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This tutorial will explain how to Add,Modify and Delete Users,Groups in Ubuntu.Linux users can login to the system and use with the provided previliges. Linux groups are a mechanism to manage a collection of computer system users. All Linux users have a user ID and a group ID and a unique numerical identification number called a userid (UID) and a groupid (GID) respectively. Groups can be assigned to logically tie users together for a common security, privilege and access purpose.

Dell announced a miniature PC using single- or dual-core AMD processors, available with Ubuntu Linux. Starting at approximately $230, the Inspiron Zino HD sports up to 8GB of RAM and a 1TB hard drive, comes in ten colors, and is available with discrete graphics, says Dell.

Google is just not getting enough. After its own browser and a Linux-based operating system, it's now coming up with its own programming language. Behind its development lurk some of the legends in UNIX history.

Apple has filed a patent application for an intrusive ad-presentation system that requires users to acknowledge adverts before getting on with their work. The recent patent filing carries the unusually straightforward title "Advertisement in Operating System." The described system would be buried deep in a device's OS - so deep that, in the words of the filing, "the advertisement presentation can in effect 'take over the system' in relevant aspects for a limited time."

OpenSuse 11.2 is out, it is the first time that Firebird is in the official OpenSuse repositories, after Mandriva, Debian, Ubuntu, Fedora (and RHEL/Centos Fedora project repositories all the major free distributions now have the latest stable Firebird version (V2.1.3) available in their official repositories.

In this third and final installment of how to survey the airwaves with Linux tools, Eric Geier shows us more tools for network surveying and discovery, deep snooping, and intrusion detection and alerting.

The British Open University took upon itself in 2005, together with the William and Flora Hewlett Foundation, the task of bringing online learning into the future. Unusual is that it didn't decide on Moodle for merely financial reasons or that it didn't go for professional support.

Tech Data, Synnex, Red Hat, Novell and the Open Source Channel Alliance continue to promote open source applications to VARs and solutions providers. But are open source VARs really ready for prime time? Yes and no. Here’s why.

Today’s release of the list of the top 500 supercomputers shows that well over 90% are running Linux. Also,...

When Ladislav asked me last week if I'd like to review the new release of openSUSE I jumped at the opportunity. After looking at much improved releases by Ubuntu and Mandriva over the past two weeks I had very high expectations for Novell's community distribution. The upstream problems with common Intel video and audio drivers, which created so much grief in releases from earlier in the year, seem to be solved. In my work I support Novell's enterprise operating system offerings, including both SUSE Linux Enterprise Server and Novell NetWare. The releases of Mandriva 2010 and Ubuntu 9.10 both installed smoothly and work nearly flawlessly on my hardware. I had no reason to expect anything less than that from openSUSE.

Last year Russia announced an ambitious plan to use free software for all its schools. Now, it seems, things aren't going so smoothly. Funds have been cut back, faulty discs containing free software were sent out - and Microsoft is offering special deals on Windows XP...

In one of my earlier postings I did a compare and contrast of the various different features Cedega and Codeweavers offer. Today I am going to try leave my opinions aside and stick strictly to the numbers. Source Engine games are some of the most popular played today so I feel it is only fitting I use them to test the Wine software we have today.

Today I’d like to take a look at a newly released distribution, Mandriva 2010. In the past I’ve found it to be a well accomplished and easy to use desktop distro, even if the last release wasn’t quite as stellar as I’d hoped. How would this version stack up? Let’s find out.

The ability to log important events or errors for problem diagnosis and then checking of application execution is very important. The ability to log certain statements selectively while others are not logged, depending on the context in which the application is running, is also important. An application that is deployed in Apache Geronimo can use any custom logging mechanism to log its messages. However, Apache Geronimo uses log4j and slf4j for logging server log messages. Applications deployed in Geronimo can also leverage the functionality of these logging frameworks.

Increasing raw throughput over its predecessor by a factor of ten, the new Sun Constellation supercomputer was officially launched today.

Mark Cuban, the Dallas Mavericks owner has a plan to kill Google by paying the top 1K sites a cool million each to leave the Google index and move to Microsoft, but could such a plan ever work and would it be worth the risk to abandon Google?

It is time for a new q4wine release tagged as version 0.114, this new release includes new Italian translation and translations updates for Spanish, Ukrainian and Portuguese (Brazil) locales. I'd like to introduce at this time the new Wine Registry readwrite engine, which allows reading existing Wine configuration keys during the Fake Drive update process. Also I added some more wine configuration options in the Fake Drive Wizard dialog.

Kiwi vendor's asked to log their capability to support free software on the desktop

About a week ago, we wrote about gaining some space on your Linux Desktop (but the tutorial was focused on Ubuntu) by removing the titlebar of maximized applications - which can be achieved either with Maximus or Compiz. But at the time, we only provided some keyboard shortcuts to handle these windows. Read on to find out another way to do this and also how to use DockBarX for some even more optimization.

The FreeNAS developers have announced the availability of version 0.7 of FreeNAS (code named Khasadar), a FreeBSD-based Network-attached storage (NAS) UNIX-like server operating system. FreeNAS includes a full Web configuration graphical user interface (GUI) and supports the FTP, NFS, CIFS (Samba), AFP, rsync and iSCSI protocols and software RAID (0,1,5).