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System logging explained in Linux

  • (Posted by dsTst on Jul 18, 2007 12:47 PM EDT)
  • Story Type: Tutorial; Groups: Linux
In linux, a variety of log files are maintained. And its understanding is often vital for troubleshooting system problems. This article explains the different log files maintained in Linux and how to make good use of them.

Installing The PHP-MemCache Module On CentOS 5.0

  • HowtoForge; By Tim Haselaars (Posted by falko on Jul 18, 2007 12:00 PM EDT)
  • Story Type: Tutorial; Groups: PHP, Red Hat
MemCached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. In this article I explain how you can very easily install it and make it avaible in PHP.

Web 2.0 shows its data muscle

Mashups are, of course, the "new black" in the world of web services, but building them does mean getting access to data on different databases and services - and that can sometimes be a bit of a problem. So a web server that is aimed at making that task a great deal easier may be worth a look. That is one of the main claims being made for Version 2 of Sri Lanka-based WSO2's Web Services Application Server (WSAS). The company claims it is the first to feature data services that easily tap relational databases for mashups, together with Eclipse integration to let developers work directly in the IDE, and the first clustering available on a web services server.

Oracle signs Symantec to ULN

Oracle's Unbreakable Linux Network (ULN) has landed its third big partner since a launch nine months ago that had Wall St predicting Red Hat's impending death. The market's number-one database vendor announced on Tuesday that Symantec has certified its datacenter software with Oracle's Enterprise Linux alternative to Red Hat. Symantec follows in the footsteps of EMC and Hitachi Data Systems.

The Back-to-Basic Tech Guide | What is Virtualization?

Welcome to The Red Hat Back-To-Basic Tech Guide. With the recent buzz in the marketplace around the term "Virtualization", you may be wondering what Virtualization really is. Why is Virtualization so critical to the success of companies? To help you appreciate Virtualization better, we have developed this back-to-basic guide that will give you a better view of this technology in order for you to turn buzz-word into an effective and efficient way to manage and grow your business, virtually anywhere!

Xandros bundles NoMachine thin-client server

Linux distributor Xandros along with NoMachine, maker of NX virtualization desktop, remote access and server management software, will announce on July 18 that NoMachine's NX Enterprise Server will start shipping immediately with Xandros Server 2.0.

Xandros acquires open-source e-mail vendor Scalix

Xandros CEO Andy Typaldos told July 9 that his Ottawa-based Linux desktop and server company has acquired privately owned open-source e-mail and calendaring provider Scalix under terms that were undisclosed.

Linux: Looking Toward 2.4.35

The 2.4 stable kernel tree has been maintained by Willy Tarreau for a year, since July of 2006. When recently asked if the tree had been abandoned, Willy replied,"no it's not abandoned at all! The difficulty with 2.4 is to get user feedback on patches. While in 2.6, there are hundreds or thousands of testers for every release, in 2.4, I have to wait longer after every release in order to start collecting problem reports, or confirmation of fixes. People using it in production generally cannot reboot a machine in the evening just to try a patch. Also, subsystem maintainers have less time to spend on it and are themselves slowed down by the slow feedback process."

Will Vista cause a switch to Macs, Linux?

The cost of upgrading to Windows Vista is forcing more organizations to evaluate alternatives including Apple Macs and Linux for the desktop.

Sabayon Linux business desktop goes gold

The Italy-based Sabayon Linux project has released version 1.0 of the new enterprise-oriented edition of its desktop operating system. Sabayon Business Edition Linux 1.0 features a 2.6.22 Linux kernel and both KDE and GNOME desktop environments, along with a comprehensive set of application software.

Simple SVN: Just enough to get started.

Unless you have been living in an underground bunker, you have probably heard of Version Control, and possibly even Subversion (SVN). If you want to get the latest source code to compile it yourself, contribute to an open source project, keep track of files and documents, or work on the same document tree with a team of people, then you will need to use SVN.

App restores Linux desktops to pristine state

Deep Freeze system consistency software, popular in Windows and Mac settings, is now available for Linux desktops. "Deep Freeze Linux" is said to reset a Linux workstation's boot process to a pristine state, enabling successive users to avoid misconfiguration by previous users of the computer.

Oracle and Symantec Certify Veritas Data Center Solutions on Oracle(R) Enterprise Linux

In response to growing customer demand for the Oracle(R) Unbreakable Linux support program, Oracle and Symantec today announced certification of Veritas data center software with Oracle Enterprise Linux. The certification will help organizations running Symantec on Linux reduce deployment time and implementation costs.

Linux: CFS And Nice

The recently merged Completely Fair Scheduler changes how the Linux kernel handles scheduling priorities set with the nice command. Ingo Molnar explained that each level of nice adds or substracts 10% of CPU utilization,..

Ubuntu Studio Screenshots Tour

  • (Posted by gg234 on Jul 18, 2007 1:42 AM EDT)
  • Story Type: Reviews; Groups: Ubuntu
Ubuntu Studio is a multimedia editing/creation flavour of Ubuntu. It’s built for the GNU/Linux audio, video, and graphic enthusiast or professional.Ubuntu Studio is an unofficial derivative of the Ubuntu open source perating system, based on Ubuntu, which is explicitly geared to general multimedia production. This screenshots tour includes internet, multimedia,graphics,system applications,network application and other applications.

The Best Game in Town

In October 2006, Terra Soft announced its plan to build the world's first supercomputing cluster using the Sony PlayStation 3 (PS3), which utilizes the IBM Cell Broadband Engine and the Linux operating system. The idea emerged when Sony Computer Entertainment came knocking on Terra Soft's door, interested in showing that the PS3 is more than merely a game box. After building a 3,000-sq-ft supercomputing facility, located at Terra Soft's headquarters, and adding a heavy dose of good old-fashioned tinkering, the cluster is well underway.

Parsing arguments for your shell script

  •; By Carl Albing, JP Vossen, and Cameron Newham (Posted by Scott_Ruecker on Jul 18, 2007 12:07 AM EDT)
  • Story Type: News Story; Groups: Linux
Suppose you want to have some options on your bash shell script, some flags that you can use to alter its behavior. You could do the parsing directly, using ${#} to tell you how many arguments have been supplied, and testing ${1:0:1} to test the first character of the first argument to see if it is a minus sign. You would need some if/then or case logic to identify which option it is and whether it takes an argument. What if the user doesn't supply a required argument? What if the user calls your script with two options combined (e.g., -ab)? Will you also parse for that? The need to parse options for a shell script is a common situation. Lots of scripts have options. Isn't there a more standard way to do this?

SolutionBase: Configure a Samba server in Linux with SuSE's YaST

  •; By Jack Wallen (Posted by NoDough on Jul 17, 2007 11:20 PM EDT)
  • Story Type: Tutorial; Groups: SUSE
Even if Windows rules the desktop in your organization, you can still use Linux as a file server in the background. All it takes is installing Samba. Rather than fighting with samba.conf text files, Jack Wallen shows how to get the job done with the YaST installer in SuSe Linux.

Menhir, the distribution of four free operating systems, is started

If you look at the Free Software scene you see that most if not all projects - at the operating system level and at the application level - and magazines, blogs and newspapers concentrate on GNU/Linux. Also you can note that most people start with a Linux distribution and then lock himself in the GNU/Linux world. This is very unfortunate as the other free Unix-like operating systems bring with them great development and usage culture. The one missing bit at their side is popularity. So Menhir is going to reach the above vision by building a strong, open and helpful community to cultivate and distribute the knowledge about all four, free operating systems.

One openSource interviews Linus Torvalds

Orazio Tassone from One Open Source—an italian open source hub— interviews Linus Torvalds, grandfather of the Linux kernel. Orazio asks Linus about the GPLv3, Microsoft and it's patent deals with Novell, the Dell and Ubuntu cooperation, Google and much more.

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