtual machines. LXC is a lightweight virtualization technology built into Linux kernel.The virtual machines run in parallel alongside the regular host applications, without affecting the host system.

Today in Open Source: Tips for switching from Windows to Linux. Plus: Open Source drones, and a review of Parsix 5.0

Linux containers (LXC) is a lightweight virtualization technology built into Linux kernel. In my previous article, I have detailed the steps to configure and run a simple application container using LXC. LXC application containers are very lean and consume strictly the resources the application requires. This is in sharp contrast with other virtualization technologies which are running a full Linux distribution in VM.

Debian GNU/Linux now celebrates 20 years. This Linux distribution traveled a long way and no shortcuts were taken to produce this extremely stable and robust operating system. The proof of the previous statement is the amount of spin-offs produced based on Debian GNU/Linux, which is currently estimated to flow over 140 mark. This number also includes the well known Ubuntu Linux which is still closely connected to the enormous Debian package repository.

This tutorial shows how you can install and run ProcessWire on a Debian Wheezy or Ubuntu 13.04 system that has nginx installed instead of Apache (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP). nginx is a HTTP server that uses much less resources than Apache and delivers pages a lot of faster, especially static files.

Every Linux distribution is different in terms of how software is installed. Linux distributions use different installation file types, package managers, and commands for installation. Even within a single form of Linux, there are different types of package managers. This article will explain how to install software on Debian-type Linux system and how to use a few of the different Debian package managers and installers as well as some useful information about Debian files and repositories.

This tutorial shows how you can install and run CS-Cart on a Debian Wheezy or Ubuntu 13.04 system that has nginx installed instead of Apache (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP). nginx is a HTTP server that uses much less resources than Apache and delivers pages a lot of faster, especially static files.

As I was diving back into Window Maker for this article, it occurred to me that the desktop manager I used for years with Debian is disturbingly similar to the Unity Desktop. It's been clear since its inception that I am not a fan of Ubuntu's new Unity interface, yet it's odd that for years I loved Window Maker, which seems fairly similar, at least visually.

August, 15th 2013 was Debian’s 20th anniversary. The Debian Project is a massive community-driven open-source project devoted to a single goal: build a free Linux operating system. While many folks regularly use Debian operating system as end-users, system admins or developers, you may not know the interesting history and facts behind Debian itself. Below are a list of things that you may not know about Debian GNU/Linux.

Well, another year has passed and Debian GNU/Linux is getting older and older, as it turns exactly 20 years old, today, on August 16, 2013.

Several vulnerabilities have been discovered in Swift, the Openstack object storage. The Common Vulnerabilities and Exposures project has identified the following listed problems.

This HowTo is about how to install the openQRM Datacenter Management and Cloud Computing platform version 5.1 on Debian 7 aka Wheezy. It is the starting point for a set of openQRM HowTos explaining different Use-cases with the focus on virtualization, automation and cloud computing.

Asking yourself howto merge and enhance your internal IT with public- and/or private Cloud resources such as Amazon EC2 or Eucalyptus Instances? Please find the answer in the following detailed openQRM Use-Case with focus on Amazon EC2 Public Cloud.

Several vulnerabilities where discovered in PuTTY, a Telnet/SSH client for X. The Common Vulnerabilities and Exposures project identifies the following listed problems.

Linux containers (LXC) is a lightweight virtualization technology built into Linux kernel. Unlike other similar technologies, the virtual machines (VM) are driven without any overhead by the kernel already running on the computer. In VM you run only the processes you need, most of the time without even going through the regular SysV or Linux init. This means that memory is used very conservatively.

A new howto about 'Virtualization with KVM and openQRM 5.1 on Debian Wheezy' is available

This HowTo is about how to install the openQRM Datacenter Management and Cloud Computing platform version 5.1 on Debian 7 aka Wheezy. It is the starting point for a set of openQRM HowTos explaining different Use-cases with the focus on virtualization, automation and cloud computing.

For those concerned more about code licenses and the free nature of software over the quality, richness, and features of a Linux distribution, gNewSense 3.0 is now available. The gNewSense 3.0 release now supports three architectures and has switched from an Ubuntu base to now using Debain Linux.

Your answers also showed us just how diverse the readership here is. Not only did we see a lot of you offering up the usual suspects, such as Debian, Ubuntu, Mint and Fedora, we also got reminders of Linux’s rich history. It was somewhat gratifying to discover that some who visit here first tried Linux using long gone but not forgotten distros such as Yggdrasil and Soft Landing System.

Through the new Project Neon initiative, daily builds of the next-generation KDE stack -- KDE Frameworks 5 -- can be easily installed via Debian packages for Kubuntu.

In this article we will discuss 3 of the most popular command line music players (cmus, mp3blaster and moc) available on Linux.

Several vulnerabilities have been discovered in OpenJDK, an implementation of the Oracle Java platform, resulting in the execution of arbitrary code, breakouts of the Java sandbox, information disclosure or denial of service.

A buffer overflow has been discovered in the Radius extension for PHP. The function handling Vendor Specific Attributes assumed that the attributes given would always be of valid length. An attacker could use this assumption to trigger a buffer overflow.

EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. It is a pass-through filesystem, not an encrypted block device, which means it is created on top of an existing filesystem. This tutorial shows how you can use EncFS on Debian Wheezy to encrypt your data.

Version 3 of the Scarygliders X11RDP-o-Matic has now been officially released.

Today in Open Source: Dota 2 is now available for Steam on Linux. Plus: Wine 1.6 released, and how to install Unity alternatives in Ubuntu.

An interview with the maintainers of the Xen packages for Debian: Bastian Blank and Guido Trotter.

On the Unix portion of this digital magazine, Debian "Wheezy" is reviewed.

The results have been tallied and Debian got the most votes in our Community Distro Poll. We would call them the “winner,” but this wasn’t about winners and losers. It was about trying to reach a consensus on what we mean by the term “community distro.”

Datamation has great list of free, fun open source apps and games. If you're looking for some software, check out this list.

Unison is a free, cross platform file synchronization tool that enables us to keep two set of file replicas (instances) on two different systems or on different disks of the same system. Unlike simple mirroring or backup utilities, it updates both replicas of a distributed directory structure. It detects and displays the conflicting updates. Unlike a distributed filesystem, Unison is a user-level program; there is no need to modify the kernel or to have root user privileges on either host

Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on a Debian Wheezy server with PHP5 support (through PHP-FPM) and MySQL support. PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites. I use PHP-FPM in this tutorial instead of Lighttpd's spawn-fcgi.

The poll asked the question, “If your hosting company offered a choice of the following operating systems, which would you choose?” Those taking the poll could choose from CentOS, Debian, Fedora, Scientific Linux, openSUSE and Ubuntu.

This tutorial shows you how to remove the Debian signature/version info from packages such as Apache, Postfix or SSH. There are various reasons to remove the signature (and therefore hide that you are using Debian/a specific version). The most important one is about security. When a hacker knows the distro you are using, he can search for well-known security issues and start an attack against them. If he doesn't know the distro in use, chances to not find any security holes are much larger.

A friend of yours tells you one day he’s heard so much about Linux and he’s decided to install it on his Windows machine. His computer is already a few years old, a Windows 7 or maybe a Windows XP, and he’s come to you for advice. Could you please help him to install it? No problem, happy to oblige!

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, ClamAV, and SquirrelMail.